X50CrMnNiNbN21-9(1.4882)德國閥門鋼、X50CrMnNiNbN21-9(1.4882)進(jìn)口閥門用鋼、X50CrMnNiNbN21-9(1.4882)閥門用鋼棒、X50CrMnNiNbN21-9(1.4882)閥門用鋼板、X50CrMnNiNbN21-9(1.4882)閥門用鋼價(jià)格、X50CrMnNiNbN21-9(1.4882)閥門用鋼性能、X50CrMnNiNbN21-9(1.4882)閥門用鋼鋼號(hào)、X50CrMnNiNbN21-9(1.4882)閥門用鋼成分、X50CrMnNiNbN21-9(1.4882)閥門用鋼用途、X50CrMnNiNbN21-9(1.4882)閥門用鋼廠家
X50CrMnNiNbN21-9(1.4882)閥門用鋼規(guī)格:圓棒,鋼板
X50CrMnNiNbN21-9(1.4882)閥門用鋼特點(diǎn):耐磨、耐腐蝕
X50CrMnNiNbN21-9(1.4882)閥門用鋼化學(xué)成分
碳C:0.45-0.55
硅Si≤0.45
錳Mn:8.0-12.0
磷P≤0.045
硫S≤0.030
鉻Cr:20.0-22.0
鎳Ni:3.50-5.0
鎢W:0.80-1.50
鈮Nb:1.80-2.50
氮N:0.40-0.60