S-BT Threaded Fastener Specification
Table Of Contents
- 1.1 Definition
- 1.2 The S-BT system
- 1.3 Fastening mechanism
- 1.4 S-BT system features and benefits – simplified fastening to steel
- 2.1 Grating fastening system
- 2.2 Grating fastening system X-FCS-R
- 2.3 S-BT with MM and MQ installation channel system
- 2.4 Fastening instrumentation, junction boxes and lighting
- 2.5 Fastening cable / conduit connectors
- 2.5 Fastening cable tray supports
- 2.7 Electrical connections
- 3.1 Product data
- 3.2 Load data
- 4.1 Instruction for use - S-BT-MF M6, M8, M10, W6, W10
- 4.2 Instruction for use - S-BT-MF M8/7 AN 6
- 4.3 Instruction for use - S-BT-MR M6, M8, M10, W6, W10 SN 6
- 4.4 Instruction for use - S-BT-MR M8/7 SN 6
- 4.5 Instruction for use - S-BT-MR M6, M8, M10, W6, W10 SN 6 AL
- 4.6 Instruction for use - S-BT-MR M8/7 SN 6 AL
- 4.7 Instruction for use - S-BT-GF M8/7 AN 6
- 4.8 Instruction for use - S-BT-GR M8/7 SN 6
- 4.9 Instruction for use - S-BT-GR M8/7 SN 6 AL
- 4.10 Instruction for use – S-BT-EF M6/W6/M8
- 4.11 Instruction for use – S-BT-EF M10/W10
- 4.12 Instruction for use – S-BT-ER M6/W6/M8
- 4.13 Instruction for use – S-BT-ER M10/W10
- 4.14 Instruction for use – S-BT-EF W10 HC AWG2/0 and S-BT-EF M10 HC 35/120
- 4.15 Instruction for use – S-BT-ER W10 HC AWG2/0 and S-BT-ER M10 HC 35/120
- 5.1 Nomenclature and symbols
- 5.2 Design concepts
- 5.3 Static capacity of the S-BT threaded stud
- 5.4 Vibration effects on S-BT threaded stud fastenings
- 5.5 Resistance of S-BT fastenings under dynamic tensile loading
- 5.6 Effect of S-BT threaded stud fastenings on the fatigue strength of base material structural steel
- 5.7 Influence of glue coatings on the loosening torque
- 5.8 S-BT-ER and S-BT-EF screw-in threaded studs for electrical connections
- 5.9.5 Conductivity disc of S-BT-ER / -EF electrical connectors
- 5.9.4 Stainless steel S-BT studs
- 5.9.3 Carbon steel S-BT studs
- 5.9.2 Galvanic (contact) corrosion
page98 Specifications
5.12 Volume swelling of SN 12 sealing washer (stainless steel S-BT studs)
(Refertosection3.1.1materialNo.③)
Volume swell
Chemicals <20 % 20 – 40 % >40 – 60 % >60 – 80 % >80 – 100 %
1.Waterat80°C ◼
2.Seawater ◼
3.Zincchloride10 % ◼
4.Sodiumchloride15 % ◼
5.Hydrochloricacid10 % ◼
6.Aceticacid ◼
7.Acrylonitrile ◼
8.Aniline ◼
9.n-Butylacetate ◼
10. Diethylether ◼
11. Ethanol ◼
12.Glycerol ◼
13.n-Hexane ◼
14.Methanol ◼
15.Methylethylketone ◼
16.Nitrobenzene ◼
17.1-Propanol ◼
18.Oil(ASTM-1)at80°C ◼
19.Oil(ASTM-2)at80°C ◼
20.Oil(ASTM-3)at80°C ◼
21.ReferencefuelB(isooctane/toluene,70 / 30) ◼
22.ReferencefuelC(isooctane/toluene,50 / 50) ◼
23.Hydraulicbrakeuid ◼
24.Hydraulicbrakeuidat100°C ◼
25.Antifreeze(ethyleneglycol / water50 / 50)at125°C ◼
Material:3.1107Elastomer:CRozoneandUVresistanceTemperaturerange:–40°Cto+100°C
Volumeswellingisareactionofthematerialofthewasherwhenit’sincontactwiththedifferentsubstances.It’susedasa
parameter to describe the chemical reaction.
Theswellingfactorgivesanindicationofthebehaviorofthematerial,butswellingdoesnotleaddirectlytolossofthesealing
property.WithaninstalledstainlesssteelS-BTstud,thewasheriscompressedagainstthebasesteel.
Withoutanyspecicrequirementageneralguidelineisthatthewashermaterialisresistanttoallsubstanceswherethevolume
swellingvalueis≤40%.
ThetableaboveisvalidonlyforstainlesssteelS-BTstuds.