ISO 9443:1991 热处理和合金钢.热轧圆棒材和线材的表面质量分类.交货技术条件
标准编号:ISO 9443:1991
中文名称:热处理和合金钢.热轧圆棒材和线材的表面质量分类.交货技术条件
英文名称:Heat-treatable and alloy steels — Surface quality classes for hot-rolled round bars and wire rods — Technical delivery conditions
发布日期:1991-11
标准范围
特别适用于工程应用的钢材,但经协议,也可适用于结构钢或工具钢。不包括表面脱碳允许深度的任何要求。附件A仅供参考。
Applies particularly to steels for engineering applications, but may, by agreement, also be applied to structural steels or tool steels. Does not include any requirements for the permissible depth of surface decarburization. Annex A is for information only.
标准预览图


