This standard specifies classification, symbols, ordering information, dimensions, shapes, masses, tolerances, technical requirements, rust-proof treatment, test methods, inspection rules, packing, marking and quality certification of the seamless steel tubes for high pressure feedwater heater.
This standard is applicable to the seamless straight, U-bent and serpentine steel tubes ( hereinafter referred to as steel tube ) for high pressure feedwater heater.
定价: 360元 / 折扣价: 306 元 加购物车
This standard specifies classification, designations , dimensions, shapes, masses, technical requirements, test pieces, test methods, inspection rules, packaging, marking and quality certification of the seamless steel tubes and pipes for high pressure boiler.
This standard is applicable to the seamless steel tubes and pipes for steam boilers and pipelines with high pressure and above.
定价: 588元 / 折扣价: 500 元 加购物车