摘要:Mn(-**C莱钢/热卷/热板Mn(-**C莱钢/热卷/热板信阳市。电缆内外护皮用。用于制造远洋、沿海和内河航运船舶的船体、甲板等的钢板。石家庄。抗压强度和屈强比较低。如般碳素钢Q钢的σs为MPa，而低合金钢Mn的σ[阅读全文]