This standard specifies the classification and designation, ordering information, dimensions, shape, mass, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of quality carbon structure steel bars.
This standard applies to hotrolled and forged quality carbon structure steel bars with nominal diameter or thickness not greater than 250 mm.Quality carbon structure steel bars (hereinafter referred to as steel bars) with nominal diameter or thickness greater than 250 mm may also be supplied upon agreement between the purchaser and the manufacturer.
The steel grades and chemical composition specified in this standard also apply to steel ingots, billets, blooms, steel products with other crosssections and their products.
定价: 252元 / 折扣价: 215 元 加购物车
This standard specifies the order requirements, manufacture processes, technical requirements, inspection rules, testing methods, acceptance, quality certificates, markings and packaging of heavy carbon structural steel forgings for mechanical products for general purposes.
This standard is applicable to the ordering, production and inspection of heavy carbon structural steel forgings for general purposes.
定价: 456元 / 折扣价: 388 元 加购物车