... carbon Standard:ASME,BS,GOST,etc API,ISO,CE,etc pipe fittingsSize -- Seamless:from 1/2" to 24" ,Welded ... 1.0D, 1.5D, 2.0D, 2.5D, 3D,4D,5D,6D,7D-40D.Thickness--SCH10,SCH20,SCH30,STD ... ,WPHY 46,WPHY 42, etc .Equipment -- Press machine ,Bending machine,Pushing Machine,electric bevelling machine Sand-blasting machine,etcTest ... design available as the requirement of customer] seamless pipe fittings SCH40