IS 1139 : 1966 — Specification for Hot rolled mild steel, medium tensile steel and high yield strength steel deformed bars for concrete reinforcements

What is IS 1139 : 1966?

IS 1139 : 1966 is an Indian Standard published by the Bureau of Indian Standards (BIS) under the title Specification for Hot rolled mild steel, medium tensile steel and high yield strength steel deformed bars for concrete reinforcements.. Certification under this standard is voluntary.

How to get certified for IS 1139 : 1966

1. 1
   Apply online — Submit the BIS portal application with product details, factory information, and test reports.
2. 2
   Lab testing — Submit product samples to a BIS-recognised testing laboratory for evaluation against the standard.
3. 3
   Factory inspection — A BIS officer visits your manufacturing facility to verify quality control systems.
4. 4
   Licence grant — On approval, BIS issues the licence. You may then affix the ISI Mark on compliant products.

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