This Standard specifies classification and code, order information, size, appearance and weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificate of quality carbon structural steel bars. This Standard is applicable to hot-rolled or forged quality carbon structural steel bars of which nominal diameter or thickness is not greater than 250 mm. Hot- rolled or forged quality carbon structural steel bars of which nominal diameter or thickness is greater than 250 mm shall also be supplied, as agreed between the buyer and the supplier (hereinafter referred to as steel bars) The designations and chemical composition specified in this Standard are also applicable to steel ingots, steel billets, steels and its products of other cross- sections.
Basic Data
Standard ID
GB/T 699-1999 (GB/T699-1999)
Description (Translated English)
[Replaced by GB/T 699-2015] Quality carbon structural steels
This standard specifies the size of the hot-rolled or forged quality carbon structural steel, shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking and quality certificate.
