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SKH-59
美标(JIS G4403)
性能及应用:
SKH-59高速钢为钼系高碳含钴超硬型高速工具钢,硬度高,可达70HRC,热硬性好,高温硬度高,容易磨削。由于H-59高速工具钢可磨削性能好,所以可用来制造各种高精度复杂刀具。
SKH-59高速钢供货硬度:
退火≤HB280;冷轧≤HB320
SKH-59高速钢化学成分:
C碳 1.05-1.15
Si硅 ≤0.70
Cr铬 3.50-4.50
Mn锰 ≤0.40
Mo钼 9.0-10.0
Co钴 7.75-8.50
W钨 1.20-1.90
V矾 1.20-1.90
P磷 ≤0.030
S硫 ≤0.030
![](http://i03.c.aliimg.com/img/ibank/2010/184/112/202211481_1613372104.jpg)
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