BIS CERTIFICATION FOR STRUCTURAL STEEL
IS 15911:2010

This standard specifies the requirements of low tensile structural steel such as a plain round of all sizes, square of all sizes, flat bar of all sizes, angles up to 50 mmx50mmx10mm, tee section up to 100mmx100mmx12mm, and channels up to 100mmx60mmx12mm.

This standard's structural steel is intended for general purposes such as door and window frames, window bars, grills, steel gates, hand railing, building hardware, fencing post, and tie bars, and shall not be applicable for dynamic loading other than wind loads, such as platform roofs, footover bridges, office buildings, and so on.

The steel shall be classified into three grades: E165, E170, and E215.

The processes used in steel production and further hot rolling into steel strips, sections, flats, bars, etc., are left to the manufacturer’s discretion. Steel must be killed or semi-killed, and all finished steel must be well and thoroughly rolled. The chemical composition must be in accordance with applicable standards. The general requirements for structural steel supply must conform to IS 8910.

TESTS

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

• Tensile test
• Bend test

Marking:

With the exception of round, square, and hexagonal bars and flats, each product must have a tag or be marked with the manufacturer's name or trade mark. The standard mark (ISI Mark) may also be applied 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.

ALSO READ: BIS QCO for the Steel and Steel Products (Structural Steel (Ordinary Quality)-Specification)

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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