BIS CERTIFICATION FOR MILD STEEL WIRE ROD
IS 2255:1977

This standard specifies the requirements for mild steel wire rods for the manufacture of wires that comply with IS 1673:1973 used in the manufacture of machine screws or threaded fasteners.

The general requirements for material supply shall be as specified in IS 1387:1967. Steel for wire rods shall be produced using an open hearth, an electric furnace, basic oxygen, or a combination of these processes. If the basic oxygen process is used to manufacture the steel, the nitrogen content must not exceed 0.007 percent. Steel can be supplied in semi-killed, killed, or rimming conditions, depending on the specifications provided at the time of enquiry and order.

Wire rods must be delivered in either straight lengths or coils. Wire rods must be delivered in a rolled or annealed state of nominal size as specified by the purchaser. The finished material must be free of surface defects and internal flaws that would be detrimental to the material's end-use.

TESTS

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

• Chemical composition
• Size and Tolerances
• Freedom from defects

Packing and marking:

Packing and marking shall be done as per IS 2255:1977. Each coil or bundle of wire must be compactly bound or fastened. Each coil or bundle of wire rods must be marked with the size of the wire rod, the mass of the coil or bundle, the date of manufacture, and the manufacturer's trade-mark or name. 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

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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