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CMo1V1模具钢棒 |
CMo1V1 1简介 CMo1V1是国际上较广泛应用的高碳高铬冷作模具钢,属莱氏体钢,具有高的淬透性、淬硬性和高的耐磨性;高温抗氧化性能好,淬火和抛光后抗锈蚀能力好,热处理变形小。 国产模具钢:CMo1V1 对应美国AST:T30402(UNS) 对应日本JIS:SKD11 对应德国DIN,DINEN:X155CrVMo121 对应英国BS,BSN:BD2 标准:GB/T 1299-2000 2化学成份牌号 | 化学成份,%(m/m) | C | Si | Mn | P | S | Cr | W | Mo | V | 其它 | CMo1V1 | 1.40-1.60 | ≤0.60 | ≤0.60 | ≤0.030 | ≤0.030 | 11.00-13.00 |
| 0.70-1.20 | 0.5-1.10 | Co:≤1.00 | 3性能硬度 :退火,≤255HB,压痕直径≥3.8mm;淬火,≥59HRC CMo1V1钢的物理性能如表2-2-1和表2-2-2所示,弹性模量为207000MPa,质量定压热容Cp为461J/(kg·K)。 表2-2-1 CMo1V1 钢的临界温度 临界点 | Ac1 | Acm | Ar1 | Arcm | Ms | 温度(近似值)/℃ | 810 | 875 | 750 | 695 | 190 |
表2-2-2 CMo1V1钢的线(膨)胀系数 温度/℃ | 20~100 | 20~200 | 20~300 | 20~400 | 线(膨)胀系数/℃-1 | 10.5×10-6 | 11.5×10-6 | 11.9×10-6 | 12.2×10-6 | 4适用范围CMo1V1宜制造各种高精度、长寿命的冷作模具、刃具和量具,例如:形状复杂的冲孔凹模、冷挤压模、滚丝轮、搓丝轮、冷剪切刀和精密量具等. 5处理规范热处理规范:淬火,820±15℃预热,1000±6℃(盐浴)或1010±6℃(炉控气氛)加热,保温10~20min,空冷,200±6℃回火。钢材以退火状态交货。 |
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