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  • 產品名稱：7crsimnmov模具鋼|7crsimnmov冷作鋼|7crsimnmov價格|7crsimnmov熱處理|7crsimnmov火焰鋼

  • 產品型號：7crsimnmov
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簡單介紹：
7crsimnmov模具鋼|7crsimnmov冷作鋼|7crsimnmov價格|7crsimnmov熱處理|7crsimnmov火焰鋼7crsimnmov模具鋼|7crsimnmov冷作鋼|7crsimnmov價格|7crsimnmov熱處理|7crsimnmov火焰鋼
詳情介紹：
7crsimnmov模具鋼|7crsimnmov冷作鋼|7crsimnmov價格|7crsimnmov熱處理|7crsimnmov火焰鋼7crsimnmov模具鋼|7crsimnmov冷作鋼|7crsimnmov價格|7crsimnmov熱處理|7crsimnmov火焰鋼7crsimnmov模具鋼，7crsimnmov模具鋼價格，7crsimnmov報價，7crsimnmov熱處理

　　　　 7CrSiMnMoV 
　　7CrSiMnMoV是一種火焰淬火冷作模具鋼，其淬火溫度范圍寬，過熱敏感性小，可用火焰加熱淬火，具有操作簡便，成本低，節約能源的優點。該鋼淬透性良好，空冷即可淬硬，其硬度可達HRC62~64且空冷淬火后變形小，該鋼不但強度高而且韌性優良。  CrSiMnMoV 
　　化學成分 　　7CrSiMnMoV鋼的化學成分示于表2-15-1。 　　7CrSiMnMoV鋼化學成分（GB/T 1229-2000）w/% 　　C Si Mn P S C Mo V  
0.65~0.75 0.85~1.15 0.65~1.05 ≤0.03 ≤0.03 0.90~1.20 0.20~0.50 0.15~0.30  
　　物理性能 　　7CrSiMnMoV鋼的物理性能示于表2-15-2和表2-15-3。 　　7CrSiMnMoV鋼的臨界溫度 　　臨界點 Acl Acm Arl Arm Ms  
溫度（近似值）/℃ 776 834 694 732 211  
　　表2-15-3 7CrSiMnMoV鋼的線（膨）脹系數 　　溫度/℃ 11~100 11~200 11~300 11~400 11~500 11~600  
線（膨）脹系數/℃-1 12.7×10-6 13.2×10-6 13.5×10-6 14.0×10-6 14.3×10-6 14.0×10-6  
　　熱加工 7CrSiMnMoV鋼的熱加工工藝示于表2-15-4。 　　7CrSiMnMoV鋼的熱加工工藝 　　項目 加熱溫度/℃ 開鍛溫度/℃ 終鍛溫度/℃ 冷卻方式  
鋼坯 1200 1100~1200 800~850 緩冷   7crsimnmov模具鋼|7crsimnmov冷作鋼|7crsimnmov價格|7crsimnmov熱處理|7crsimnmov火焰鋼7crsimnmov模具鋼|7crsimnmov冷作鋼|7crsimnmov價格|7crsimnmov熱處理|7crsimnmov火焰鋼
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