Purple copper strip C1220
C1220/R exhibits excellent machinability, ductility, weldability, corrosion resistance, weather resistance, and thermal conductivity. It does not undergo nitrogen embrittlement at high temperatures and has good weldability. It can be used for terminals, electromagnetic switches, vessel-type utensils for Western cuisine, pen holders, condenser tubes, air cushions, air conditioner cold plates, and printed circuit boards.
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Parameters
| State | Thickness（mm） | Tensile Strength σ<sub>b</sub> (MPa) | Elongation δ 10 (%) | Vickers Hardness（HV） | Standard |
| O | >0.2 | >195 | >30 | <70 | JIS H3100:2006 |
| 1/4H | 215~275 | >25 | 60~90 | ||
| 1/2H | 245~345 | >8 | 80~110 | ||
| H | >295 | >3 | >90 |
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