BIS CERTIFICATION FOR COLD REDUCED ELECTROLYTIC CHROMIUM
IS 12591:2018

This Standard specifies the requirements for single and double cold-reduced electrolytic chromium/chromium oxide-coated steel (ECCS) sheets or coils for subsequent sheet cutting. Single-reduced ECCS is specified in nominal thicknesses in multiples of 0.005 mm, ranging from 0.17 mm to 0.49 mm. Double reduced ECCS is specified in nominal thicknesses that are multiples of 0.005 mm, ranging from 0.14 mm to 0.29 mm. This International Standard applies to coils and sheets cut from coils with nominal minimum widths of 500 mm.

Single reduced ECCS is defined in terms of a temper classification based on the Rockwell HR30Tm hardness values specified in the standard for the purposes of this International Standard. The characteristics specified in the standard shall be used to identify single-reduced material covered by this International Standard.

The mechanical properties of double-reduced ECCS that comply with this International Standard are designated in terms of a system of mechanical property classifications based on the 0.2 Proof stress given in the standard for the purposes of this International Standard. The characteristics specified in the standard shall be used to identify double-reduced material covered by this International Standard.

The manufacturer is responsible for the ECCS manufacturing methods, which are not specified in this International Standard. If the method of manufacture is changed in any way that affects the properties of the ECCS, the purchaser will be notified.

Single cold-reduced ECCS can be supplied with a smooth, stone, or shot blast finish, which must be specified at the time of ordering. Typically, double cold-reduced ECCS is supplied with a stone surface finish.

Standard grade ECCS must meet the applicable standard requirements. Sample sheets shall be selected from consignments in accordance with the method specified when tests are performed to verify compliance with the requirements of the standard.

Marking:

Marking shall be done in accordance with IS 12591:2018. The material may also be marked with Standard Mark (ISI Mark). 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.

ALSO READ: BIS QCO for the Steel and Steel Products (Cold reduced electrolytic chromium / Chromium oxide – coated steel)

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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