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品名：冷成型热轧酸洗汽车结构钢
材质：QSTE380TM
产地：宝钢
化学成分（熔炼分析）%
C : ≤0.12
Mn : ≤1.40
P : ≤0.03
S : ≤0.025
Ait: ≥0.01
试样测试（ 拉伸、弯曲、试样为横向 ；Mpa ）
屈服：≥380
抗拉：450-590
延伸：≥23
使用范围：
本牌号系列为细晶粒钢，具有良好冷成型性。用于要求良好的冷成型性能并有较高或高强度要求的汽车大梁、横梁等汽车结构件。
Supply of high-strength automotive steel QSTE380TMName: Cold forming automotive structural steel hot-rolled pickled
Material: QSTE380TM
Origin: Baosteel
Chemical composition (heat analysis)%
C: ≤ 0.12
Mn: ≤ 1.40
P: ≤ 0.03
S: ≤ 0.025
Ait: ≥ 0.01
Sample test (tensile, bending, the sample is horizontal; Mpa)
Yield: ≥ 380
Tensile :450-590
Extension: ≥ 23
Use:
The series is fine-grained steel grades with good cold formability. For applications requiring good cold formability and have a high or high strength requirements for automobile
