IS 12313:1988

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 12313:1988 for hot dip terne coated carbon steel sheets.

This standard specifies the requirements for terne-coated carbon steel sheets used in the automotive industry, as a roofing material, and in other similar applications. The sheet's thickness should be between 0.3 and 2.0 mm. Other than this, the thickness can be agreed upon between the purchaser and the manufacturer.

The terne sheet in cut lengths must be free from laminations, surface flaws, and other imperfections that would be detrimental to subsequent appropriate processing. Testing shall be done to ensure that the product meets the standard requirements.


The following tests shall be carried out in accordance with the method specified.

  1. Mechanical test
    • Tensile test
    • Bend test
  2. Coating tests
    • Mass of coating
    • Bend test
  3. Chemical analysis


Marking shall be done as per IS 12313:1988. The tag attached to Terne sheets shall be marked with information as specified in the standard. The standard mark (ISI Mark) shall also apply to the material.

The Manufacturer 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.

isi mark


For Detailed Information about the Procedure for BIS ISI Certification


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.

Aleph INDIA has been serving the industry as a single-window operator for all product regulatory compliance. We can assist importers or manufacturers in meeting all criteria for importing or selling a product in the Indian market.

Know more about certification process, Request a callback Click here

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