Chinese Standard: GB/T 3078-2019

Quality structural steel cold drawn bars

全国钢标准化技术委员会(SAC/TC 183)

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”)。

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