BIS CERTIFICATION FOR STOCK FOR FORGINGS
IS 13352:1992

This standard specifies the technical and delivery conditions for plain carbon and low alloy grade steels in the form of bars, billets, and other shapes produced through a continuous cast route, either by rolling or forging.

The steels covered by this standard are generally intended for use as a raw material by the forging industry in the manufacture of automobiles or other engineering components.

The general requirements for material supply shall be in accordance with IS 1387: 1967.The reduction ratio between the cast product and the forging stock should be at least 6: 1. The standard specifies that the stock should be free of any harmful internal defects. Higher or lower reduction ratios for specific applications can be agreed upon between the purchaser and the manufacturer at the time of inquiry and order.

The stock rolled/forged continuously cast steel must be free of harmful surface and subsurface defects that could impair the steel's forgeability or end-use. The continuously cast billet or bloom must be suitably conditioned before rolling to ensure product quality.

Stock rolled/forged continuously cast steel must also be free of harmful internal defects such as corner cracks, half-way cracks, centre looseness, concentrated pinholes, voids, flakes, and so on.

The hardness and mechanical properties for respective grades will be as per the relevant Indian standard for which the steel is intended. Hardness and mechanical tests must be performed to ensure product quality.

The chemical composition, mechanical properties, and grain size must all meet the standard's requirements. The foreign stock rolled from the continuously cast product must meet a high standard of surface quality, and size tolerances must be in accordance with 3739:1987.

Marking:

Marking shall be done in accordance with IS 13352:1992. The material may also be marked with the standard mark (ISI Mark). The standard mark (ISI mark) must be applied to the material. The manufacturer must obtain a BIS license from the Bureau of Indian Standards to use a standard mark (ISI Mark). The BIS issues a license based on a successful evaluation of the manufacturing infrastructure, quality control, testing capabilities, and manufacturing process.

ALSO READ: BIS QCO for the Steel and Steel Products (Stock for Forgings produced from Continuously Cast Blooms, Billets and Slabs – Specification)

NOTE:

For Detailed Information about the Procedure for BIS ISI Certification

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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