汽轮机厚壁铸件用碳钢和低合金钢

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

汽轮机厚壁铸件用碳钢和低合金钢关键字： 牌号钢种化学成分（除示出范围者外为最大值）（%）力学性能（最低值）CMnSiPSMoCrVσs/MPaσb/MPaδ(%)φ(%)1碳钢0.350.700.600.0350.030?48525020.035.02Mo0.5%0.250.700.600.0350.0300.45~0.6545024022.035.05Cr0.5%Mo0.5%0.250.700.600.0350.0300.40~0.600.40~0.70?48527522.035.06Cr1.25%Mo0.5%0.20以下0.50~0.800.600.0350.0300.45~0.651.00~1.50?48531022.035.08Cr1%Mol%,V0.13~0.200.50~0.900.20~0.600.0350.0300.90~1.201.00~1.500.05~0.1555034518.045.09Cr1%Mol%,V0.13~0.200.50~0.900.20~0.600.0350.0300.90~1.201.00~1.500.20~0.3558541515.045.010Cr2.25%Mol%0.20以下0.50~0.800.20~0.600.0350.0300.90~1.202.00~2.75?58538020.035.0