North Steel (Tianjin) Group Co., Ltd
Northgroup is headquartered in the beautiful port city ---Tianjin which is Asia's largest steel production distribution center. Its subsidiaries include Tianjin NorthPipeTradeCo., Ltd., Tianjin Putailian Stainless Steel Co., Ltd. and East Steel Group Limited.North&n
READ MOREThe scope of ASTM A106 and A53ASTM A53 specification covers the steel pipe manufacturingtypes in seamless and welded, material in carbon steel, black steel. Surface natural, black, and hot-dipped galvanized, zinc coated steel pipe. Diameters range fromNPS 1⁄8 to NPS 26 (10.3mm to 660mm)
National StandardsStainless Steel PipeStandardGB/T14975GB/T14976GB13296ApplicationIt is used for manufacture of mechanical structure, fluid tubes, superheaters of boiler, heat exchangers, condenser, catalytic tubes etc..Main Steel Tube Grades0Cr18Ni9, 0Cr25Ni20, 0Cr18Ni10Ti, 00Cr17Ni14Mo2, 0Cr18Ni12
National StandardsTube for Conveyance of FluidStandardGB/T8163ApplicationIt is used for conveyance of petroleum, natural gas and other common fluids.Main Steel Tube Grade10, 20, Q345, etc.Other grades can also be provided after consulting with customers.Chemical CompositionStandardGradeChemical Comp
National StandardsStructural TubeStandardGB/T8162ApplicationIt is used for common structures and mechanical structures.Main Steel Tube Grades10, 20, 35, 45, 16Mn, 12CrMo, 15CrMo, 12Cr1MoV etc.Chemical CompositionStandardGradeChemical Composition %CSiMnP, SCuNiMoCrGB/T8162100.07-0.140.17-0.370.35-0.6
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