BIS CERTIFICATION FOR STEEL WIRE FOR COLD FORGED RIVETS
IS 7557:1982

This standard specifies the requirements for steel wire with a diameter of up to 20 mm for the manufacture of structural cold forged rivets.

Steel wire shall be made from open hearth, electric, duplex, basic oxygen, or a combination of these processes. If the manufacturer uses another process, the purchaser's prior approval is required. IS 8910:1978 specifies general requirements for the supply of steel wires. Steel must be delivered semi-killed or killed. Steel wires must be drawn accurately and cleanly to the dimensions and tolerances specified. The finished material must be free of surface and internal flaws that would be detrimental to the material's end-use.

TESTS

Tests shall be carried out in accordance with the specified standard.

• Chemical composition
• Freedom from defects
• Dimensional tolerances
• Heat Treatment
• Tensile test
• Shear strength
• Bend test

Packing and Marking:

Packing and marking shall be done as per IS 7557:1982. Each coil of wire shall be compactly bound and fastened, and a metal tag bearing the manufacturer's name or trade mark, cast number, diameter, mass, and condition of the wire shall be attached. Standard Mark (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, Visit :

1. Procedure for Domestic Manufacturer
2. Procedure for Foreign Manufacturer

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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