25Cr2Mov合金結(jié)構(gòu)鋼
  25Cr2MoV力學(xué)性能: 
  抗拉強(qiáng)度 σb (MPa):1090,屈服強(qiáng)度 σs (MPa):1042,伸長率 δ5 (％):18,斷面收縮率 ψ (％):63,沖擊韌性值 αku (J/cm2):213,硬度:308HB. 
  25Cr2MoV熱處理規(guī)范： 
  890℃,30min,油淬;670℃,60min,回火,空冷。  
  25Cr2MoV金相組織： 
  火索氏體。 
  25Cr2MoV化學(xué)成分: 
  25Cr2MoV含碳C 0.22～0.29 ,硅Si 0.17～0.37,錳Mn 0.40～0.70,硫S≤0.035,磷P≤0.035,鉻Cr 1.50～1.80,釩V 0.15～0.30,鉬Mo 0.25～0.35.