SAPH440是什么材料 SAPH440的执行标准 SAPH440的技术标准详细介绍

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SAPH系列汽车结构用钢Automobile Structural Steel SAPH

SAPH系列汽车结构钢强度高、成形性好;尺寸精度高、表面质量好，广泛用于各种车型的纵梁、横梁以及角撑等结构件。 经酸洗可部分代替冷轧产品。

SAPH series of automobile structural steels he high strength, good formability, high dimensional precision and good surface quality, and are widely used in various types of longitudinal beams, crossbeams and braces. After pickling, they can partly replace the cold rolled products.

可供牌号、供货标准及用途Available Steel Brand, Delivery Standard & Function

产品尺寸Product Size

化学成分(Wt%)Chemical Composition

力学性能Mechanical Property

可供牌号、供货标准及用途Available Steel Brand, Delivery Standard & Function

冷弯易成型用薄规格高强度钢Cold-forming Light Gauge High Strength Steel

本系列产品采用***的热连轧及csp工艺生产，以热轧状态交货。具有厚度薄、强度高、延伸性好、冷成形性能与焊接性 能优良的特点，与同等强度冷轧钢相比,成形性能更好，且成本相对较低。适用于客车车辆、特种汽车、集装箱、轻钢结构等。

This series of products is manufactured with hot continuous rolling and CSP process and delivered in hot rolling condition. It has the characteristics of thin thickness, high strength, and perfect extensibility, excellent cold forming performance and welding performance. Compared with the cold rolled steel of the same strength, it has better forming performance and relatively low cost. It is suitable for passenger vehicles, special vehicles, containers, light steel structures, etc.

产品尺寸

注：1）拉伸试验屈服现象不明显时,可采用為.2；2）厚度<6mm时,不做冲击试验;3）厚度m8mm的S700MC,屈服强度下限值允许比标准值降低20MPa。

Remarks:1）When the yield of tensile test is not obvious, RPM can be adopted; 2） when the thickness is less than 6mm, the impact test is not carried out; 3） for S700MC with the thickness N 8mm, the Yield Strength Bottom Limit is allowed to be 20MPa lower than the standard value.

注:①厚度m8mm的WYS700,屈服强度下限值允许比标准值降低20MPa；②厚度<6mm时，不做冲击试验。

Remarks: ? ForWYS700 with thicknessm 8mm, the Yield Strength Bottom Limit is allowed to be 20MPa lower than ihe standard value. ?When the thickness is less than 6mm, the impact testis not carried out.