Chinese Standard: GB/T 31939-2015

Hot-rolled steel plates(sheets)and strips for coal mine refuge chamber

全国钢标准化技术委员会(SAC/TC 183)

本标准规定了矿用救生舱用热轧钢板和钢带的牌号表示方法、订货内容、尺寸、外形、重量及允许偏差、技术要求、试验方法、检验规则、包装、标志及质量证明书。

本标准适用于厚度为3 mm～20 mm的热轧钢板和钢带(以下简称钢板和钢带)。

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