By adding Ni, Si, P, and other trace elements to the copper base, C19010 exhibits high strength, elasticity, excellent conductivity, stress relaxation resistance, and stress corrosion resistance. It is applied in the electrical field, such as connector terminals, lead frames, automotive connectors, springs, etc.
| Grade | Chemical composition（%）≤ | Thickness (mm) |
||||
| ASTM | Ni | Si | P | 0.08-5.0 | ||
| C19010 | 0.8-1.8 | 0.15-0.35 | 0.01-0.05 | |||
| Physical properties | ||||||
| Density (g/cm³) |
Modulus of elasticity (GPa) |
Thermal expansion coefficient (×10-6/K) |
Electrical conductivity (%IACS) |
Thermal conductivity W(m·K) |
||
| 8.8 | 127 | 16.8 | 50 | 250 | ||
| Mechanical properties | Bend properties | |||||
| Temper | Hardness HV |
Tension test | 90°R/T(Thick＜0.8mm) | |||
| Tensile Strength Rm/MPa |
Yield Strength MPa |
Elongation % |
Good way | Bad way | ||
| TM02 | 120-155 | 410-490 | ≥320 | ≥14 | 0.0 | 0.0 |
| TM03 | 140-165 | 460-520 | ≥340 | ≥12 | 0.0 | 0.0 |
| TM04 | 145-175 | 490-550 | ≥410 | ≥11 | 0.0 | 0.0 |
| TM06 | 150-180 | 520-590 | ≥440 | ≥9 | 0.5 | 0.5 |
| TM08 | 170-200 | 580-650 | ≥540 | ≥8 | 1.0 | 1.0 |
| TM10 | 180-220 | ≥620 | ≥580 | ≥5 | 1.5 | 1.5 |
| TM10S | ≥180 | ≥620 | ≥580 | ≥8 | 1.0 | 1.0 |
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