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X50CrMnNiNbN21-9(1.4882)阀门用钢规格:圆棒,钢板
X50CrMnNiNbN21-9(1.4882)阀门用钢特点:耐磨、耐腐蚀
X50CrMnNiNbN21-9(1.4882)阀门用钢化学成分
碳C:0.45-0.55
硅Si≤0.45
锰Mn:8.0-12.0
磷P≤0.045
硫S≤0.030
铬Cr:20.0-22.0
镍Ni:3.50-5.0
钨W:0.80-1.50
铌Nb:1.80-2.50
氮N:0.40-0.60