Cable Armouring
Round Wire
IS 3975:1999 certified galvanized round wire for power, control, and telecommunication cable armouring. Manufactured with precision dimensional tolerance and electrical resistivity control.
Product Specifications
Technical Specifications
Standard
IS 3975:1999
Size Range
1.25 mm to 4.00 mm (7 sizes)
Tensile Strength
300 – 500 MPa
Resistivity (Max)
14.5 Ohm-cm × 10⁻⁶
Elongation
10% Minimum
Raw Material
High-quality low carbon steel
IS 3975 Size & Mechanical Specifications
| Size (mm) | Tolerance (± mm) | Tensile (MPa) | Elongation % Min. | Resistivity (Max) |
|---|---|---|---|---|
| 1.25 | 0.035 | 300–500 | 10 | 14.5 |
| 1.40 | 0.040 | 300–500 | 10 | 14.5 |
| 1.60 | 0.045 | 300–500 | 10 | 14.5 |
| 2.00 | 0.050 | 300–500 | 10 | 14.5 |
| 2.50 | 0.065 | 300–500 | 10 | 14.5 |
| 3.15 | 0.080 | 300–500 | 10 | 14.5 |
| 4.00 | 0.100 | 300–500 | 10 | 14.5 |
Applications
Power cablesControl cablesInstrumentation cablesCommunication cablesUnderground cable networksIndustrial infrastructure projects
Quality Testing
Copper Sulfate Dip Test
No copper deposition before min. dips
IS 3975Torsion Test
Min. 15 cycles without fracture
IS 3975Zinc Adhesion
Weight meets minimum spec
IS 3975Need Cable Armouring Wire?
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