本文件规定了冷成型用可焊接高屈服强度板材和宽扁材的要求。 它不适用于其他国际标准所涵盖的可焊接结构钢，无论是否具有特殊质量，即:-结构钢:ISO 630（所有零件）；-高屈服强度扁钢产品:ISO 4950-1、ISO 4950-2和ISO 4950-3；-具有更高屈服强度和更好成形性的热轧钢板:ISO 5951；-薄板和带材:参考ISO/TC 17，钢，SC 12，连续轧机平轧产品；-管状产品；参考ISO/TC 5，黑色金属管道和金属配件，SC 1，钢管。交叉引用:ISO 7438ISO 377ISO 14284ISO 10474ISO 7452ISO 148-1ISO 17577ISO 9034ISO 4885ISO 4948-1ISO 6892-1ISO 404ISO/TS 494949ISO 4948-2ISO 6929ISO 7788ISO 2566-1ISO/TR 9769ISO 4950-2ISO 630（所有部分）ASTM A656MISO 4950- 3ISO 4950-1ISO 5951购买本文件时可获得的所有现行修订均包含在购买本文件中。

This document specifies the requirements for weldable high yield strength plates and wide flats for cold forming. It does not apply to weldable structural steels, whether or not of special quality, which are covered by other International Standards, namely:— structural steels: ISO 630 (all parts);— high yield strength flat steel products: ISO 4950-1, ISO 4950-2 and ISO 4950-3;— hot-rolled steel sheet of higher yield strength with improved formability: ISO 5951;— sheet and strip: refer to ISO/TC 17,Steel, SC 12, Continuous mill flat rolled products;— tubular products; refer to ISO/TC 5,Ferrous metal pipes and metallic fittings, SC 1, Steel tubes.Cross References:ISO 7438ISO 377ISO 14284ISO 10474ISO 7452ISO 148-1ISO 17577ISO 9034ISO 4885ISO 4948-1ISO 6892-1ISO 404ISO/TS 4949ISO 4948-2ISO 6929ISO 7788ISO 2566-1ISO/TR 9769ISO 4950-2ISO 630 (all parts)ASTM A656MISO 4950-3ISO 4950-1ISO 5951All current amendments available at time of purchase are included with the purchase of this document.