GB/T 50818-2013
石油天然气管道工程全自动超声波检测技术规范
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Scope as published
本规范适用于低碳钢或低合金钢、6mm～50mm管道壁厚、大于lOOmm公称直径、环向对接接头的石油天然气管道工程的全自动超声波现场检测与质量评定。
The original Chinese text is authoritative; this excerpt is retained as catalogue metadata, not a translated normative requirement.
Version history
Earlier editions: None recorded
Later editions: None recorded
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