钢中典型金相组织1、铁素体:成分:C0.03%,Si0.33%,Mn0.22%,P0.014%,S0.012%热处理:950℃退火2、珠光体+铁素体成分:C0.44%,Si0.19%,Mn0.73%,P0.022%,S0.011%热处理:930℃退火3、珠光体成分:C0.86%,Si0.17%,Mn0.22%,P0.011%,S0.004%热处理:950℃退火4、珠光体+网状渗碳体成分:C1.13%,Si0.17%,Mn0.45%,P0.022%,S0.009%热处理:900℃退火5、球状渗碳体成分:C1.13%,Si0.17%,Mn0.45%,P0.022%,S0.009%热处理:780℃退火1小时后徐冷6、马氏体成分:C0.81%,Si0.25%,Mn0.36%,P0.014%,S0.009%热处理:850℃水淬7、屈氏体成分:C0.81%,Si0.25%,Mn0.36%,P0.014%,S0.009%热处理:850℃水淬后,350℃回火8、索氏体成分:C0.81%,Si0.18%,Mn0.33%,P0.022%,S0.014%热处理:820℃水淬;580℃回火9、上贝氏体成分:C0.84%,Si0.29%,Mn0.40%,P0.012%,S0.008%热处理:930℃奥氏体化后放入400℃盐浴炉中等温处理10s后水冷10、下贝氏体成分:C0.74%,Si0.44%,Mn0.76%,P0.021%,S0.058%热处理:880-890℃奥氏体化后放入290-300℃盐浴炉中等温处理15分钟后水冷11、残留奥氏体成分:C1.13%,Si0.17%,Mn0.45%,P0.022%,S0.009%热处理:1030℃油冷12、马氏体+球状渗碳体成分:C1.13%,Si0.17%,Mn0.45%,P0.022%,S0.009%热处理:球化珠光体组织加热到800℃水冷,100℃回火13、屈氏体+马氏体成分:C0.41%,Si0.25%,Mn0.73%,P0.015%,S0.011%热处理:850℃油冷14、马氏体+铁素体成分:C0.33%,Si0.17%,Mn0.74%,P0.027%,S0.015%热处理:从950℃炉冷到750℃后水淬15、魏氏组织成分:C0.33%,Si0.17%,Mn0.74%,P0.027%,S0.015%热处理:从1280℃加热1小时后空冷16、渗碳组织成分:C0.16%,Si0.26%,Mn0.53%,P0.018%,S0.019%热处理:在890℃加热2小时固体渗碳后徐冷渗碳层全貌边部过渡区心部17、脱碳组织成分:C0.81%,Si0.18%,Mn0.33%,P0.022%,S0.014%热处理:在氧化铝中960℃加热2.5小时炉冷脱碳层全貌边部过渡层心部