Professional Black Carbon Steel Pipe 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:Square Pipe Glass Balcony Railing Designs Next:ASTM 321 Cold Rolled Galvanized N4/2b/Ba Stainless Steel Coil for Building and Chemical Industry