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常用焊接结构用铸钢的化学成分及碳当量上限值

作者：bearingpower        发表时间：2010-12-12

常用焊接结构用铸钢的化学成分及碳当量上限值关键字： 标准牌号CMnSiPS残余元素碳当量NiCrCuMoV总量国际标准（ISO3755-1991）200~400W0.251.000.600.0350.0350.400.350.400.150.051.0230~450W0.251.200.600.0350.0350.400.350.400.150.051.0 270~480W0.251.200.600.0350.0350.400.350.400.150.051.0 340~550W0.251.500.600.0350.0350.400.350.400.150.051.0 我国标准（GB/T7659-1987）ZG200~400H0.200.800.500.040.040.300.300.300.150.050.80.38ZG230~450H0.221.200.500.040.040.300.300.300.150.050.80.43ZG270~485H0.251.200.500.040.040.300.300.300.150.050.80.45日本标准（JISG5102-1991）SCW4100.221.500.800.040.04 0.40SCW4500.221.500.800.040.04 0.43SCW4800.221.500.800.040.040.500.50 0.45SCW5500.221.500.800.040.042.500.50 0.300.20 0.48SCW6200.221.500.800.040.042.500.50 0.300.20 0.50美国标准（ASTMA216-1998）WCA0.250.700.600.040.0450.500.400.500.250.031.00.50WCB0.301.000.600.040.0450.500.400.500.250.031.00.50WCC0.251.200.600.040.0450.500.400.500.250.031.00.55

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