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
page96 Specifications
Stud # Force
[kN]
Type
of force
S-BT Type Base material
thickness[mm]
1 0.53 Tension S-BT-MRM8/15SN6 BulbFlat80x5.0
2 0.26 Tension S-BT-MRM8/15SN6 3.0(Plate)
(drillthroughhole)
3 0.52 Tension S-BT-MFM8/15AN6 6.0(Plate)
4 0.52 Tension S-BT-MFM8/15AN6 BulbFlat80x5.0
5 0.50 Shear S-BT-MRM8/15SN6 BulbFlat80x5.0
6 0.25 Shear S-BT-MRM8/15SN6 3.0(Plate)
(drillthroughhole)
7 0.25 Shear S-BT-MFM8/15AN6 3.0(Plate)
(drillthroughhole)
8 0.50 Shear S-BT-MRM8/15SN6 6.0(Plate)
9 0.50 Shear S-BT-MFM8/15AN6 6.0(Plate)
10 0.50 Shear S-BT-MFM8/15AN6 BulbFlat80x5.0
Table2:Testprogramofthesmallbulkhead980mmx980mm
Accordingto[3],forall“A”classdivisionsthefollowingrequirementsshallbe
satisedfortheminimumtestdurationof60min.
•Flaming:thereshallbenoamingandsmokeontheunexposedface
•Gapgauges:itshallnotbepossibletoenterthegapgaugeintoanyopening
in the specimen
• Stability of the test specimen
For“A-0”classbulkheadstheaverageunexposed-facetemperatureriseisnot
applicable.
Inadditiontotherequirementsaboveafurtherrequirementisdened:
•TheinstalledS-BTstudsshallmaintaintheirloads(tensionorshear)for
aperiodof60minutes
Duringthetesttheaveragefurnacetemperature,theunexposedsurface
temperatureadjacenttotheinstalledS-BTstudsandthedeectionofthebulkhead
weremeasuredandrecorded.
Thetestsetup,measurementsandtheresultsaredescribedindetailin[1]and[2].
Test results
Forthetests,S-BT-MRM8/15(stainlesssteel)andS-BT-MFM8/15(carbonsteel)
wereused.ThethreadedtipoftheS-BTstudsandthesealingwasher(areaAin
Figure3)isidenticalforalldimensions.Onlythethreads(e.g.M8,M10,W10)for
attachmentofsupportedmaterials(areaBinFigure3)aredifferent.Forthisreason
S-BTstudswiththreadM8werechosenforthetestsinordertoadoptthetest
resultstothebiggerthreadsM10/W10.
B
A
Figure3:GeometryofS-BTstudst