上海至联钢铁供应ST44-3G高强度板。
牌 号 化学成分(熔炼分析) % (质量分数) C Mn P S Alt St37-2G ≤0.17 ≤1.00 ≤0.035 ≤0.030 ≥0.015 St44-3G ≤0.20 ≤1.30 ≤0.035 ≤0.030 ≥0.015 St52-3G ≤0.20 ≤1.60 ≤0.035 ≤0.030 ≥0.015