Download or read book GB T 25048 2019 Translated English of Chinese Standard GBT 25048 2019 GB T25048 2019 GBT25048 2019 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-10-12 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the metallic tube ring tensile test methods that stretch the sample until it breaks to expose the surface and internal defects of the sample. This Standard can also be used to evaluate the ductility of metallic tube. This Standard is applicable to the metallic tube, of which the outer diameter is more than 150 mm, the wall thickness is not more than 40 mm and the inner diameter is more than 100 mm.