Hollow Steel Sections for Structural Use — Specification (Second Revision)
IS code: IS 4923:2017
Description
IS 4923:2017 is an Indian Standard that specifies the requirements for hollow steel sections used for structural purposes. This standard provides guidelines for the manufacture, dimensions, material properties, and testing of hollow steel sections, which are commonly used in various structural applications in construction and engineering.
Some of the key aspects covered by IS 4923:2017 include:
1. Scope:
The standard defines the scope and purpose, which is to establish requirements for the manufacture and supply of hollow steel sections for structural use.
2. Material Properties:
It specifies the material properties of the steel used in the manufacture of these sections, including the chemical composition and mechanical properties (such as tensile strength, yield strength, and elongation).
3. Dimensions and Tolerances:
IS 4923 provides guidelines for the dimensions and tolerances of hollow steel sections. This includes information on various shapes, sizes, and wall thicknesses of sections.
4. Manufacturing Process:
The standard may include information on the manufacturing process, including requirements for welding or other joining methods used to create the hollow sections.
5. Surface Finish:
It may specify requirements for the surface finish of the sections, such as smoothness and freedom from defects.
Test Required for IS 4923:2017
Chemical analysis of steel used for making hollow sections
Mechanical Test
Mass of Zinc Coating
Coating Thickness
Dimension
Weight
Conclusions:
If a product falls within the purview of the BIS Conformity Assessment Scheme, it is mandatory for manufacturers, importers, and foreign entities to acquire BIS ISI Certification. The Bureau reserves the right to revoke the license in cases where the product does not meet the certification prerequisites.
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