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C40950
Elements | |||||||
---|---|---|---|---|---|---|---|
Cu(1) | Pb | Sn | Zn | Fe | P | Ni(2) | |
(1) Cu + Sum of Named Elements 99.7% min. (2) Ni value includes Co. |
|||||||
Min (%) | 91.5 | .30 | .01 | .30 | |||
Max (%) | 94.5 | .05 | .8 | Rem | .03 | .08 | .8 |
Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.2% Offset (ksi) |
Elongation (%) |
Vickers Hardness, 3000 gm | Section Size (in) |
---|---|---|---|---|---|---|---|
* Measured at room temperature, 68°F (20°C). | |||||||
Strip | 1/2 Hard | H02 |
67 Min 73 Typ 80 Max |
64 Min 70 Typ 77 Max |
8 Typ |
160 Typ |
.01 |
Extra Hard | H06 |
78 Min 84 Typ 91 Max |
75 Min 81 Typ 90 Max |
3 Typ |
180 Typ |
.01 | |
Hard | H04 |
73 Min 78 Typ 86 Max |
70 Min 75 Typ 83 Max |
5 Typ |
170 Typ |
.01 |
Melting Point - Liquidus°F | 1940 |
---|---|
Melting Point - Solidus°F | 1904 |
Densitylb/cu in. at 68°F | 0.32 |
Specific Gravity | 8.8 |
Electrical Resistivity | 28 |
Electrical Conductivity% IACS at 68°F | 37 |
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F | 98 |
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) | 10 |
Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) | 10 |
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) | 10 |
Modulus of Elasticity in Tensionksi | 17400 |
Modulus of Rigidityksi | 6500 |
Technique | Suitability |
---|---|
Soldering | Excellent |
Brazing | Excellent |
Oxyacetylene Welding | Fair |
Gas Shielded Arc Welding | Good |
Coated Metal Arc Welding | Fair |
Spot Weld | Fair |
Seam Weld | Fair |
Butt Weld | Good |
Capacity for Being Cold Worked | Excellent |
Capacity for Being Hot Formed | Excellent |
Forgeability Rating | 60 |
Machinability Rating | 30 |
Common Fabrication Processes
Treatment | Minimum* | |||
---|---|---|---|---|
* Temperature is measured in Fahrenheit. | ||||
Annealing | 930 | |||
Hot Working Temperature | 1560 | |||
Stress Relief | 570 |
Product Category | Product | Reason Category | Reason |
---|---|---|---|
Automotive | Connectors, automotive | Forming Characteristics | Cold Workability |
Connectors, automotive | Stress Relaxation | Stress Relaxation Resistance | |
Electric & Electronic parts |
Applicable Specifications
Corrosion Properties