Longitudinal submerged-arc welded steel pipe for high pressure service at high temperatures
全国钢标准化技术委员会(SAC/TC 183)
本标准规定了高温高压管道用直缝埋弧焊接钢管(以下简称钢管)的术语和定义、订货内容、尺寸、外形、重量及允许偏差、技术要求、试验方法、检验规则以及包装、标志和质量证明书。
本标准适用于石油炼化和煤化工高温高压管道用碳钢和合金钢直缝埋弧焊接钢管。
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