Download or read book GB T 6728 2017 Translated English of Chinese Standard GBT 6728 2017 GB T6728 2017 GBT6728 2017 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-08-10 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the ordering content, classification, code, cross-section, dimension and permissible deviation, length and permissible deviation, shape, weight and permissible deviation, technical requirements and marking example of cold forming hollow sectional steel for general structure. This Standard is applicable to round, rectangular and square cold forming hollow sectional steel (hereinafter referred to as sectional steel) made of cold-rolled or hot-rolled steel plates, sheets and strips on continuous roll cold forming units. It is also applicable to continuous hot-dip plated sectional steel. However, it is not applicable to sectional steel made by drawing, stamping, bending, etc., and sectional steel made of galvanized steel plates, sheets and strips which are cold-formed and welded.