... Type: carbon steel pipe Size: 1/ 2"-24" Wall thickness: Sch5-Sch160XXS Standard : ASME B36.10M1996 ,API ,ANSI ,GB,SH,HG, MSS,JIS,DIN ... 5 CT / Q345/ A335/ ST37/ ST52 Packaging painting black, pipe cap, steel strips bundled Applications range petroleum,construction ,shipbuilding,smelting, aviation, power ... after conformed Quality : First grade Productivity: 80000 tons per year carbon steel pipe