承压铸钢的钢号与化学成分 钢号 C Si Mn P ≤ S ≤ Cr Ni Mo 其他 碳素铸钢 ZG240-450A ≤0.25 ≤0.60 ≤1.20 0.035 0.035 — — — — ZG240-450AG ≤0.25 ≤0.60 ≤1.20 0.035 0.035 — — — — ZG240-450B ≤0.20 ≤0.60 1.00~1.60 0.035 0.035 — — — — ZG240-450BG ≤0.20 ≤0.60 1.00~1.60 0.035 0.035 — — — — ZG240-450BD ≤0.20 ≤0.60 1.00~1.60 0.030 0.030 — — — — ZG280-520 ≤0.25 ≤0.60 ≤1.20 0.035 0.035 — — — — ZG280-520G ≤0.25 ≤0.60 ≤1.20 0.035 0.035 — — — — ZG280-520D ≤0.25 ≤0.60 ≤1.20 0.030 0.030 — — — — 铁素体和马氏体合金铸钢 ZG19MoG 0.15~0.23 0.30~0.60 0.50~1.00 0.035 0.035 ≤0.30 — 0.40~0.60 — ZG29Cr1MoD ≤0.29 0.30~0.60 0.50~0.80 0.030 0.030 0.90~1.20 — 0.15~0.30 — ZG15Cr1MoG 0.10~0.20 0.30~0.60 0.40~0.70 0.035 0.035 1.00~1.50 — 0.45~0.65 — ZG14MoVG 0.100.300.50000.30≤0.0.40V 0.22~~0.17 ~0.60 ~0.80 .035 .035 ~0.60 40 ~0.60 0.32 ZG12Cr2Mo1G 0.08~0.15 0.30~0.60 0.50~0.80 0.035 0.035 2.00~2.50 — 0.90~1.20 — ZG16Cr2Mo1G 0.13~0.20 0.30~0.60 0.50~0.80 0.035 0.035 2.00~2.50 — 0.90~1.20 — ZG20Cr2Mo1D ≤0.20 0.30~0.60 0.50~0.80 0.030 0.030 2.00~2.50 — 0.90~1.20 — ZG17Cr1Mo1VG 0.13~0.20 0.30~0.60 0.50~0.80 0.035 0.035 1.20~1.60 — 0.90~1.20 V 0.15~0.35 ZG16Cr5MoG 0.12~0.19 ≤0.80 0.50~0.80 0.035 0.035 4.00~6.00 — 0.45~0.65 — ZG14Cr9Mo1G 0.10~0.17 ≤0.80 0.50~0.80 0.035 0.035 8.00~10.0 — 1.00~1.30 — ZG14Cr12Ni1M0.10≤0.≤1.0011.5≤1.≤0.— oG ~0.17 80 00 .035 .035 ~13.5 00 50 ZG08Cr12Ni1MoG 0.05~0.10 ≤0.80 0.40~0.80 0.035 0.035 11.5~13.5 0.80~1.80 0.20~0.50 — ZG08Cr12Ni4Mo1G ≤0.08 ≤1.00 ≤1.50 0.035 0.035 11.5~13.5 3.50~5.00 ≤1.00 — ZG08Cr12Ni4Mo1D ≤0.08 ≤1.00 ≤1.50 0.030 0.030 11.5~13.5 3.50~5.00 ≤1.00 — ZG23Cr12Mo1NiVG 0.20~0....