歐洲閥門鋼及合金鋼號
EN10090
牌號 化學成分(質量分數)/% C Si Mn - - Cr Mo Ni Nb+Ta Ti 其他 NiCr20TiAl 0.04-0.10 ≤1.00 ≤1.00 0.02 0.015 18.0-21.0 - ≥65.0 - 1.80-2.70 Fe≤3.00/Cu≤0.20/Co≤2.00/B≤0.008/Al0.30-1.80 NiFe25Cr20NbTi 0.04-0.10 ≤1.00 ≤1.00 0.03 0.015 18.0-21.0 - - - 1.00-2.00 Fe23.0-28.0/Al0.30-1.00 X33CrNiMnN23-8 0.28-0.38 0.50-1.00 1.50-3.50 0.045 0.03 22.0-24.0 ≤0.50 7.00-9.00 - - W≤0.50/N0.25-0.35 X40CrSiMo10-2 0.35-0.45 2.00-3.00 ≤0.80 0.04 0.03 9.50-11.5 0.80-1.30 ≤0.50 - - - X45CrSi9-3 0.40-0.50 2.70-3.30 ≤0.60 0.04 0.03 8.00-10.0 - ≤0.50 - - - X50CrMnNiNbN21-9 0.45-0.55 ≤0.45 8.00-10.0 0.045 0.03 20.0-22.0 - 3.50-5.50 1.80-2.50 - W0.80-1.50/N0.40-0.60 X53CrMnNiN21-9 0.48-0.58 ≤0.25 8.00-10.1 0.045 0.03 20.0-22.0 - 3.25-4.50 - - N0.35-0.50 X53CrMnNiNbN21-9 0.48-0.58 ≤0.45 8.00-10.2 0.045 0.03 20.0-22.0 - 3.25-4.50 2.00-3.00 - N0.38-0.50/C+N≥0.90 X55CrMnNiN20-8 0.50-0.60 ≤0.25 7.00-10.0 0.045 0.03 19.5-21.5 - 1.50-2.75 - - N0.20-0.40 X85CrMoV18-2 0.80-0.90 ≤1.00 ≤1.50 0.04 0.03 16.5-18.5 2.00-2.50 - - - V0.30-0.60
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