Welded steel pipes for low pressure liquid delivery
NEQ ISO 559:1991
全国钢标准化技术委员会(SAC/TC 183)
本标准规定了低压流体输送用焊接钢管的尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志及质量证明书。
本标准适用于水、空气、采暖蒸汽和燃气等低压流体输送用直缝电焊钢管、直缝埋弧焊（SAWL）钢管和螺旋缝埋弧焊（SAWH）钢管，并对它们的不同要求分别做了标注，未标注的同时适用于直缝高频电焊钢管、直缝埋弧焊钢管和螺旋缝埋弧焊钢管。
This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
