Download or read book GB T 28300 2012 Translated English of Chinese Standard GBT 28300 2012 GB T28300 2012 GBT28300 2012 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2017-11-17 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the terms and definitions, code, requirements, test, modification, etc. for the surface quality of hot-rolled bars and rods. This Standard is applicable to the surface quality classes of hot-rolled bars and rods with nominal dimension of 5mm ~ 150mm. The hot-rolled bars and rods with nominal dimension greater than 150mm can also be applicable through the negotiation between the supplier and the purchaser.