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 Chinese4cr5w2vsi
 
Cr5W2VSi 4Cr5W2VSi air-hardening steel is a hot work die steel. It has a high thermal strength, hardness, wear resistance, toughness and good thermal fatigue performance under temperature. Using ESR, can more effectively improve the performance of the lateral steel. The steel used in the manufacture of hot extrusion die and mandrel, aluminum, zinc and other light metal die casting, hot forging structural steel and heat-resistant steel used in tools and forming certain parts used in high-speed hammer mold.
  物理性能 　　4Cr5W2VSi钢的物理性能示于表3-7-2～表3-7-4。
 
　　表3-7-2 4Cr5W2VSi钢的临界温度
 
　　
临界点 Ac1 Ac3 Ar1 Ar3 Ms Mf
温度（近似值）/℃ 800 875 730 840 275 90
 
　　表3-7-3 4Cr5W2VSi钢的线（膨）胀系数
 
　　
温度/℃ 22～100 22～200 22～500 22～600
线（膨）胀系数/℃ 7.6×10 8.7×10 11.6×10 12×10
 
　　表3-7-4 4Cr5W2VSi钢的弹性模量
 
　　
温度/℃ 20 100 200 300 400 500 600
弹性模量E/MPa 230000 226000 210000 210000 203000 192000 178000
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·Die steel mould industry is one of the most important technology and material basis2024-04-29
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·China's steel demand essence cannot change its spots Release of steel production2024-04-29
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