X45SiCr4阀门钢_ X45SiCr4_DIN 1.4704_X45SiCr4德国不锈耐热钢名称:阀门钢材料号:1.4704牌号:X45SiCr4标准: 490●X45SiCr4特性及应用:X45SiCr4不锈钢,德国DIN标准阀门钢钢号。●X45SiCr4化学成分:碳 C:0.40~0.50硅 Si:3.50~4.50锰 Mn:≤1.00磷 P:≤0.045硫 S:≤0.030铬 Cr:2.50~3.00
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