铸钢件化学成分标准

铸 钢 件 化 学 成 分 标 准 Q/SXB-04-2005-09牌 号SCSiMn2H SCSIMn1H SCSiMn34H SC450W SC450WL SC540W ZG40Mn2 ZG42SiMn ZG200-400(ZG15) ZG230-450(ZG25) ZG270-500(ZG35) ZG310-570(ZG45) ZG320-640(ZG55) 31Si2CrMoB SCMnCrMoB SCMnCrMo2 30SiMn 15Mn Q275 SCMn3B ZG35Mn

C0.40-0.47 0.28-0.35 0.30-0.37 0.15-0.25 0.13-0.17 0.12-0.18 0.37-0.44 0.37-0.44 0.12-0.22 0.22-0.32 0.32-0.42 0.42-0.52 0.52-0.62 0.27-0.35 0.27-0.34 0.28-0.34 0.25-0.35 0.12-0.19 0.28-0.38 0.30-0.40 0.32-0.40

Si0.30-0.80 0.30-0.80 0.30-0.80 0.30-0.60 0.30-0.60 0.30-0.60 0.17-0.37 0.60-0.80 0.20-0.45 0.20-0.45 0.20-0.45 0.20-0.45 0.20-0.45 1.50-1.90 0.30-0.60 0.3-0.5 0.60-0.80 0.17-0.37 ≤0.35 0.30-0.60 0.17-0.37

Mn0.70-1.40 0.70-1.40 1.20-1.90 0.5-0.80 0.80-1.00 1.4-1.7 1.2-1.60 1.1-1.40 0.35-0.65 0.50-0.80 0.50-0.80 0.50-0.80 0.5-0.80 0.30-0.70 1.0-1.40 1.35-1.55 1.0-1.40 0.70-1.0 0.5-0.80 1.00-1.30 0.70-1.00

S、P≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.025 ≤0.030 ≤0.04 ≤0.035 ≤0.045 ≤0.040

Ni≤0.50 ≤0.50 ≤0.50 ≤0.50 ≤0.50 ≤0.50

Cr≤0.30 ≤0.30 ≤0.30 ≤0.30 ≤0.30 ≤0.30 ≤0.30

Mo≤0.30 ≤0.30 ≤0.30 ≤0.15 ≤0.15 ≤0.15

Sn≤0.05 ≤0.07 ≤0.06 ≤0.10 ≤0.10 ≤0.10

Al0.03-0.08 0.03-0.08 0.03-0.08 0.03-0.08 0.03-0.08 0.03-0.08

Cu≤0.30 ≤0.30 ≤0.30 ≤0.30 ≤0.30 ≤0.30

DI50-70 45-65 70-92

备 注

0.50-0.80 0.5-0.70

0.05-0.2 0.15-0.25

0.35-0.55 0.25-0.35

≤0.035 ≤0.25

≤0.25

铸 钢 件 化 学 成 分 标 准

Q/SXB-04-2005-09