标准编号：ISO 5951:2008
中文名称：改进成形性的高屈服强度热轧薄钢板
英文名称：Hot-rolled steel sheet of higher yield strength with improved formability
发布日期：2008-08
标准范围
1.1 This International Standard applies to all grades of continuously hot-rolled steel sheet of higher yieldstrength with improved formability. The steel is killed, made according to a fine grain practice and has asuitable chemical composition, including microalloying elements, to provide improved formability The productis intended for the fabrication of parts requiring better formability than is provided by normal high yield strengthsteel sheet. It is generally used in the delivered condition.1.2 Because of the combination of higher strength and improved formability, it is possible to obtain savingsin mass along with better weldability.1.3 This product is commonly produced in the range of thicknesses of 1 mm to 6 mm and in widths of600 mm and over, in coils and cut lengths.1.4 Hot-rolled sheet less than 600 mm wide may be slit from wide sheet and will be considered as sheet.NOTE Hot-rolled sheet up to but not including 3 mm in thickness is commonly known as sheet. Hot-rolled sheet3 mm and over in thickness is commonly known as either 'sheet" or "plate"1.5 This International Standard does not cover steel intended for boilers or pressure vessels, steelsdesignated as commercial quality or drawing quality (covered in ISO 3573), steels designated as weatheringsteels, having increased atmospheric corrosion resistance, or lower yield strength steels having lessformability compared with those in this International Standard (covered in ISO 4995 and ISO 4996)
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