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In this competitive scenario, it isn't easy to survive in the market without a standard quality and certified product. BIS license may also be required to sell products in the Indian market.

To get BIS certification and produce a standard quality product, the manufacturer must ensure that their product must follow the specified Indian standard.

Let's take a closer look at IS 15961: 2012 Hot Dip Aluminium-Zinc Alloy Metallic Coated Steel Strip and Sheet (Plain).

This standard specifies the requirements for continuously hot-dip aluminium-zinc alloy metallic coated steel strip and sheet (plain) thicknesses ranging from 0.25 mm to 1.5 mm. Sheets and coils are made by uniformly coating both surfaces of a cold-rolled steel coil. This standard specifies the following requirements for steel grades, coating classes, and surface finishes:

1. Normal (N)/Skin-passed (S)
2. Aluminum/Zinc coating classes
3. Structural steel-grades

IS 8910 specifies the general requirements for the supply of aluminium-zinc alloy metallic coated steel strip and sheet (plain). IS 513 specifies the base metal for cold-rolled low carbon steel strip for aluminium-zinc alloy metallic coated steel strip and sheet (plain).

The cold-rolled strip is coated by immersing it in a bath of molten aluminium, zinc, and control elements at a temperature suitable for producing a complete and uniformly adhering aluminium-zinc alloy metallic coating. Coated surfaces may be subjected to treatments such as temper mill pass, surface passivation, or other coatings for a variety of reasons. The chemical composition of the base steel must meet IS 513 requirements.