This document specifies the order information, dimensions, shapes, masses, technical requirements, test methods, inspection rules, packaging, marking and quality certification of the welded austenitic-ferritic(duplex)stainless steel tubes for heat exchanger.
This document is applicable to the welded austenitic-ferritic(duplex)stainless steel tubes (Hereinafter referred to as steel tubes)for heat exchanger.
定价: 312元 / 折扣价: 266 元 加购物车
This part of GB/T 21833 specifies ordering information,dimensions,shapes,masses,technical requirements,test methods,inspection rules,packaging,marking and quality certification of seamless austenitic-ferritic (duplex) stainless steel tubes for heat exchanger.
This part is applicable to seamless austenitic-ferritic (duplex) stainless steel tubes (hereafter referred to as tubes) for heat exchanger.
定价: 456元 / 折扣价: 388 元 加购物车
This part of GB/T 21833 specifies ordering information,dimensions,shapes,mass,technical requirements,test methods,inspection rules,packaging,marking and quality certification of seamless austenitic-ferritic (duplex) stainless steel pipes for fluid service.
This part is applicable to seamless austenitic-ferritic (duplex) stainless steel pipes (Hereafter referred to as pipes) for fluid service.
定价: 456元 / 折扣价: 388 元 加购物车
This standard specifies classification, symbol, ordering information, dimensions, shapes, masses, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of seamless stainless steel tubes and pipes for the industrial furnace of petroleum and chemical hydrogenation unit.
This standard is applicable to the seamless stainless steel tubes and pipes with an outside diameter from 68 mm to 273 mm (hereinafter referred to tubes) for the industrial furnace of petroleum and chemical hydrogenation unit.
定价: 516元 / 折扣价: 439 元 加购物车
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400-168-0010






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