本标准规定了结构钢冷拉和冷拉磨光钢材的分类、订货内容、尺寸、外形及允许偏差、技术要求、试验方法、检验规则、包装、标志和质量证明书。
本标准适用于优质碳素结构钢和合金结构钢冷拉钢棒(圆钢、方钢和六角钢)和冷拉磨光圆钢(以下统称“钢材”)。
This standard specifies the classification, ordering information, dimensions, shape and tolerances, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of structural steel colddrawn ,as well as colddrawn and polished bars.
This standard is applicable to quality carbon structural steel and alloy structural steel colddrawn bars (round, square and hexagonal bars), as well as colddrawn and polished round bars (hereinafter referred to as steel bars).
本标准规定了结构钢冷拉和磨光钢材的分类、订货内容、尺寸、外形及允许偏差、技术要求、试验方法、检验规则、包装、标志及质量证明书。 本标准适用于优质碳素结构钢和合金结构钢(圆钢、方钢和六角形钢)冷拉钢棒。