Shanghai Unique Alloy Co.Ltd
Focus on Copper Alloy
Casting Special Copper Alloy White Manganese Brass C99700
Chemical Composition
| Element | ||||||||
|---|---|---|---|---|---|---|---|---|
| Cu(1) | Pb | Sn | Zn | Fe | Ni | Al | Mn | |
| (1) Cu + Sum of Named Elements 99.7% min. | ||||||||
| Min (%) | 54.0 | 19.0 | 4.0 | 0.50 | 11.0 | |||
| Max (%) | 2.0 | 1.0 | 25.0 | 1.0 | 6.0 | 3.0 | 15.0 | |
Mechanical Properties*
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Brinell Hardness, 3000 kg load | ||
|---|---|---|---|---|---|---|---|---|
| As Die Cast | As Pressure Die Cast | M04 | 65 Typ | 27 Typ | 15 Typ | 125 Typ | ||
| As Sand Cast | As Sand Cast | M01 | 55 Typ | 25 Typ | 25 Typ | 110 Typ | ||
| * Measured at room temperature, 68°F (20°C). | ||||||||
Physical Properties
| Melting Point - Liquidus°F | 1655 |
|---|---|
| Melting Point - Solidus°F | 1615 |
| Densitylb/cu in. at 68°F | 0.296 |
| Specific Gravity | 8.19 |
| Electrical Conductivity% IACS at 68°F | 3 |
| Modulus of Elasticity in Tensionksi | 16500 |
Casting Characteristics
| Casting Attribute | Level |
|---|---|
| Casting Yield | Medium |
| Drossing | Medium |
| Effect of Section Size | Low |
| Fluidity | High |
| Gassing | Low |
| Patternmakers Shrinkage | 4/16 |
| Shrinkage in Solidification | Medium |
Fabrication Properties
| Technique | Suitability |
|---|---|
| Soldering | Good |
| Brazing | Good |
| Oxyacetylene Welding | Good |
| Machinability Rating | 80 |
Common Fabrication Processes
- Casting
Thermal Properties
| Treatment | Minimum* | Value | Time | ||
|---|---|---|---|---|---|
| *Measured in Fahrenheit | |||||
| Stress Relief | 700 | ||||
| Solution Treatment | 0 | ||||
| Precipitation Treatment | 932 | ||||
| Annealing | 842 | ||||
