Precision Square Hollow Section Steel Pipe Tube Tianjin Huaruitai International Trading Co., Ltd. Type:WeldedTechnique:ERWMaterial:Carbon SteelSurface Treatment:BlackUsage:Pipeline Transport, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special PurposeSection Shape:Square Base Info Model NO.:Q195 Q235 Q345Standard:DIN 2440 ASTM A500 ASTM A53 En10210 ASTM A513 En10Length:6m 12m 5.8m CustomizedSurface:Galvanized Hot Dipped Galvanized AnnealingPacking:Bundle Description Overview Detailed PhotosCompany ProfileCertifications Pre:Rod High Precision Flexible Factory Direct Sale High-Strength Wear-Resistant Cold-Rolled Stainless Steel Bar Next:Best Quality Factory Price Ss 316L 36mm Stainless Steel Tube for Decoration and Construction