st37-3特种钢板-低合金高强度钢板
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S235J2W化学成分:S235J2W碳 C:≤0.13S235J2W硅 Si:≤0.40S235J2W锰 Mn:0.20-0.60S235J2W磷 P:≤0.035S235J2W硫 S:≤0.030S235J2W铬 Cr:0.40-0.80S235J2W镍 Ni:≤0.65S235J2W铜 Cu:0.25-0.55S235J2W现货:S235J2W圆钢:6-300mmS235J2W钢板:3-100mm