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In annealed(O) , half hard (HB) and full hard (HD) condition

Transformers
Control Panel
Rectifier
Furnace
Heavy Electrical EngineeringAs Per IS-613 , IS-4171 Standards
| Material Description | Standard | % Chemical Composition | Temper | Mechanical Properites | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| IS | Cu +Ag min | As max | p max | Pb max | fe max | Ni max | Oxygen | Other Element max | Tensile mpa | Elongation % | Hardness HV | Electric Conductivity | ||
| ETP copper rods & Bars for Electrical purpose | IS 613 | 99.90 | ---- | ---- | ---- | ---- | ---- | 0.045 | 0.03 | Hard /HD | 320 Min | 12 Min | 90 MIN | 97 |
| Half hard /HB | 250 MIN | 18 Min | 70/90 | 97 | ||||||||||
| Annealed /O | 240 Max | 40 Min | 60 Max | 99.25 | ||||||||||
| coper Wire & Rods for genral engineering purpose | IS 4171 | 99.50 | 0.05 | 0.015/0.06 | 0.01 | 0.03 | 0.1 | — | 0.06 | As Manufactured | 230Min | 13 Min | NA | NA |
| Half hard /Hb | ---- | ---- | ---- | ---- | ||||||||||
| Annealed /O | 260 Min | 33 Min | NA | NA | ||||||||||