BIS CERTIFICATION FOR HOT ROLLED MILD STEEL SHEET & STRIP
IS 2385:1977

This standard specifies the requirements for hot rolled mild steel sheets and strips in coil form for cold reduced tinplate and cold reduced blackplate production.

Material conforming to this standard must be supplied in coil form, typically in a thickness range of 1.8 mm or thicker, and in widths of 600 mm or greater. Because of the variety of finishes and other characteristics required in the final cold reduced product, the surface is extremely important.

When the end product requires special characteristics, the manufacturer and reroller must agree on the specification of the hot-rolled sheet/strip at the time of ordering. Slit widths of less than 600 mm from wide coils may be considered sheet/strip coils for rerolling. The general requirements for the supply of hot rolled mild steel sheet and strip for the production of cold reduced tinplate and blackplate shall be as specified.

The steel shall be produced using an open hearth, an electric furnace, a duplex furnace, a basic oxygen furnace, or a combination of these processes. The chemical composition of the material must meet standard specifications. The sheet and strip must be relatively free of laminations, seams, cracks, rolled-in oxides, inclusions, and other harmful defects that may affect the material during subsequent processing. Sheets and strips must be supplied hot rolled or hot rolled, pickled, and oiled.

Packing and Marking:

Sheets and strips must be tightly coiled, with one edge above the other. The amount of material protruding from the edges shall not exceed 5% of the width of the sheet strip. A maximum projection of 40 mm is permitted for sheets and strips with widths greater than 800 mm. Edge projection is not permitted on both sides of the coils.

Coils must be rigidly packed with high tensile steel strappings that are tied around the circumference and crosswise of each coil.

Each coil of sheet or strip must be legibly marked with the following information:

• Manufacturer’s name or trade mark
• Coil number
• Coil mass
• Product Dimensions
• Order number

The ISI mark may also be applied to the material. Manufacturers must obtain a BIS license from the Bureau of Indian Standards to use a standard mark (ISI Mark). The Bureau grants a license based on a successful assessment of manufacturing infrastructure, production process, and quality control and testing capabilities during a visit to its manufacturing premises.

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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