ASTM A53 Gr. B ERW schedule 40 black carbon steel pipe used for oil and gas pipeline, US $ 680 - 750 / Ton, ASTM, bs, GB, ASTM A53-2007, BS 7, BS 1139, BS EN10025, BS EN 39, BS EN10219, GB/T 3091-2001, GB/T3091, BS7, ASTM A53, EN39, BS1139 and so on, 10#-45#, Q195-Q345, 45#, Q235, Q345, Q195, 1.3 - 10 mm.Source from Tianjin Youfa International Trade Co., Ltd. on .
Bs 7 Astm A53 Stainless Weld Hot Dipped Galvanized BS1139 Hot Dip Galvanized Scaffolding Steel Pipe Sino East Steel Enterprise Co., Ltd. as a leading China steel products manufacturer specialized in production of high quality steel series products and located in Tianjin.
China Square Pipe catalog of Square Steel Pipe for Window, Hot Dipped Galvanized Square Pipe provided by China manufacturer - Tianjin Tianyingtai Steel Pipe Co., Ltd., page1.
Structure Steel PipeStructure Pipe,ERW Pipe, High Frequency Weld Pipe, Structural Steel Tube, CS Pipe,structure steel pipe,ERW HFW steel pipe,high frequency weld pipe,circular hollow section,CHS . Size Range. Outside diameter:33mm 660mm; Wall thickness:1.2mm 25mm . Material Steel GradeHot Dip Galvanized Pipe EN39 BS1139 ChinaHot Dip Galvanzied Pipe EN39 BS1139. The raw materials of products come from well-known steel factory in China. Every production process strictly implements the ISO management system to ensure the good quality of each steel pipe.