典型用途
航空航天：衬套、轴承
工业：轴承、滚动轴承成型模具、土方设备液压衬套、阀球、阀门零件（低温）
| CDA | ASTM | SAE | AMS | Federal | Military | Other |
|---|---|---|---|---|---|---|
| C63020 | B150 B150M |
4590 |
Chemical Composition
| Cu% | Pb% | Sn% | Zn% | Fe% | Ni%1 | Al% | Co% | Cr% | Mn% | Si% | |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Chemical Composition according to ASTM 4590
1Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min. Single values represent maximums.
|
|||||||||||
Rem. |
0.03 |
0.25 |
0.30 |
4.00- 5.50 |
4.20- 6.00 |
10.00- 11.00 |
0.20 |
0.05 |
1.50 |
0.15 |
|
Machinability
| Copper Alloy UNS No. | Machinability Rating | Density (lb/in3 at 68 °F) | Density (gm/in3 at 20 °C) |
|---|---|---|---|
| C63020 | 0.275 | 7.6 |
Mechanical Properties
Mechanical Properties according AMS 4590
C63020
TQ50 Quenched and Tempered
SIZE RANGE: UP TO 1" DIAMETER INCLUSIVE
| Tensile Strength, min | Yield Strength, at 0.2% Offset, min | Elongation, in 2 inches (50.8 mm) or 4D, min, min | Rockwell "C" Hardness | Remarks | ||
|---|---|---|---|---|---|---|
| ksi | MPa | ksi | MPa | % | min HRC | |
| 135 | 931 | 100 | 689 | 6 | 26 | |
Physical Properties
| US Customary | Metric | |
|---|---|---|
| Melting Point - Liquidus | 1940° to 1967 °F | 1060° to 1075 °C |
| Density | 0.274 lb/in3 at 68 °F | 7.6 gm/cm3 at 20 °C |
| Specific Gravity | 7.6 | 7.6 |
| Electrical Resistivity | 132.33 ohms-cmil/ft at 68 °F | 22.0 microhm-cm at 20 °C |
| Thermal Conductivity | 31.2 Btu/sq ft/ft hr/°F at 68 °F | 54.0 W/m at 20 °C |
| Coefficient of Thermal Expansion 68-572 | 9.4 · 10-6 per °F (68-572 °F) | 17.0 · 10-6 per °C (20-300 °C) |