Despriciton: User rating 5/5Price Range $620 - $850Q345b Black Square Carbon Welded tube - Seamless SteelDescription q235b q345b qualified welded square carbon ; ASTM A500 Black square hollow section for construction ASTM A500 Q345B 150mm x 150mm square steel tube with holes ASTM A53 Contact Now Black square steel tube ASTM A53 Grb China Manufacturerms welde...
Standard: AISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc.
Surface Treatment: Clean, blasting and painting according to customer requirement
Machining Service: Cutting, Welding, Bending, Forming, Rolling, Drilling, Slitting, Heat treatment
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