... ASTM/AISI/JIS/EN/DIN material:DIN ST37/ST52 Carbon steel pipesMaterialGB10#,20#,45#,20G,Q345B,27SiMn, ... ,A312,A315,A355,A179,A519,A192,A210,A213DINST37,ST52,ST42,ST45APIAPIJ55,APIK55,APIN80,APIL80,APIP110SpecificationOut diameter6mm-950mmWall ... technologyHot rolledCold rolledsurface treatmentCommon coatingGalvanizedOther (can be made by 3 PE)Sortingstructural pipe, fluid pipe, boiler pipe, oil ...