1.GB/T 12459, ASME B36.19 carbon steel pipe fittings 2.1/8" to 48" 3.Carbon/Stainless/Alloy Steel ... 5.competitive GB/T 12459, ASME B36.19 carbon steel pipe fittingsSize: 1/2"-48", DN15 to 2000Thickness: SCH20-SCH160/STD ... : Yanshan County, Cangzhou , Hebei Province, ChinaOur corporation provides professionally produced pipe fittings which are widely used in chemical industry, gas transport, ship ...