Structure Welded Steel Erw Galvanized Structural Square Tube Wall Thickness:0.5-30mm(SCH,STD,XS,XXS) Grade:Q195;Q235;Q345,ASTM A53/A106/A500 GR. A , ...
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ASTM A106 GrB black steel pipe erw steel pipe mild steel tube Thickness:1mm- 20mm Out Diameter:21.3mm-660mm Length:0.5mtr-22mtr(5.8/6/11.8/12 mete ...
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