Nov 07, 2019 · Allibaba Com MS ERW Weld Square & Rectangular Steel Pipe, US $ 520 - 620 / Ton, API, ASTM, bs, GB, JIS, API 5CT, API 5L, ASTM A106-2006, BS 7, GB/T 3090-2000, JIS G3446-2004, 10#-45#, 16mn, API J55-API P110, Q195-Q345, 10#, 20#, 16mn, API J55, Q235, Q345, Q195, Q215, 2 - 16 mm.Source from Tianjin Credit Import And Export Trading Co., Ltd. on .
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Class A pipes are generally welded with ordinary carbon steel Q235, Q235F and common low-alloy structural steel 16Mn. Class B pipes are welded with Q235, Q235F, Q195 and other steels, and are used as low-pressure fluid delivery pipes. b. Spiral seam high-frequency welded steel pipe Spiral seam high-frequency welded steel pipe, there is no 16MnR Seamless Square Steel Pipe-China Jasmine Metal JIS, AISI, ASTM, GB, DIN, BS, etc.Welded pipe/tube:Standard:ASTM A106, ASTM A53, API 5L Gr.B, DIN17175,DIN1629:Outer Dia:20mm-610mm:Wall Thickness:4mm-70mm:Dia Tolerance:Control with in the standard, OD:+-1%, WT:+-10%:Materials:10#,20#, 45#,16Mn,A106(B,C),A53(A,B),API J55,API K55,Q235,Q345,ST35.8,ST37,ST42,ST45,ST52:Inspection:ISO,BV,SGS,MTC:Packing