BIS CERTIFICATION FOR STAINLESS STEEL BLOOMS, BILLETS & SLABS
IS 6529:1996

This standard specifies the requirements for stainless steel blooms, billets, and slabs for forgings.

The method of manufacturing steel and products is at the discretion of the manufacturer unless agreed otherwise in order.

Blooms, billets, and slabs can be manufactured by rolling, extrusion, hammering, or processing from ingots or continuously cast slabs, blooms, or billets. After processing ingots or continuously cast product, sufficient discard shall be made to ensure freedom from pipe, harmful segregation, and other harmful defects. Blooms, billets, and slabs must be free of cracks, surface flaws, laps, rough, jagged, and imperfect edges, and any other flaws that could lead to defects in the finished product.

A laboratory shall be properly equipped and staffed, and where various tests shall be performed in accordance with the methods specified in the specification. IS 8910 specifies the general requirements for material supply. The material must meet the requirements specified in the standard, when tested.

TESTS

the following test shall be carried out as per the method specified in the standard.

• Freedom from Defects
• Chemical composition
• Hardness test
• Dimensional Tolerance
• Corrosion resistance test

Marking:

Marking shall be done as per IS 6529:1996. Each bloom, billet, and slab shall be marked with the cast number and steel designation. The standard mark (ISI Mark) may also be applied to the material. The manufacturer must obtain a BIS license for stainless steel blooms, billets, and slabs for forgings from the Bureau of Indian Standards to use a standard mark (ISI Mark). BIS will grant a license after successfully assessing manufacturing infrastructure, processes, quality control, and testing capabilities during a visit to manufacturing premises.

ALSO READ: BIS QCO for the Steel and Steel Products (Stainless Steel Blooms Billets and Slabs for Forging)

NOTE:

For Detailed Information about the Procedure for BIS ISI Certification, Visit :

1. Procedure for Domestic Manufacturer
2. Procedure for Foreign Manufacturer

Conclusion:

If a product falls under the scope of the BIS Conformity Assessment Scheme, All the manufacturers, importers, and foreign entities must obtain BIS ISI Certification. The Bureau may cancel the License if the product fails to meet certification requirements.

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