国内阀门材料常用技术标准 铜及铜合金拉制棒矩形棒材的力学性能
牌 号 | 状 态 | 高度/mm |
抗拉强度Rm/ (N/mm2) |
断后伸长率A/% |
不小于 | ||||
T2 | M | 3~80 | 196 | 36 |
Y | 3~80 | 245 | 9 | |
H62 | Y2 | 3~20 | 335 | 17 |
20~80 | 335 | 23 | ||
HPb59-1 | Y2 | 5~20 | 390 | 12 |
20~80 | 375 | 18 | ||
HPb63-3 | Y2 | 3~20 | 380 | 14 |
20~80 | 365 | 19 |
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