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C63020镍铝青铜回火
阅读次数：174发布时间：2021/10/27 17:41:52
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) |
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