Corson Alloy
See highlights and applications
Corson alloys
| C7025 | Chemical compositions | Cu-3.0Ni-0.65Si-0.15Mg |
|---|---|---|
| Highlights | Global standard Corson alloy designed for high efficiency lead frames and connectors | |
| Applications | Connectors, Lead frames, CPU sockets |
| NKC164 | Chemical compositions | Cu-1.6Ni-0.4Si-0.5Sn-0.4Zn |  |
|---|---|---|---|
| Highlights | Corson alloy desigend for electric components with high bend formability | ||
| Applications | Wire harness, Connectors |
| NKC1816 | Chemical compositions | Cu-1.8Ni-1.1Co-0.6Si-0.1Cr | |
|---|---|---|---|
| Highlights | Corson alloy designed for high efficiency connectors | ||
| Applications | Connectors, CPU sockets for the next generation |
| NKC286 | Chemical compositions | Cu-2.8Ni-0.6Si-0.5Sn-0.4Zn | |
|---|---|---|---|
| Highlights | Corson alloy desigend for in-vehicle electric components with high mechanical strength | ||
| Applications | Connectors, Wire harness |
| NKC388 | Chemical compositions | Cu-3.8Ni-0.8Si-0.1Mg-0.13Mn | |
|---|---|---|---|
| Highlights | Corson alloy designed for high efficiency connectors | ||
| Applications | Connectors, Switches |
See Chemical compositions and properties
Chemical compositions and properties
| Copper Alloy Name | Cu-Ni-Si | |||||||
|---|---|---|---|---|---|---|---|---|
| C7025 | NKC164 | NKC 1816 |
NKC286 | NKC 388 |
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| Chemical Composition (wt%) | Cu : Rest Ni : 3.0 Si : 0.65 Mg : 0.15 |
Cu : Rest Ni : 1.6 Si : 0.4 Sn : 0.5 Zn : 0.4 |
Cu : Rest Ni : 1.0～ 2.5 Co : 1.0～ 1.5 Si : 0.45～ 1.0 Cr : 0.08～ 0.2 Mg : less than 0.10 |
Cu : Rest Ni : 2.8 Si : 0.6 Sn : 0.5 Zn : 0.4 |
Cu : Rest Ni : 3.4～ 4.2 Si : 0.70～ 1.0 Mg : 0.05～ 0.3 Mn : 0.05～ 0.15 |
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| Physical Properties | Specific Gravity (g/cm3) | 8.82 | 8.87 | 8.72 | 8.87 | 8.82 | ||
| Modulus of Elasticity (MPa) | 131,000 | 127,000 | 125,000 | 127,000 | 123,000 | |||
| Electrical Conductivity (%IACS @20℃) | 45 | 43 | EH : 50 SH : 45 ESH : 40 |
41 | 40 | |||
| Poisson's Ratio | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | |||
| Mechanical Properties ※Standard specs. |
Tensile Strength (MPa) | O | - | - | - | - | - | - |
| 1/4H | - | - | - | - | - | - | ||
| 1/2H | TR02 | 607-726 | 560 -680 |
- | 710-840 | - | ||
| H | TM02 | 650-740 | 620 -740 |
- | 760-890 | - | ||
| EH | TM03 | 680-760 | 680- 800 |
740-860 | 810-940 | 810- 910 |
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| SH | TM04 | 750-840 | - | 800-920 | - | 890- 990 |
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| ESH | TM04S | 710-830 | - | 860-960 | - | 950-1100 | ||
| XSH | - | - | - | - | - | - | ||
| 0.2% Yield Strength (MPa) | O | - | - | - | - | - | - | |
| 1/4H | - | - | - | - | - | - | ||
| 1/2H | TR02 | 550min | 520- 670 |
- | 690-830 | - | ||
| H | TM02 | 585min | 580- 730 |
- | 740-880 | - | ||
| EH | TM03 | 655min | 640- 790 |
710-830 | 790-930 | 770- 870 |
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| SH | TM04 | 740min | - | 770-890 | - | 860- 960 |
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| ESH | TM04S | 700min | - | 830-930 | - | 920-1070 | ||
| XSH | - | - | - | - | - | - | ||
| Elongation (%) | O | - | - | - | - | - | - | |
| 1/4H | - | - | - | - | - | - | ||
| 1/2H | TR02 | 6.0min | 5min | - | 3min | - | ||
| H | TM02 | 10.0min | 3min | - | 2min | - | ||
| EH | TM03 | 5.0min | 1min | 1.0min | 1min | 1.0min | ||
| SH | TM04 | 1.0min | - | 1.0min | - | 1.0min | ||
| ESH | TM04S | 1.0min | - | 1.0min | - | 1.0min | ||
| XSH | - | - | - | - | - | - | ||
| Vickers Hardness (Hv) | O | - | - | - | - | - | - | |
| 1/4H | - | - | - | - | - | - | ||
| 1/2H | TR02 | 180-220 | 160- 230 |
- | 200-270 | - | ||
| H | TM02 | 190-240 | 170- 240 |
- | 210-280 | - | ||
| EH | TM03 | 200-250 | 200- 270 |
- | 230-300 | - | ||
| SH | TM04 | 225-275 | - | - | - | - | ||
| ESH | TM04S | 210-260 | - | - | - | - | ||
| XSH | - | - | - | - | - | - | ||
| Bend Formability ※Badway90°W bend Width=10mm data |
Minimum Bend Radius / t Badway | 1/2H | TR02 | 4.0 | 0.0 | - | 0.0 | - |
| H | TM02 | 0.0 | 0.0 | - | 0.5 | - | ||
| EH | TM03 | 1.0 | 1.5 | - | 1.7 | 1.0 | ||
| SH | TM04 | 5.0 | - | 1.0 (t= 0.08mm) |
- | 1.5 | ||
| ESH | TM04S | 1.0 (t= 0.1mm) |
- | 1.5 (t= 0.08mm) |
- | 1.0 (t= 0.08mm) |
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