Shanghai Unique Alloy Co.Ltd
Focus on Copper Alloy
Casting Special Copper Alloy C99750
Chemical Composition
Element | |||||||
---|---|---|---|---|---|---|---|
Cu(1) | Pb | Zn | Fe | Ni | Al | Mn | |
(1) Cu + Sum of Named Elements 99.7% min. | |||||||
Min (%) | 55.0 | 0.50 | 17.0 | 0.25 | 17.0 | ||
Max (%) | 61.0 | 2.5 | 23.0 | 1.0 | 5.0 | 3.0 | 23.0 |
Physical Properties
Melting Point - Liquidus°F | 1550 |
---|---|
Melting Point - Solidus°F | 1505 |
Densitylb/cu in. at 68°F | 0.29 |
Specific Gravity | 8.03 |
Electrical Conductivity% IACS at 68°F | 2 |
Coefficient of Thermal Expansion 68-39210-6 per °F (68 – 392°F) | 13.5 |
Specific Heat CapacityBtu/ lb /°F at 68°F | 0.09 |
Modulus of Elasticity in Tensionksi | 17000 |
Casting Characteristics
Casting Attribute | Level |
---|---|
Casting Yield | High |
Drossing | Low |
Fluidity | High |
Gassing | Low |
Shrinkage in Solidification | Medium |
Fabrication Properties
Technique | Suitability |
---|---|
Soldering | Good |
Brazing | Good |
Oxyacetylene Welding | Not Recommended |
Gas Shielded Arc Welding | Fair |
Coated Metal Arc Welding | Not Recommended |
Machinability Rating | 80 |
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