Properties have been improved via heat treatment by Sağlam Metal.
Produced as an alternative to Cupro CNB alloy. Able to be used at least in all application areas of Cupro CNB.
Possesses a very high wear resistance both at room temperature and at elevated temperatures.
Cupro NSH CuNi3Si Chromium Nickel Silicon Copper Alloy
Electrical
Automotive Electrical Connectors
Contact springs
Electronic Connectors
Lead Frames
| Elements | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cu(1,2) | Pb | Zn | Fe | Ni(3) | Mg | Mn | Si | |
| (1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. (3) Ni value includes Co. |
||||||||
| Min (%) | 2.2 | 0.05 | 0.25 | |||||
| Max (%) | Rem | 0.05 | 1.0 | 0.20 | 4.2 | 0.30 | 0.10 | 1.2 |
| Form | Temper | Temper Code | Tensile Strength (ksi) |
Elongation (%) |
|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||
| Strip | Mill-hardened Temper, TM – 3/4 HM | TM03 | 100 Min for Standard | 5 Typ |
| Mill-hardened Temper, TM – 1/2 Hard | TM00 | 90 Min for Standard | 10 Typ | |
| Mill-hardened Temper, TM – 1/2 Hard | TM02 | 95 Min for Standard | 7 Typ | |
| Melting Point – Liquidus°F | 2003 |
|---|---|
| Melting Point – Solidus°F | 1967 |
| Densitylb/cu in. at 68°F | 0.318 |
| Specific Gravity | 8.82 |
| Electrical Conductivity% IACS at 68°F | 35 (1) |
| Electrical Conductivity% IACS at 68°F | 40 (2) |
| Electrical Conductivity% IACS at 68°F | 40 (3) |
| Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 97.5 |
| Modulus of Elasticity in Tensionksi | 19000a |
No fabrication properties for this alloy.
| Form | Specific Sub-Form | Application | System | Standard | Description |
|---|---|---|---|---|---|
| Sheet & Strip | ASTM | B422/B422M | COPPER-ALUMINUM-SILICON-COBALT ALLOY AND COPPER-NICKEL-ALUMINUM-SILICON ALLOY SHEET AND STRIP | ||
| Strip | ASTM | B888/B88M | COPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS |
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