S-BT Screw-in threaded studs HILTI S-BT SCREW-IN THREADED STUDS Hilti S-BT Specifications December 2020
Content Page 1. Introduction 1.1 Definition 5 1.2 The S-BT system 5 1.2.1 S-BT fastener and designation 5 1.2.2 Drilling tool 6 1.2.3 Stepped drill bit 6 1.2.4 Installation tool 7 1.2.5 S-DG depth gauge with a S-CC calibration card 7 1.2.6 Installation temperature and service temperature 8 1.3 Fastening mechanism 8 1.4 S-BT system features and benefits – simplified fastening to steel 9 2. Applications 2.1 Grating fastening system X-FCM and X-FCM NG 10 2.
S-BT Screw-in threaded studs Content Page 3.2.5 Recommended loads S-BT with Hilti coupler RC-MF and RC-MR 30 3.2.6 Design loads S-BT with Hilti coupler RC-MF and RC-MR 30 3.2.7 Recommended interaction formula for combined loading – steel and aluminum base materials 31 3.2.8 Base material thickness tII and type of bore hole 31 3.2.9 Thickness of fastened material tI 32 3.2.10 Spacing and edge distances 33 3.2.11 Installation temperature and service temperature 33 3.2.
Content 5.3 Page Static capacity of the S-BT threaded stud 64 5.3.1 Tensile load deformation behavior of S-BT threaded stud fastenings 64 5.3.2 Pull out strength of S-BT threaded stud fastenings 65 5.3.3 Shear strength of S-BT threaded stud fastenings 66 5.4 S-BT in stainless steel base material 67 5.5 Vibration effects on S-BT threaded stud fastenings 68 5.6 Resistance of S-BT fastenings under dynamic tensile loading 69 5.
S-BT Screw-in threaded studs 1 1.1 INTRODUCTION Definition The S-BT fasteners are threaded studs manufactured from hardened carbon steel 1038 and austenitic-ferritic (Duplex) stainless steel 1.4462 acc. DIN-EN 10088-1 (AISI 316 and 318LN equivalent). The S-BT threaded studs are fasteners with male threads (metric M8 and M10 or inch W10) for attachment on one end and a threaded tip on the other end for embedment into the structural steel or aluminum.
S BT M, G, E R, F NG MT M8, M10, W10 15, 7 HC SN, AN 6 AL 1.2.2 SBT 4-A22 drilling / setting tool Shiny ring around the bore hole Drilling tool Designation Item Description Application SBT 4-A22 UCD tool Drilling / Setting SF BT 22-A (B22/2.6 or 5.2Ah) UCD tool Drilling SF BT 18-A (B18/2.6 or 5.2Ah) UCD tool Drilling Regarding the drilling time and the bore hole quality, a special tool with optimized revolutions per minute is needed.
PP õ PP 1.2.4 Installation tool Designation Item Description SBT 4-A22 UCD tool SF 4-A22 UCD tool SFC 22-A (B22/2.6 or 5.2Ah) UCD tool SFC 18-A (B18/2.6 or 5.
1.2.6 [ [ The installation temperature is the temperature at which the S-BT studs are installed. A distinction is made between the temperature of the base material and the temperature of the S-BT studs, drilling and installation tools and accessories. The installation temperature range can be found in the table below. Installation temperature and service temperature PP The service temperature is the temperature at which the S-BT studs operate.
S-BT Screw-in threaded studs 1.4 S-BT system features and benefits – simplified fastening to steel No rework: Stud welding or through-bolting, for example, may require reworking of the protective surface coating. With the S-BT system, the stud is set into a small pre-drilled hole. In case of a pilot hole the drill entry point is then completely sealed by the stud washer during setting. If the real base material thickness tII exceeds 6 mm [0.
2 APPLICATIONS 2.1 Grating fastening system X-FCM and X-FCM NG X-FCM, X-FCM-M, X-FCM-M_L and X-FCM-M NG grating discs for use with S-BT-GF (NG) M8/7 or S-BT-GR (NG) M8/7 X-FCM-R and X-FCM-R NG grating discs (stainless steel) for use with S-BT-GR (NG) M8/7 A fastening system designed for attaching metal or fiber-glass grating to coated steel. 1.25 [0.049"] L 16 [0.630"] HG L 2 L + 4 [0.157"] 3 o 18 [0.709"] 19.5 [0.768"] 1 [1.969"] 8.6 [0.
S-BT Screw-in threaded studs X-SEA-R 30 M8 extension adaptor For use with X-FCM-R and X-FCM-R NG grating fasteners for fastening of grating with a height in excess of 50 mm [1.97"]. ੋ 0 Fastener Selection X-FCM Designation L [mm/in.] Grating height HG, range [mm/in.] Grating height with X-SEA-R 30 M8 [mm/in.] X-FCM-R 25/30 23/0.91 25–30/0.98–1.18 55–60/2.16–2.36 X-FCM-R 1"–1¼" 27/1.06 29–34/1.14–1.34 59–64/2.32–2.52 X-FCM-R 35/40 33/1.30 35–40/1.38–1.57 65–70/2.56–2.
Fastener Selection X-FCM NG Designation L [mm/in.] Grating height HG, range [mm/in.] Grating height with X-SEA-R 30 M8 [mm/in.] X-FCM-R NG 28/33 23/0.91 28–33/1.10–1.30 58–63/2.28–2.48 X-FCM-R NG 32/37 27/1.06 32–37/1.26–1.46 62–67/2.44–2.64 X-FCM-R NG 38/43 33/1.30 38–43/1.50–1.69 68–73/2.68–2.87 X-FCM-R NG 48/53 43/1.69 48–53/1.89–2.09 78–83/3.07–3.27 X-FCM-M NG 28/33 23/0.91 28–33/1.10–1.30 X-FCM-M NG 32/37 27/1.06 32–37/1.26–1.46 X-FCM-M NG 38/43 33/1.30 38–43/1.50–1.
S-BT Screw-in threaded studs 2.2 Grating fastening system X-FCS-R X-FCS-R grating fastener for use with S-BT-GR M8/7 The X-FCS-R system is a fastening system for grating fastening with tensile and shear resistance capability (shear relevant zones). 30 38 8 2 H 22 22 22 22 38 2 H 8 X-FCS-R-3-25 grating fastener w t h t X-FCS-R-4-25 grating fastener X-FCS-R-3-25 for rectangular gratings X-FCS-R-4-25 grating fastener Fastener selection Designation Fastener height H [mm/in.
2.3 S-BT with MM and MQ installation channel system MM channel system for use with S-BT-MF MQ channel system for use with S-BT-MF or S-BT-MR Installation instructions 1 2.0 ! 2.1 ! Mark location of each fastening. 3 Pre-drill with TS-BT stepped drill bit. Pre-drill until shoulder grinds a shiny ring. The drilled hole and the area around drilled hole must be clean and free from liquids and debris. 4 CLICK 1 2 Trec 3 Screw-in S-BT studs into drilled hole.
S-BT Screw-in threaded studs 2.4 Fastening instrumentation, junction boxes and lighting S-BT screw-in threaded studs for attaching instrumentation, junction boxes and lighting to coated steel. Installation instructions 1 2.0 ! 2.1 ! Mark location of each fastening. 3 Pre-drill with TS-BT stepped drill bit. 4 CLICK Pre-drill until shoulder grinds a shiny ring. The drilled hole and the area around drilled hole must be clean and free from liquids and debris.
2.5 S-BT with Hilti standoff adapter: Fastening instrumentation, junction boxes, lighting, installation channel systems etc. 2.5.1 Fastening to steel with a passive fire protection (PFP) coating Installation instructions 1 2 ! 3 ! Mark location of each fastening. 4 Remove PFP and pre-drill with TS-BT 31-74 PFP stepped drill bit… …until shoulder grinds a shiny ring. The area must be clean and free from liquids and debris.
S-BT Screw-in threaded studs 2.5.2 Fastening to insulated steel members e.g. insulated bulkheads Installation instructions 1 ! 2.1 2.0 ! Mark location of each fastening. 3 Pre-drill with TS-BT stepped drill bit. Pre-drill until shoulder grinds a shiny ring. The drilled hole and the area around drilled hole must be clean and free from liquids and debris. 4 Trec Trec Screw-in S-BT studs into drilled hole.
2.6 Fastening cable / conduit connectors Stainless steel and carbon steel S-BT screw-in threaded studs for fastening cable and conduit connectors (T-bars) to coated steel. Installation instructions 1 2.0 ! 2.1 ! Pre-drill with TS-BT stepped drill bit. Mark location of each fastening. 4 3 Screw-in S-BT studs into drilled hole. 2.7 Screw on the connector and hand tighten. Pre-drill until shoulder grinds a shiny ring.
S-BT Screw-in threaded studs 2.8 Electrical connections Stainless steel S-BT-ER Carbon steel S-BT-EF Threaded shank ① Stainless steel S31803, ② Carbon steel 1038 AISI 318LN, (1.4462) duplex-coated zinc-coated Washer ③ SN 12-R Ø 12 mm [0.47"] Stainless steel ④ AN 10-F Ø 10 mm [0.39"] Aluminum Nut ⑤ Stainless steel grade A4 AISI 316 material ⑥ Carbon steel HDG Lock Washer ⑦ Stainless steel grade A4 AISI 316 material ⑧ Carbon steel HDG Conductivity discs ⑨ Ø 32 mm [1.
2.8.1 Functional bonding and terminal connection in a circuit For permanent current (leakage current) due to static charge built up in pipes or when closing an electrical circuit.
S-BT Screw-in threaded studs 2.8.2 Protective bonding circuit For discharging short circuit current while protecting electrical equipment or earth / ground cable trays and ladders.
Double point connection: Recommended electrical connectors: Max. short circuit cur- Connection rent according to IEC configuration: Type A connection: S-BT-ER M10/15 SN 6 S-BT-ER W10/15 SN 6 S-BT-EF M10/15 AN 6 S-BT-EF W10/15 AN 6 S-BT-ER M8/15 SN 6 S-BT-EF M8/15 AN 6 Icw = 1.92 kA (IEC) Note: • Recommended maximal cross section of connected cable according IEC 60947-7-2 and IEC 60947-7-1: 16 mm² (6 AWG) copper (tested short circuit current Icw = 1.
S-BT Screw-in threaded studs 3 TECHNICAL DATA 3.1 Product data 3.1.1 S-BT material specifications and dimensions Stainless steel S-BT-MR S-BT-GR Carbon steel S-BT-MF S-BT-GF ① Stainless steel (X2CrNiMoN22-5-3) S31803, (1.4462) zinc-coated ② Carbon steel Washer ③ SN 12-R Ø 12 mm [0.47"] Stainless steel (X2CrNiMo 17-12-2) S31603 (1.4404) ④ AN 10-F Ø 10 mm [0.
5 or 6 M10 W10 5 or 6 5 or 6 Ø21.8 [0.858”] Ø17.9 [0.705”] Ø21.8 [0.858”] Hilti Coupler material specifications and dimensions SW17 SW17 28 M8 Carbon steel (11SMnPb37+C) duplex-coated M10 Stainless steel (X5CrNiMo17-12-2) 1.4401-AISI 316 or (X2CrNiMo17-12-2) 1.4404-AISI 316L M8 RC-MF-M8 RC-MR-M8 Carbon steel MF M8, MF M10 Ø14.5 Hilti Coupler Stainless steel MR M8, MR M10 Ø16.5 3.1.2 SW9/16” max. 10 [0.394”] Serrated flange nut SW15 max. 10 [0.394”] M8 max. 8 [0.
S-BT Screw-in threaded studs AF19 1 or 2 M8 Serrated flange nut 5 or 6 Ø17.9 [0.705”] 3.1.4 M10/W10 71 [2.80"] SW15 M10 SW9/16” W10 max. 10 [0.394”] SW13 max. 8 [0.315”] 50 [2"] max. 10 [0.394”] M10/W10 14 [0.55"] Adapter M10-MR 50 Adapter M10-MF 50 Adapter W10-MR 50 Adapter W10-MF 50 5 or 6 5 or 6 Ø21.8 [0.858”] Ø21.8 [0.858”] Drilling tool, setting tool, accessories and inserts For more details refer to section 3.2.
N M V 3.2 Load data 3.2.1 Recommended loads S-BT-MR / S-BT-GR made of stainless steel Base material thickness Z1 V N 3 mm ≤ tII < 5 mm 0.12" ≤ tII < 0.20" Base material type Steel S235 A36 Aluminum Steel Steel Rm S355, S235 S420 ≥ 270 N/mm² A36 Grade 50 Tension, Nrec [kN/lb] 1.9 / 425 2.3 / 515 1.9 / 425 1.8 / 405 2.1 / 470 Shear, Vrec [kN/lb] For edge distance 6 mm [0.24"] ≤ c < 15 mm [0.59"] 2.5 / 560 2.8 / 625 2.9 / 650 2.4 / 540 2.
S-BT Screw-in threaded studs 3.2.2 Design loads N S-BT-MR / S-BT-GR made of stainless steel Base material thickness tII ≥ 5 mm tII ≥ 0.20" 3 mm ≤ tII < 5 mm 0.12" ≤ tII < 0.20" Base material type Steel S235 A36 Aluminum Steel Steel Rm S355, S235 S420 ≥ 270 N/mm² A36 Grade 50 Tension, NRd [kN/lb] Steel S355, S420 Grade 50 2.7 / 605 3.2 / 715 2.7 / 605 2.5 / 560 3.0 / 670 Shear, VRd [kN/lb] For edge distance 6 mm [0.24"] ≤ c < 15 mm [0.59"] 3.5 / 785 3.9 / 875 4.0 / 895 3.4 / 760 3.
3.2.3 Recommended loads S-BT with Hilti standoff adapter S-BT-MR / S-BT-MR MT / S-BT-GR with standoff adapter made of stainless steel N Base material thickness tII ≥ 5 mm [0.20"] tII = 4 mm [0.16"] tII = 3 mm [0.12"] Steel S235 A36 Steel S355, S420 Grade 50 Steel*) S235 A36 Steel*) S235 A36 Tension, Nrec [kN/lb] Standoff Adapter 25, 50, 75, 100 mm 1.89 / 425 2.27 / 510 1.79 / 400 1.79 / 400 Shear, Vrec [kN/lb] Standoff Adapter 25 mm 0.84 / 190 1.00 / 225 0.69 / 155 0.
S-BT Screw-in threaded studs 3.2.4 Design loads S-BT with Hilti standoff adapter S-BT-MR / S-BT-MR MT / S-BT-GR with standoff adapter made of stainless steel Base material thickness tII ≥ 5 mm [0.20"] tII = 4 mm [0.16"] tII = 3 mm [0.12"] Steel S235 A36 Steel S355, S420 Grade 50 Steel*) S235 A36 Steel*) S235 A36 Tension, NRd [kN/lb] Standoff Adapter 25, 50, 75, 100 mm 2.65 / 595 3.18 / 715 2.50 / 560 2.50 / 560 Shear, VRd [kN/lb] Standoff Adapter 25 mm 1.17 / 260 1.41 / 315 0.96 / 215 0.
3.2.5 Recommended loads S-BT with Hilti coupler RC-MF and RC-MR S-BT-MR / S-BT-MR MT with coupler RC-MR 47/35 made of stainless steel N Base material thickness V tII ≥ 5 mm [0.20"] tII = 4 mm [0.16"] tII = 3 mm [0.12"] Base material type Steel*) S235 A36 Aluminium Steel*) Rm S235 2 ≥ 270 N/mm A36 Steel*) S235 A36 Tension, Nrec [kN/lb] 1.89 / 425 1.89 / 425 1.79 / 400 1.79 / 400 0.29 / 65 0.34 / 75 0.29 / 65 Shear, Vrec [kN/lb] for edge 0.34 / 75 distance c ≥ 15 mm [0.
S-BT Screw-in threaded studs Conditions for recommended loads and design loads: • The design resistance can be used for the design according the partial safety concept, e.g. EN 1993-1-1 (Eurocode 3). • Global factor of safety Ω resp. partial factor of safety γm (based on 5% fractile ultimate test value) Recommended loads Design loads static pull-out 2.80 2.00 static shear 2.80 2.00 • Minimum edge distance = 15 mm [0.59"], spacing ≥ 18 mm [0.709"] • Effect of base metal vibration and stress (e.g.
Corrosion information: The S-BT stainless steel fasteners are made from the duplex stainless steel type 1.4462, which is equivalent to AISI 316 and 318LN steel grade. This grade of stainless steel is classified in the corrosion resistance class IV according to DIN EN 1993-1-4:2015, which makes the material suitable for aggressive environments like in coastal and offshore applications. The microstructures of duplex stainless steels consist of a mixture of austenite and ferrite phases.
S-BT Screw-in threaded studs 3.2.10 Spacing and edge distances Edge distance: ≥ 6 mm [0.24"] ≥6 ≥ 18 [0.236"] [0.709"] ≥6 ≥ 18 [0.236" [0.709" ] ] ≥6 ≥ 22 [0.236"] [0.866"] ≥ 22 [0.866"] ≥ 5 mm [3/16"] ≥6 [0.236"] Spacing: ≥ 18 mm [0.709"] for all S-BT M8 ≥ 22 mm [0.866"] for all S-BT M10 and S-BT W10 3.2.11 Installation temperature and service temperature The installation temperature is the temperature at which the S-BT studs are installed.
3.2.12 Application limit and thickness of base material The base material is limited to steel grade with a maximum tensile strength fu = 630 MPa [91 ksi]. The minimum tensile strength of steel is fu ≥ 340 MPa [49 ksi]. The minimum tensile strength of aluminum is fu ≥ 270 MPa [39 ksi]. Minimum thickness of base material tII: refer to section 3.2.
S-BT Screw-in threaded studs 3.214 Fastener selection and system recommendation Drilling Tool S-BT-MR M8/7 SN 6 S-BT-MR M8/7 SN 6 AL TS-BT 5.5-74 AL S-BT-MR M8/15 SN 6 TS-BT 5.5-74 S S-BT-MR M8/15 SN 6 AL TS-BT 5.5-74 AL S-BT-ER M8/15 SN 6 TS-BT 5.5-74 S S-BT-GR M8/7 SN 6 TS-BT 5.5-74 S S-BT-GR M8/7 SN 6 AL TS-BT 5.5-74 AL S-BT-GR NG M8/7 SN 6 TS-BT 5.
3.2.15 Installation details: Fastening S-BT threaded studs with standoff adapter to steel with a passive fire protection (PFP) coating Locally exposed steel with shiny ring after PFP-removal operation ① Mark location for each fastening ② Remove PFP and predrill with TS-BT PFP stepped drill bit Usage of SBT 4-A22 until the bit shoulder exposes steel and the shoulder grinds a shiny ring to ensure a proper drilling depth. Result is a circle of exposed steel with Ø 7.
S-BT Screw-in threaded studs 3.2.16 Installation details S-BT fastener made of stainless steel with washer-Ø 12 mm (S-BT-_R) Fastened material hole Ø ≥ 13 mm [0.51"] S-BT fastener made of carbon steel with washer-Ø 10 mm (S-BT-_F) Fastened material hole Ø ≥ 11 mm [0.43"] Remark: for group fastenings subjected to shear loading the fastened material hole diameter should not exceed 14 mm [0.55"] (S-BT-_R) and 12 mm [0.47"] (S-BT-_F) respectively.
Tightening torque S-BT-ER and S-BT-EF (Electrical Connections): Tinst min. 8 Nm Tinst 8 Nm Single point connection type A and double point connection type A Hold the bottom nut with a spanner while tightening the upper nut. Tightening Torque: Min. 8 Nm Max. 20 Nm Single point connection type B The tightening torque is 8 Nm. Exceeding or falling below this tightening torque value is not allowed.
2141237 A5 04.08.2017 (210x297mm) S-BT Screw-in threaded studs 4 4.1 S-BT-MF M6/M8/M10 S-BT-MF W6/W10 METHOD STATEMENT Instruction for use – S-BT-MF M6, M8, M10, W6, W10 < 0,8 mm 0,03" 4 2141237 A5-08.
2148802 A3 04.08.2017 S-BT-MF M8/7 AN 6 Instruction for use – S-BT-MF M8/7 AN 6 < 0,8 mm 0,03" 2148802 A3-08.2017 5 SBT 4-A22 SFC 18/22-A ≥ 6 mm ¼" 1 4.2 GEAR #1 9a 7 < 0,8 mm 0,03" 9b 7 S-BT-MF M8/7 AN 6 (1-3) Hex nut with flange M8-F 10 6 2x 1x SBT 4-A22 SF BT 18/22-A TS-BT 5.5-74 S 2 1 SBT 4-A22 SFC 18/22-A S-DG BT M8/7 Short 6 11 7 1.6-7 mm 1/16 - 0.28" S-CC BT 6 Ø ≥11 mm 7/16" Torque tool X-BT ¼" 8 Nm / 5.9 ft.lb 12a 8 Nm / 5.9 ft.
2160246 A2 04.08.2017 S-BT Screw-in threaded studs 4.3 S-BT-MR M6/M8/M10 SN6 S-BT-MR W6/W10 SN6 Instruction for use – S-BT-MR M6, M8, M10, W6, W10 SN 6 < 0,8 mm 0,03" 4 2160246 A2-08.2017 9a 7 ≥ 7 mm 0.
S-BT-MR M6/M8/M10 SN6 S-BT-MR W6/W10 SN6 < 0,8 mm 0,03" 4 9a 7 ≥ 6 mm ¼" < 0,8 mm 0,03" 9b 5 1 SBT 4A-22 SFC 18/22-A S-BT-MR M6/15 SN 6 S-BT-MR W6/15 SN 6 S-BT-MR M8/15 SN 6 S-BT-MR M10/15 SN 6 S-BT-MR W10/15 SN 6 7 GEAR #1 Hex nut with flange M6-A4 Hex nut with flange W6-A4 Hex nut with flange M8-A4 Hex nut with flange M10-A4 Hex nut with flange W10-A4 10 2x 1x (1-3) SBT 4-A22 TS-BT 5.5-74 S 6 7 11 SBT 4-A22 SFC 18/22-A 1.6-15 mm 1/16 - 0.
2141390 A3 04.08.2017 (210x297mm) S-BT Screw-in threaded studs S-BT-MR M8/7 SN6 Instruction for use – S-BT-MR M8/7 SN 6 < 0,8 mm 0,03" 2141390 A3-08.2017 5 SBT 4A-22 SFC 18/22-A ≥ 7 mm 0.28" 1 4.4 GEAR #1 9a 7 < 0,8 mm 0,03" 9b 7 S-BT-MR M8/7 SN 6 (1-3) Hex nut with flange M8-A4 10 6 SBT 4-A22 SF BT 18/22-A 2x 1x TS-BT 5.5-74 S 2 1 SBT 4-A22 SFC 18/22-A S-DG BT M8/7 Short 6 7 11 1.6-7 mm 1/16 - 0.28" S-CC BT 6 Torque tool X-BT ¼" 8 Nm / 5.9 ft.
S-BT-MR M8/7 SN6 5 SBT 4-A22 SFC 18/22-A ≥ 6 mm 1 < 0,8 mm 0,03" GEAR #1 9a 7 1⁄4" 3 < 0,8 mm 0,03" 9b 7 S-BT-MR M8/7 SN 6 (1-5) Hex nut with flange M8-A4 10 6 SBT 4-A22 2x 1x TS-BT 5.5-74 S 2 1 SBT 4-A22 SFC 18/22-A S-DG BT M8/7 Short 6 7 11 1.6-7 mm 1/16 - 0.28" S-CC BT 6 Torque tool X-BT ¼" 8 Nm / 5.9 ft.lb S-NS 13C C 95/3 ¾" Ø ≥13 mm 1/ 2" 8a 12a 8 Nm / 5.9 ft.
2160322 A3 04.08.2017 S-BT Screw-in threaded studs S-BT-MR M6/M8/M10 AL S-BT-MR W6/W10 AL 4.5 Instruction for use – S-BT-MR M6, M8, M10, W6, W10 SN 6 AL < 0,8 mm 0,03" 4 2160322 A3-08.
2160249 A3 04.08.2017 S-BT-MR M8/7 SN 6 AL Instruction for use – S-BT-MR M8/7 SN 6 AL < 0,8 mm 0,03" 2160249 A3-08.2017 5 SBT 4-A22 SFC 18/22-A ≥ 6 mm ¼" 1 4.6 GEAR #1 9a 7 < 0,8 mm 0,03" 9b 7 S-BT-MR M8/7 SN 6 (1-3) Hex nut with flange M8-A4 10 6 2x 1x SBT 4-A22 SF BT 18/22-A TS-BT 5.5-74 AL 2 1 SBT 4-A22 SFC 18/22-A S-DG BT M8/7 Short 6 11 7 1.6-7 mm 1/16 - 0.28" S-CC BT 6 Ø ≥ 13 mm 1/ 2" Torque tool X-BT ¼" 5 Nm / 3.7 ft.lb 12a 5 Nm / 3.7 ft.
2141239 A3 04.08.2017 S-BT Screw-in threaded studs S-BT-GF M8/7 AN 6 Instruction for use – S-BT-GF M8/7 AN 6 < 0,8 mm 0,03" 2141239 A3-08.2017 5 SBT 4-A22 SFC 18/22-A ≥ 6 mm ¼" 1 4.7 GEAR #1 9a 7 < 0,8 mm 0,03" 9b 7 S-BT-GF M8/7 AN 6 (1-3) 10 6 SBT 4-A22 SF BT 18/22-A 2x 1x TS-BT 5.5-74 S SBT 4-A22 SFC 18/22-A 2 1 S-DG BT M8/7 Short 6 7 11 S-CC BT 6 1.6-7 mm 1/16 - 0.28" Torque tool X-BT ¼" 8 Nm / 5.9 ft.lb S-NS 13 C 95/3 ¾" Ø ≥11 mm 7/16" 12a 8a 8 Nm / 5.9 ft.
2168824 A2 04.08.2017 S-BT-GR M8/7 SN 6 Instruction for use – S-BT-GR M8/7 SN 6 < 0,8 mm 0,03" 2168824 A2-08.2017 5 SFC 18/22-A ≥ 7 mm 0.28" 1 4.8 GEAR #1 9a 7 < 0,8 mm 0,03" 9b 7 S-BT-GR M8/7 SN 6 (1-3) 10 6 SBT 4-A22 SF BT 18 / 22-A 2x 1x TS-BT 5.5-74 S SBT 4-A22 SFC 18/22-A 2 1 S-DG BT M8/7 Short 6 7 11 S-CC BT 6 1.6-7 mm 1/16 - 0.28" Torque tool X-BT ¼" 8 Nm / 5.9 ft.lb S-NS 13 C 95/3 ¾" Ø ≥ 13 mm 1/ 2" 12a 8a 8 Nm / 5.9 ft.
S-BT Screw-in threaded studs S-BT-GR M8/7 SN 6 5 SBT 4-A22 SFC 18/22-A ≥ 6 mm ¼" 1 < 0,8 mm 0,03" GEAR #1 9a 7 < 0,8 mm 0,03" 9b 7 S-BT-GR M8/7 SN 6 (1-3) 10 6 SBT 4-A22 2x 1x TS-BT 5.5-74 S SBT 4-A22 SFC 18/22-A 2 1 S-DG BT M8/7 Short 6 7 11 S-CC BT 6 1.6-7 mm 1/16 - 0.28" Torque tool X-BT ¼" 8 Nm / 5.9 ft.lb S-NS 13 C 95/3 ¾" Ø ≥ 13 mm 1/ 2" 12a 8a 8 Nm / 5.9 ft.
2160248 A2 04.08.2017 S-BT-GR M8/7 SN 6 AL Instruction for use - S-BT-GR M8/7 SN 6 AL < 0,8 mm 0,03" 2160248 A2-08.2017 5 SBT 4-A22 SFC 18/22-A ≥ 6 mm ¼" 1 4.9 GEAR #1 9a 7 < 0,8 mm 0,03" 9b 7 S-BT-GR M8/7 SN 6 (1-3) 10 6 SBT 4-A22 SF BT 18/22-A 2x 1x TS-BT 5.5-74 AL SBT 4-A22 SFC 18/22-A 2 1 S-DG BT M8/7 Short 6 11 7 1.6-7 mm 1/16 - 0.28" S-CC BT 6 Ø ≥ 13 mm 1/ 2" Torque tool X-BT ¼" 5 Nm / 3.7 ft.lb S-NS 13 C 95/3 ¾" 12a 8a 5 Nm / 3.7 ft.
S-BT Screw-in threaded studs S-BT-EF M6/W6/M8 4.10 Instruction for use – S-BT-EF M6/W6/M8 2192266 A1-10.2017 1 < 0,8 mm 0,03" (1-3) SBT 4-A22 SF BT 18/22-A 2 3 ≥ 6 mm ¼" < 0,8 mm 0,03" 8b GEAR #2 (1-3) 8c S-DG BT M8/15 Long 6 S-DG BT M6-W6/15 Long 6 3 4 9a ≤ 7 mm 0.28" 5 S-BT-EF M6/W6/M8/15 AN6 1 SBT 4-A22 SFC 18/22-A GEAR #1 7 9b 7 Hex Thin nut M6/W6/M8-F Spring washer M6/W6/M8-F 10 Hex Thin nut M6/W6/M8-F (1-3) SBT 4-A22 SF BT 18/22-A TS-BT 5.
S-BT-EF M10/W10 4.11 Instruction for use – S-BT-EF M10/W10 2192262 A1-10.2017 1 < 0,8 mm 0,03" (1-3) SBT 4-A22 SF BT 18/22-A 2 3 ≥ 6 mm ¼" < 0,8 mm 0,03" 8b GEAR #2 (1-3) 8c S-DG-BT M10-W10/15 Long 6 3 4 9a ≤ 3 mm 0.12" 5 S-BT-EF M10/W10/ 15 AN6 1 SBT 4-A22 SFC 18/22-A GEAR #1 7 9b 7 Hex Thin nut M10/W10-F Spring washer M10/W10-F 10 Hex Thin nut M10/W10-F SBT 4-A22 SF BT 18/22-A TS-BT 5.
S-BT Screw-in threaded studs S-BT-ER M6/W6/M8 4.12 Instruction for use – S-BT-ER M6/W6/M8 1 8b GEAR #2 < 0,8 mm 0,03" (1-3) SBT 4-A22 SF BT 18/22-A 2 3 ≥ 7 mm 0,28" < 0,8 mm 0,03" 2192265 A1-10.2017 (1-3) 8c S-DG BT M8/15 Long 6 S-DG BT M6-W6/15 Long 6 3 4 9a ≤ 7 mm 0.28" 5 S-BT-ER M6/W6/M8/15 SN6 1 SBT 4-A22 SFC 18/22-A GEAR #1 7 9b 7 Hex Thin nut M6/W6/M8-R Spring washer M6/W6/M8-R 10 Hex Thin nut M6/W6/M8-R (1-3) SBT 4-A22 SF BT 18/22-A TS-BT 5.
S-BT-ER M6/W6/M8 1 (1-3) < 0,8 mm 0,03" SBT 4-A22 2 3 ≥ 6 mm ¼" < 0,8 mm 0,03" 8b GEAR #2 (1-3) 8c S-DG BT M8/15 Long 6 S-DG BT M6-W6/15 Long 6 3 4 9a ≤ 7 mm 0.28" 5 S-BT-ER M6/W6/M8/15 SN6 1 SBT 4-A22 SFC 18/22-A GEAR #1 7 9b 7 Hex Thin nut M6/W6/M8-R Spring washer M6/W6/M8-R 10 Hex Thin nut M6/W6/M8-R (1-3) SBT 4-A22 TS-BT 5.5-74 S SBT 4-A22 SFC 18/22-A 6 S-CC BT 6 7 11A S-DG BT M8/15 Long 6 S-DG BT M6-W6/15 Long 6 2x 1x 1 11B 2 8a 12 Torque tool X-BT ¼" 8 Nm / 5.9 ft.
S-BT Screw-in threaded studs S-BT-ER M10/W10 4.13 Instruction for use – S-BT-ER M10/W10 2192261 A1-10.2017 1 < 0,8 mm 0,03" (1-3) SBT 4-A22 SF BT 18/22-A 2 3 ≥ 7 mm 0,28" < 0,8 mm 0,03" 8b GEAR #2 (1-3) 8c S-DG-BT M10-W10/15 Long 6 3 4 9a ≤ 3 mm 0.12" 5 S-BT-ER M10/W10/ 15 SN6 1 SBT 4-A22 SFC 18/22-A GEAR #1 7 9b 7 Hex Thin nut M10/W10-R Spring washer M10/W10-R 10 Hex Thin nut M10/W10-R SBT 4-A22 SF BT 18/22-A TS-BT 5.
S-BT-ER M10/W10 2192261 A1-10.2017 1 (1-3) < 0,8 mm 0,03" SBT 4-A22 2 3 ≥ 6 mm ¼" < 0,8 mm 0,03" 8b GEAR #2 (1-3) 8c S-DG-BT M10-W10/15 Long 6 3 4 9a ≤ 3 mm 0.12" 5 S-BT-ER M10/W10/ 15 SN6 1 SBT 4-A22 SFC 18/22-A GEAR #1 7 9b 7 Hex Thin nut M10/W10-R Spring washer M10/W10-R 10 Hex Thin nut M10/W10-R SBT 4-A22 TS-BT 5.5-74 S SBT 4-A22 SFC 18/22-A 6 7 11A S-DG-BT M10-W10/15 Long 6 1 S-CC BT 6 2x 1x (1-3) 11B 2 8a 12 Torque tool X-BT ¼" 8 Nm / 5.9 ft.lb 13 Tinst min.
S-BT Screw-in threaded studs S-BT-EF W10/M10 HC 4.14 Instruction for use – S-BT-EF W10 HC 4/0 and S-BT-EF M10 HC 120 < 0,8 mm 0.03" ≥ 6 mm 1/4" < 0,8 mm 0.03" 4 2210944 A3-10.2018 11b GEAR #2 (1-3) SBT 4-A22 3 5 (1-3) 11c S-DG-BT M10-W10/15 HC 6 S-BT-EF M10/W10/15 SN 6 6 Conductivity disc 35/AWG2 Conductivity disc 120/AWG4/0 Hex Thin nut M10/W10-F Spring washer M10/W10-F SBT 4-A22 12a TS-BT 5.
S-BT-ER W10/M10 HC 4.15 Instruction for use – S-BT-ER W10 HC 4/0 and S-BT-ER M10 HC 120 < 0,8 mm 0.03" ≥ 6 mm 1/4" < 0,8 mm 0.03" 4 2210943 A3-10.2018 11b GEAR #2 (1-3) SBT 4-A22 3 5 (1-3) 11c S-DG-BT M10-W10/15 HC 6 S-BT-ER M10/W10/15 SN 6 6 Conductivity disc 35/AWG2 Conductivity disc 120/AWG4/0 Hex Thin nut M10/W10-R Spring washer M10/W10-R SBT 4-A22 12a TS-BT 5.
S-BT Screw-in threaded studs 2275221 4.16 24.11.2020 Instruction for use – Standoff adapter MF and MR 25/50/75/100 on steel with a passive fire protection (PFP) coating 4.16.1 Instruction for use – Calibration of depth gauge S-DG BT for installation of S-BT on PFP-coated steel (e.g. S-BT GR M8/7 SN 6) PFP-Removal Drill Bit S-BT CALIBRATION 2275221-11.2020 6 1× 10 SBT 4-A22 1 1 GEAR #1 (1-3) 3 ≤100 mm/4" (1-3) 2 ≤ 0,8 mm / 0.03" ≥ 6 mm / 1/4" ≤ 0,8 mm / 0.
PFP-Removal Drill Bit S-BT APPLICATION 4.16.2 Instruction for use – Fastening of standoff adapter with S-BT on PFP-coated steel 2275221-11.2020 5 8 SBT 4-A22 SBT 4-A22 GEAR #1 6 – 11 CALIBRATION 9a 9b SBT 4-A22 8 Nm / 5.9 ft.lb 2 Tinst ≤ 8 Nm 6 1 3 2 1 GEAR #2 1 2 1 Tinst ≤ 8 Nm 10 PFP 2 3 1 7a Max. Max. 8 CALIBRATION 4 7b Min. Min.
S-BT Screw-in threaded studs Standoff Adapter M8-MR/F 4.17 Instruction for use – Attachments to standoff adapter (e.g. M8) 2283188-03.2020 SFC 18/22-A SBT 4-A22 S-NS 13 C 95/3 1/4" S-NS 19 95/3 1/4" Adapter M8-MR/MF - 25/50/75/100 M8 Wide Flange Nut A3a A3b MQ Channel S-BT–GR M8/7 SN 6 S-BT–GF M8/7 AN 6 A4 A5 A6a A6b 11 SBT 4A-22 SFC 18/22-A 2 1 B2 2 1 3 Tinst ≤8 Nm B3a S-BT… 16 - 20 Nm / 11.8 - 14.8 ft.lb 1 8 Nm / 5.9 ft.
5. PERFORMANCE 5.1 Nomenclature and symbols The symbols and nomenclature used in the technical data are listed below.
S-BT Screw-in threaded studs 5.2 Design concepts The recommended working loads Nrec and Vrec are generally suitable for use in typical working load designs. Working load concept NS ≤ Nrec = NR,k Ω where Ω is an overall factor of safety including allowance for: • errors in estimation of load • deviations in material and workmanship and NS is, in general, a characteristic acting load.
② ④ ① ⑤ ③ 5.3 Static capacity of the S-BT threaded stud 5.3.1 Tensile load deformation behavior of S-BT threaded stud fastenings Tension, shear and bending tests with S-BT screw-in threaded studs, Report No. 279/15 HTL Rankweil, Bautechnische Versuchsanstalt, Febr.
S-BT Screw-in threaded studs 5.3.2 Pull out strength of S-BT threaded stud fastenings N/2 N/2 Tension, shear and bending tests with S-BT screw-in threaded studs, Report No. 279/15 HTL Rankweil, Bautechnische Versuchsanstalt, Febr. 2016 Base material ref. to 5.3.1 Number of fastenings in test ref. to 5.3.1 Ultimate pull-out load The effect of the base material type, strength and base material thickness (screw-in depth) can be observed.
5.3.3 Shear strength of S-BT threaded stud fastenings Tension, shear and bending tests with S-BT screw-in threaded studs, Report No. 279/15 HTL Rankweil, Bautechnische Versuchsanstalt, Febr. 2016 V Base material ref. to 5.3.1 Number of fastenings in test ref. to 5.3.1 Ultimate shear load The shear failure occurs through breakage of the stud in the cross section of the tap thread or through plastic deformation of the hole in the base material which leads to tilting and pull-out of fastener.
S-BT Screw-in threaded studs 5.4 S-BT in stainless steel base material Tests at Hilti AG, Schaan 2018 General comments Stainless steels mainly differ from non-alloy structural steels in the following properties: • higher resistance to corrosion and acids • higher toughness and thus poor machinability (e.g.
5.5 ① ② ① Compression flange ② Tension flange Vibration effects on S-BT threaded stud fastenings Experimental investigations on the effect of base metal vibrations on the ultimate pull-out Report No.
S-BT Screw-in threaded studs 5.6 Resistance of S-BT fastenings under dynamic tensile loading Report No. XSEhac-01-15_06; Hilti AG; Schaan 2015 fatigue loading F t S-BT fastener General comments The tests were performed to investigate the effect of repeated tensile loads on the anchorage of the S-BT fastenings. Therefore, Wöhler charts for S-BT fastenings have been evaluated in view of the resistance of vibrations in axial direction (repeated tensile loads).
Linear regression of fatigue test results Hilti S-BT fastening system under cyclic loading As often done in fatigue design, the characteristic resistance Δσk (= 5%-fractile or 95% probability of survival) is assessed by reducing the linear regression with the double of the standard deviation “s” of the test data. “s” corresponds to the standard deviation of the difference between the test results and the mean trend. Applying this procedure, the characteristic fatigue strength determines to: log Nk = 9.
• The partial safety factors for fatigue actions as well as fatigue resistance have to be considered according to fatigue design provisions (for example: Eurocode 4 or AISC-LRFD) in agreement with the statistical evaluation of Nk. Steel base grade: • If global safety concepts are applied, the global factors of safety have to be 235 S235JR+N taken in agreement with the statistical evaluation of Nk meeting the conditions of the used design standard.
and N on a double–logarithmic scale as follows, see Figure 21: log N = log a – m ∙ log S (2) with log N logarithm to base 10 of corresponding number of cycles to failure N log a intercept on the log N axis m negative slope of S-N curve being linear on a log-log basis log S = log log S logarithm to base 10 of stress range regression line: log N = log a + m · log S 1 s m statistical distribution of test results with standard deviation s m 97.
Recommendation of a design S-N curve according to Recommendation of a design S-N curve according to different codes different codes S-BT Screw-in threaded studs On the basis of the existing test results and a statistical evaluation of these On the basis of the existing test results and a statistical evaluation of these test data according to the provisions given in EN 1993-1-9:2005 (Eurocode 3) test data according to the provisions given in EN 1993-1-9:2005 (Eurocode 3) it is recommended to use following
A 3.0 250 x 10 8 8.225 x 10 12 23.9 165.0 8 3.948 x 1012 16.0 110.0 8 2.007 x 1012 12.0 83.0 8 1.448 x 10 12 10.0 69.0 8 7.238 x 1011 7.0 48.0 8 3.619 x 1011 4.5 31.0 B 3.0 120 x 10 B' 3.0 61 x 10 C 3.0 44 x 10 D 3.0 22 x 10 E 3.0 11 x 10 AWS D1.1/D1.1M:2015 8 E' 1.283 x 1011 2.6 18.0 3.0 39 x 10 It is recommended to use the following design S-N curve respectively stress 10 17 F 1.650 x 10 8.0 55.0 6.
B 1.01x10 C 4.23x10 D 1.52x10 E 1.04x10 F 6.30x10 F2 G W S-BT 4.48x10 4.0 1.02x10 10 3.5 2.59x10 9 3.0 4.33x10 9 3.0 2.30x10 9 3.0 9.97x10 13 4.93x10 12 4.65x10 12 3.18x10 11 1.93x10 11 4.30x10 9 1.31x10 9.49x10 1.0x10 5.5 1.0x10 11 5.0 1.0x10 11 5.0 1.0x10 10 5.0 1.0x10 6.35x10 15 2.79x10 15 1.48x10 14 6.24x10 14 3.0 6.0 12 17 10 5.28x10 3.40x10 5.0 100.2 14.5 7 78.2 11.4 7 53.4 7.75 7 47.0 6.83 7 39.8 5.78 7 35.0 5.08 1.
C 123.81 3.5 13.6260 10 7 78.19 6 18.3589 D 91.25 3.0 12.18.18 10 7 53.36 5 15.6363 E (1) 80.31 3.0 12.0153 10 7 46.96 5 15.3588 F (1) 68.10 3.0 11.8004 10 7 39.82 5 15.0007 F2 (1) 59.95 3.0 11.6345 10 7 35.06 5 14.7241 P PII S-BT see Sec. 10, Tab. 2 of BV 25 91.25 3.0 12.1818 10 53.36 5 15.6363 BV:2016 7 58.48 5 curve 15.8350 3.0 12.3010 It 100.00 is recommended to use the10 following design S-N respectively stress 7 5 25 100.00 termed 5.0 “S-BT” 16.
B2 4.0 14.885 16.858 93.59 0 C 3.0 12.592 16.320 73.10 0.05 C1 3.0 12.449 16.081 65.50 0.10 C2 3.0 12.301 15.835 58.48 0.15 D 3.0 12.164 15.606 52.63 0.20 E 3.0 12.010 15.350 46.78 0.20 S-BT Screw-in threaded studs F 3.0 11.855 15.091 41.52 0.25 DNVGL-RP-C203:2016 F1 3.0to use the 11.699 14.832S-N curve 36.84 0.25 It is recommended following design respectively stress F3 termed “S-BT” 3.0 11.546 14.576 32.75 0.
Universität Stuttgart BS 7608:2014 Institut für Konstruktion und Entwurf Schwerpunkte: Stahlbau, Holzbau und Verbundbau It is recommended to use the following design S-N curve respectively stress Ulrike Kuhlmann category termed “S-BT” given in Table 8 and Figure 6Prof. for Dr.-Ing. the constructional detail “Steel base material with Hilti S-BT screw-in threaded studs”.
S-BT Screw-in threaded studs Literature: [1] Empa: Test Report No. 5214011585/e. Swiss Federal Laboratories for Materials Testing and Research (EMPA), April 26th 2016. [2] Empa: Test Report No. 5214013022/e_corr. Swiss Federal Laboratories for Materials Testing and Research (EMPA), June 29th 2017. [3] Empa: Test Report No. 5214014601/e. Swiss Federal Laboratories for Materials Testing and Research (EMPA), April 11th 2017. [4] Kuhlmann, U., Günther, H.-P.
5.8 Intersection = Ø T – Ø B Influence of glue coatings on the loosening torque Experimental investigations on the influence of glue coatings on the loosening torque Report No. XSEhac-01-15_15; Hilti AG; Schaan 2015 ØB ØT Definition of the thread intersection General comments The design intent is that the nut can be removed without the S-BT stud unscrewing from the base material.
S-BT Screw-in threaded studs 5.9 S-BT-ER and S-BT-EF screw-in threaded studs for electrical connections [0.39/0.47"] Ø 10/12 3 or 4 Ø 5.8 M10/W10 1 or 2 S-BT-ER M10/15 SN6 S-BT-EF W10/15 AN6 S-BT-ER M10/15 SN6 S-BT-EF W10/15 AN6 [0.23"] Fasteners 27.75 [1.1"] 33.9 [1.33"] 7 or 8 5 or 6 5 or 6 5 [0.197"] 5 [0.197"] S-BT-ER M8/15 SN 6 S-BT-EF M8/15 AN 6 [0.39/0.47"] Ø 10/12 Ø 5.8 3 or 4 7 or 8 5 or 6 5 or 6 4 [0.158"] 4 [0.158"] M8 1 or 2 [0.23"] 2.4 [0.094"] 27.75 [1.1"] 33.9 [1.
5.9.1 Effect of S-BT-ER / S-BT-EF studs on integrity of pipe flange Installation of a Hilti S-BT-ER / S-BT-EF threaded stud is not expected to have negative influence on the integrity of flanged pipe joints made from typical ductile steel materials, when installed in the center of the radial or flat face of the flange ring between two bolts.
X-BT-ER M8/7 SN 4 W10/3 SN 4 8-ER X-BT-ER stainless steel threaded studs electrical performances X-BT-ER W6/7 SN 4 steners X-BT-ER M10/3 SN 4 X-BT-ER W10/3 SN 4 5.9.2 X-BT-ER M6/7 SN 4 X-BT-ER W6/7 SN 4 X-BT-ER M8/7 SN 4 S-BT Screw-in threaded studs Permanent current o. 09-IK-0208.32V2_e; Electrosuisse, Fehraltorf, Switzerland; May 2010 o. CF-791; Dehn und Söhne GmbH, Neumarkt, Germany; March 2006 ForTest permanent current (leakage due to static built up in pipes or when o.
Pass 5.9.3 ent Short circuit current For discharging short circuit current while protecting electrical equipment or earth / ground cable trays and ladders. 1 ent Test Standard Requirements or Test criteria IEC 60947-7-1 IEC 60947-7-2 A grounding connection must be capable of withstanding a high test current (Itest) for an exposure time of 1 second. Itest = Acable [mm2] x 120 [A/mm2] where Acable = cross sectional area of the attached cable, exposure time 1 second i.e.
S-BT Screw-in threaded studs Tested configuration Test results Short circuit current lcw Exposure time td Result 1.92 kA 1s pass Short circuit current lcw Exposure time td Result 14.40 kA (IEC) 10.10 kA (UL) 1s 9s pass pass Double point connection, Type A Single point connection, Type B Conclusions: Single point connection: • Recommended maximal cross section of connected cable according IEC 60947-7-2 and IEC 60947-7-1: 10 mm2 (8 AWG) copper (tested short circuit current Icw = 1.
for connection components” and 5.9.4 Lightning current For high temporary current due to lightning. 5 ms Test Standard Requirements or Test criteria IEC 62561-1 Electrical test with stress of 3 times 50 kA or 100 kA (signal form 10/350 μs) lightning current as follows: •C lassification N Iimp = 50 kA ± 10 %, W/ R = 0.625 MJ/Ω ± 35 %, td ≤ 5 ms • Classification H Iimp = 100 kA ± 10 %, W/R = 2.
S-BT Screw-in threaded studs Conclusions: Classification Based on IEC 62561-1: Exposure time Classification N Iimp ≤ 50 kA 1 ms Classification H Iimp ≤ 100 kA Fastener S-BT-ER M10/15 SN 6 S-BT-ER W10/15 SN 6 S-BT-EF M10/15 AN 6 S-BT-EF W10/15 AN 6 S-BT-ER M8/15 SN 6 S-BT-EF M8/15 AN 6 S-BT-ER M10 HC 120 S-BT-ER W10 HC AWG4/0 S-BT-EF M10 HC 120 S-BT-EF W10 HC AWG4/0 Connection configuration Single point connection: Type A Type B Single point connection: Type B 5.10 Corrosion resistance 5.10.
Fastener Coating / material Environmental conditions Carbon steel 2) S-BT-MF S-BT-MF MT S-BT-GF S-BT-GF NG S-BT-EF Stainless steel S-BT-MR S-BT-MR MT S-BT-GR S-BR-GR NG S-BT-ER Duplex-coated carbon steel A4 AISI 316 Fastened part Dry indoor Steel (zinc-coated, painted), aluminium, stainless steel ◼ Indoor with temporary condensation Steel (zinc-coated, painted), aluminium ◼ Stainless steel ‒ Outdoor with low pollution Steel (zinc-coated, painted), aluminium ◻ Outdoor with mode Steel (zinc
S-BT Screw-in threaded studs 5.10.2 Galvanic (contact) corrosion Galvanic corrosion refers to corrosion damage where two dissimilar metals have an electrically conducting connection and are in contact with a common corrosive electrolyte. 0RUH QREOH Generally, the less noble metal will be dissolved (anodic metal dissolution), whereas the more noble part is not attacked by corrosion (serves only as the cathode for oxygen reduction).
Top coat for chemical resistance Zn-alloy electroplating for cathodic protection Hardened carbon steel Duplex-coating on carbon steel S-BT fasteners 5.10.3 Carbon steel S-BT studs General comments The coating of the carbon steel S-BT fasteners consists of an electroplated Zn-alloy for cathodic protection and a top coat for chemical resistance (Duplex-coating). The thickness of the coating is 35 μm.
S-BT Screw-in threaded studs Neutral salt spray test S-BT studs with duplex-coating are subjected to a neutral salt spray test according to DIN EN ISO 9227. Under this test, the corrosion resistance of S-BT studs with duplex-coating is significantly higher as compared to hot dip galvanized (HDG) systems with at least 45 µm coating thickness. Grade A4 stainless steel S-BT studs remain stable under this test and withstand corrosion due to passive surface.
X-BT stud. The stainless-steel S-BT studs are intended to be used for the same applications and the studs are made of the same material as the shank of the X-BT fastener, duplex steel type 1.4462.
S-BT Screw-in threaded studs 5.10.5 Conductivity disc of S-BT-ER / -EF electrical connectors The conductivity disc of the S-BT-ER / -EF HC is made from copper alloy CuSn8 with a tin-coating on the surface and a sealing ring on the bottom side. The copper alloy is classified as largely insensitive to stress corrosion cracking and pitting corrosion. The conductivity disc is designed for use in corrosion categories C1 – C5 according to EN ISO 9223.
5.10.8 X-FCM and X-FCM NG grating fasteners X-FCM grating fasteners made of zinc coated carbon steel The coating of the carbon steel grating fasteners consists of an electroplated zinc coating. The use of this coating is limited to the corrosion category C1 according the standard EN ISO 9223. For higher corrosion categories duplex coated grating fasteners or stainless steel grating fasteners should be used.
S-BT Screw-in threaded studs 5.11 Fire resistance Test Report No. 20161614 and No. 20170384 MPA Dresden GmbH – IMO Recognized Test Laboratory (2017) [1] and [2] General comments When using Hilti S-BT fasteners in combination with fire rated boundaries in Shipbuilding facilities, the effect of the fastener on the mechanical resistance of the steel base material (bulkheads, decks) has to be considered.
Stud # Force [kN] Type of force S-BT Type Base material thickness [mm] 1 0.53 Tension S-BT-MR M8/15 SN6 Bulb Flat 80 x 5.0 2 0.26 Tension S-BT-MR M8/15 SN6 3.0 (Plate) (drill through hole) 3 0.52 Tension S-BT-MF M8/15 AN6 6.0 (Plate) 4 0.52 Tension S-BT-MF M8/15 AN6 Bulb Flat 80 x 5.0 5 0.50 Shear S-BT-MR M8/15 SN6 Bulb Flat 80 x 5.0 6 0.25 Shear S-BT-MR M8/15 SN6 3.0 (Plate) (drill through hole) 7 0.25 Shear S-BT-MF M8/15 AN6 3.0 (Plate) (drill through hole) 8 0.
S-BT Screw-in threaded studs Stability of the test specimen was given during the 60 test minutes. All installed S-BT studs were able to maintain their loads (ref. to Table 1 and Table 2) for a period of 60 minutes whilst the bulkhead was subjected to a test, which utilized the conditions given in IMO Resolution MSC.307(88), FTP Code, 2010 for “A-0” bulkheads. There was no occurrence of any flaming or smoke on the unexposed surface of the specimen during the test.
5.12 Volume swelling of SN 12 sealing washer (stainless steel S-BT studs) (Refer to section 3.1.1 material No. ③) Chemicals < 20 % 1. Water at 80° C ◼ 2. Sea water ◼ 3. Zinc chloride 10 % ◼ 4. Sodium chloride 15 % ◼ 5. Hydrochloric acid 10 % ◼ 6. Acetic acid ◼ 20 – 40 % Volume swell > 40 – 60 % > 60 – 80 % 7. Acrylonitrile ◼ 8. Aniline ◼ 9. n-Butyl acetate ◼ 10. Diethylether ◼ 11. Ethanol ◼ 12. Glycerol ◼ 13. n-Hexane ◼ 14. Methanol ◼ 15. Methylethylketone ◼ 16.
S-BT Screw-in threaded studs 6. SYSTEM PROGRAM Designation Item no.
Designation Adapter M8-MF 25 Adapter M8-MF 50 Adapter M8-MF 75 Adapter M8-MF 100 Adapter M8-MR 25 Adapter M8-MR 50 Adapter M8-MR 75 Adapter M8-MR 100 Item no.
S-BT Screw-in threaded studs 7. APPROVALS Approvals are subject to continuous changes related to code developments, product portfolio updates and new research results. Current approvals can be downloaded from Hilti website or from the websites of most Certification Bodies. 7.1 Offshore and Shipbuilding applications • ABS – American Bureau of Shipping 16-HS1550085-PDA • DNV-GL TAS00000N6 • LR – Lloyds Register 16/00063 • Russian Maritime Register of Shipping 18.40040.
9494 Schaan, Liechtenstein www.facebook.com/hiltigroup page 104 Specifications P +423-234 2965 www.hilti.group Hilti = registered trademark of Hilti Corp., Schaan I W4499 0221 0-en I 1 Printed in Liechtenstein I © 2021 I Right of technical and programme changes reserved S. E.
