圖2-4-34...[繼續(xù)閱讀]

    圖2-4-35...[繼續(xù)閱讀]

    圖2-4-36...[繼續(xù)閱讀]

    圖2-4-37...[繼續(xù)閱讀]

    向鋼中加入能形成比錳與硫更穩(wěn)定的硫化物元素(鈦、鋯、鈣、稀土……)時(shí),結(jié)合成高熔點(diǎn)的不易變形的硫化物。圖2-4-38...[繼續(xù)閱讀]

    表2-4-3S,%Mn/S冷卻速度FeS中的S,%FeS中S占全S百分比,%0.0240.0240.0160.0160.0090.009202065656868慢冷快冷慢冷快冷慢冷快冷0.0020.007<0.0010.0025<0.0010.0043729<616<1048冷卻速度快時(shí)FeS含量高,連鑄坯中FeS比鋼錠中的FeS含量高。...[繼續(xù)閱讀]

    圖2-4-42...[繼續(xù)閱讀]

    圖2-4-43[C]=0.27%;平爐生產(chǎn)...[繼續(xù)閱讀]

    圖2-4-44[P],%:1—0.005;2—0.05;3—0.12;4—0.21...[繼續(xù)閱讀]

    圖2-4-45...[繼續(xù)閱讀]