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S.No. Lab Name Osl Code Indian Standard No. Product Grade / Type / Size / Designation etc. Testing Charges (Excl. Of Taxes) Validity Date Remark
1 Gravitas Laboratories Private Limited, Greater Noida 8182606 IS 10238 (2001) Fasteners - Threaded steel fasteners - Step bolts for steel structures - Specification (First Revision) Step Bolts for Steel Structures 22000 View breakup
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Included w.e.f. 17.08.2026
2 Standard Testing Laboratory Private Limited 8170106 IS 10238 (2001) Fasteners - Threaded steel fasteners - Step bolts for steel structures - Specification (First Revision) - 12500 View breakup
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10 Apr, 2028 -
Included w.e.f 09.02.2026
3 JBS TESTING SOLUTIONS PVT LTD (27), JALANDHAR 9164606 IS 10238 (2001) Fasteners - Threaded steel fasteners - Step bolts for steel structures - Specification (First Revision) - 13200 View breakup
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Included w.e.f.03.07.2025
4 BIS, Eastern Regional Laboratory (ERL) None IS 10238 (2001) Fasteners - Threaded steel fasteners - Step bolts for steel structures - Specification (First Revision) For all sizes except for the tests mentioned in remarks 7200 View breakup
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Mech: Not available for Lower Yield Strength, Stress under proof load, Proof Load and Minimum Breaking Torque
5 BIS, Central Laboratory (CL) None IS 10238 (2001) Fasteners - Threaded steel fasteners - Step bolts for steel structures - Specification (First Revision) - 7200 View breakup
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Complete for galvanized coating. Sample Size- 10 pcs. Ecluding Cl 5 - Tensile Test ("Tensile strength, lower yield strength, Stress under proof load, Spf; Proof strength ratio; Percentage elongation after fracture for min. machined test pieces, A, %; Percentage reduction of area after min. fracture for machined test pieces, Z, %;"); Head soundness; Surface integrity in accordance with ISO 6157-1; Torsional test; Tensile test under wedge loading; Surface hardness HV0.3; Non-carburization; Height of non-decarburized thread zone; Depth of complete decarburization in the thread; Reduction of hardness after retempering.
6 Alpha Test House Services LLP (160), Sahibzada Ajit Singh Nagar 9138706 IS 10238 (2001) Fasteners - Threaded steel fasteners - Step bolts for steel structures - Specification (First Revision) Grade C 24000 View breakup
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31 Dec, 2029 -
Included w.e.f. 04.04.2024
7 Institute for Auto Parts and Hand Tools Technology, Ludhiana 9126034 IS 10238 (2001) Fasteners - Threaded steel fasteners - Step bolts for steel structures - Specification (First Revision) All Grade/Type/Size/Designation etc. standard 13300 View breakup
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17 Feb, 2028 -
Included w.e.f. 22.02.2024

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