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1、гост977—1998?碳素鑄鋼和合金鑄鋼碳素鑄鋼和合金鑄鋼標準對照表:標準內(nèi)容:5.7.1碳素鑄鋼和合金鑄鋼(1)俄羅斯的ГOCT標準碳素鑄鋼[ГOCT977—1998]a.碳素鑄鋼的鋼號與化學成分,見表5-121。表5-121碳素鑄鋼的鋼號與化學成分(質(zhì)量分數(shù))(%)鋼號CSiMnP≤S≤CrNiMo其他15Л0.12~0.200.20~0.520.45~0.900.0400.040≤0.30≤0.30—Cu≤0.3020Л0.17~0.250.20~0.520.45~0.900.0400.040≤0.30≤0.30—Cu≤0.3025Л0.22~0.300.2
2、0~0.520.45~0.900.0400.040≤0.30≤0.30—Cu≤0.3030Л0.27~0.350.20~0.520.45~0.900.0400.040≤0.30≤0.30—Cu≤0.3035Л0.32~0.400.20~0.520.45~0.900.0400.040≤0.30≤0.30—Cu≤0.3040Л0.37~0.450.20~0.520.45~0.900.0400.040≤0.30≤0.30—Cu≤0.3045Л0.42~0.500.20~0.520.45~0.900.0400.040≤0.30≤0.30—Cu≤0.3050Л0.47~0.55
3、0.20~0.520.45~0.900.0400.040≤0.30≤0.30—Cu≤0.30b.碳素鑄鋼的力學性能,見表5-122。表5-122碳素鑄鋼的力學性能鋼號熱處理狀態(tài)力學性能(不小于)σb/MPaσs/Mpaδ(%)ψ(%)aK/(J/cm2)15ЛⅠ392196243549.120ЛⅠ412216223549.125ЛⅠⅡ4414912352941922303339.234.330ЛⅠⅡ4714912552941717303034.334.335ЛⅠ491275152534.3Ⅱ540343162029.440ЛⅠⅡ52054029434314142520
4、29.429.445ЛⅠⅡ5405893103921210202029.424.550ЛⅠⅡ5697363343921114202024.529.4(2)俄羅斯ГOCT標準合金鑄鋼[ГOCT977—1988]a.合金鑄鋼的鋼號與化學成分,見表5-123。表5-123合金鑄鋼的鋼號與化學成分(質(zhì)量分數(shù))(%)鋼號CSiMnP≤S≤CrNiMo其他20ГЛ0.15~0.250.20~0.401.20~1.600.0400.040————35ГЛ300.30~0.400.20~0.401.20~1.600.0400.040————20ГСЛ0.16~0.220.60~0.8
5、01.00~1.300.0300.030————30ГСЛ0.25~0.350.60~0.801.00~1.400.0400.040————20ГФЛ0.16~0.250.20~0.500.90~1.400.0500.050———V0.06~0.12Ti≤0.0520ФЛ0.14~0.250.20~0.520.70~1.200.0500.050———V0.06~0.1230XГCФЛ0.25~0.350.40~0.601.00~1.500.0500.050~——V0.06~0.1245ФЛ0.42~0.500.20~0.520.40~0.90①①~——V0.05~0.
6、10Ti≤0.0332X06Л0.25~0.350.20~0.400.40~0.900.0500.050~———40XЛ0.35~0.450.20~0.400.40~0.900.0400.040~———20XMЛ0.15~0.250.20~0.400.40~0.900.0400.040—~—20XMФЛ0.18~0.250.20~0.400.60~0.900.250.25~—~V0.02~0.3020ГHXMФЛ0.14~0.220.20~0.400.70~1.200.0300.030~~~V0.06~0.1235XMЛ0.30~0.400.20~0.400.40~0
7、.900.0400.040~—~30XHMЛ0.25~0.350.20~0.400.40~0.900.0400.040—~~35XTCЛ0.30~0.400.60~0.801.00~1.300.0400.040~——35HГMЛ0.32~0.420.20~0.400.80~1.200.0400.040—~~20ДXЛ0.15~0.250.20~0.400.50~0.800.0400.040~——Cu1.40~1.6008ГДHФЛ≤0.100.15~0.400.60~1.000.0350.035—~—Cu0.80~1.20V0.0113XHДФTЛ≤