... /2"-48" Wall thickness:Sch5-Sch160 carbon steel cap1.Standard:ISO,ANSI,JIS,DIN,GB2.Material:Carbon steel,stainless steel,alloy steel16Mn,A299,St52-3,A387 ... -316,A 320-3041,etc3.Applications range:Petroleum,chemical,power,gas,metallurgy,shipbuilding,construction,etc4.Common Shapes of pipe caps:Pipe ... with us.We are looking forward to cooperate with you. carbon steel cap