$10
Seamless steel tubes for low and medium pressure boiler
NEQ ISO 9329-1:1989
全国钢标准化技术委员会
本标准规定了低中压锅炉用无缝钢管的订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志和质量证明书。
本标准适用于制造各种低压和中压锅炉用的优质碳素结构钢无缝钢管。
This standard is the original Chinese electronic standard.
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If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.