汽车结构钢板SAPH440 SAPH400

冷成型热轧汽车结构钢板，本系列为细晶粒钢，具有良好冷成型性，比如牌号：SAPH440 　　产 地 ：宝钢 　　执行标准：Q/BQB 310-2009 (参考JIS G3113 ) 　　化学成分（熔炼分析）% 　　C : ≤0.21 　　Si : ≤0.06 　　Mn : ≤1.20 　　P : ≤0.030 　　S : ≤0.025 　　Alt ：≥0.01 　　拉伸试样（ 拉伸、弯曲、试样为纵向 ；Mpa ） 　　屈服：≥305 　　抗拉：≥440 　　延伸：≥30 　　使用范围：用于要求成型加工性能的汽车构架、车轮等汽车结构件.

Automobile structure steel SAPH440 SAPH400

Cold forming steel hot-rolled automobile structure, this series of fine grained steel, excellent cold formability, such as the brand: SAPH440 producing ground: baosteel executive standard: 310-2009 - Q/BQB (refer to JIS G3113) chemical composition (% of smelting) C: Si: 0.21 or less or less 0.06 Mn: 1.20 or less P: S: 0.030 or less or less Alt 0.025:0.01 or higher tensile specimens (tensile, bending, sample is in the longitudinal direction; Mpa) yield: 305 or higher tensile: P 440 extension: 30 or higher to use scope: used for forming performance of vehicles, such as frame, wheels, car structure.