IS 4923:1968 is the Indian Standard (BIS) for woven wire fences. Specification for hot-formed and cold-formed carbon steel square, rectangular, and circular hollow sections intended for structural use, commonly used in structural framing, space frames, and heavy-duty barrier structures.
Lays down recommendations for the erection of woven wire fences, including materials and workmanship.
Overview
- Status
- Current
- Usage level
- Frequently Used
- Domain
- Structural Engineering — Fencing, Gates and Barriers
- Type
- Specification
Also on InfraLens for IS 4923
BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.
Practical Notes
! Note: While sometimes grouped under 'Fencing and Gates' due to its common application as structural posts and barrier rails, IS 4923 strictly specifies hollow steel sections (RHS/SHS/CHS).
! Ensure to specify the correct yield stress grade (YSt 210, 240, or 310) during procurement to meet structural design requirements.
! Cold formed sections may require stress relieving depending on the application and extensive welding requirements.
Frequently referenced clauses
steelhollow sectionsstructural steelcarbon steel
International Equivalents
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International Comparison — Coming Soon
We're adding equivalent international standards for this code.
Key Values6
Quick Reference Values
Yield Stress (YSt 210)210 MPa
Yield Stress (YSt 240)240 MPa
Yield Stress (YSt 310)310 MPa
Tensile Strength (YSt 310)450 MPa
Maximum Sulphur content0.050 %
Maximum Phosphorus content0.050 %
Tables & Referenced Sections
Key Tables
Table 1 - Chemical Composition
Table 2 - Mechanical Properties
Table 3 - Dimensions and Properties of Square Hollow Sections
Key Clauses
Clause 4 - Designation
Clause 6 - Tolerances
Clause 8 - Mechanical Properties
Clause 9 - Tests
Frequently Asked Questions3
What are the common structural grades in IS 4923?+
The standard specifies three main grades based on yield stress: YSt 210, YSt 240, and YSt 310.
Are these steel sections suitable for structural welding?+
Yes, they are manufactured with controlled carbon equivalent values to be suitable for welding under standard structural conditions.
What is the standard tolerance on outside dimensions for square sections?+
Typically ±1% of the specified dimension, subject to a minimum of ±0.5 mm.
QA/QC Inspection Templates
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QA/QC templates coming soon for this code.