国内阀门材料常用技术标准 铜合金铸件技术条件、铜合金铸件力学性能
| 序号 |
合金牌号
|
铸造方法 | 力学性能,不低于 | |||
|
抗拉强度/ MPa |
屈服强度/ MPa |
伸长率/ % |
布氏硬度/ HB |
|||
| 1 | ZCuSn3Zn11Pb4 | S | 175 | 8 | 590 | |
| J | 215 | 10 | 590 | |||
| 2 | ZCuSn5Pb5Zn5 | S、J | 200 | 90 | 13 | 590* |
| 3 | ZCuSn10Pb1 | S | 220 | 130 | 3 | 785* |
| J | 310 | 170 | 2 | 885* | ||
| 4 | ZCuSn10Zn2 | S | 240 | 120 | 12 | 685* |
| J | 245 | 140* | 6 | 785* | ||
| 5 | ZCuAl9Mn2 | S | 390 | 20 | 835 | |
| J | 440 | 20 | 930 | |||
| 6 | ZCuAl10Fe3 | S | 490 | 180 | 13 | 890* |
| J | 540 | 200 | 15 | 1080* | ||
| 7 | ZCuZn25Al6Fe3Mn3 | S | 725 | 380 | 10 | 1570* |
| J | 740 | 400* | 7 | 1665* | ||
| 8 | ZCuZn38Mn2Pb2 | S | 245 | 10 | 685 | |
| J | 345 | 18 | 785 | |||
| 9 | ZCuZn33Pb2 | S | 180 | 70* | 12 | 490* |
| 10 | ZCuZn40Pb2 | S | 220 | 15 | 785* | |
| J | 280 | 120 | 20 | 885* | ||
| 11 | ZCuZn16Si4 | S | 345 | 15 | 885 | |
| J | 390 | 20 | 980 | |||
|
注1:有“*”符号的数据为参考值。 注2:布氏硬度试验力的单位为牛顿。 |
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