GB 912 pdf download.Hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels.
This standard sets the requirements for the testing methods, inspection rules, packaging, marking, dimensions, appearance, weight, technical requirements, permissible tolerance, content of orders and quality certificates of hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels.
This standard applies to hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels with a thickness of less than 3mm.
PS:This is probably a rough draft, because I haven’t seen the specific version number.