... /2"to 72" 2)material:carbon steel,stainless steel,etc 3)standard:ANSI B16.5 4)WT:#150-#2500 5)API,ISO,CE,etc ... B16.47, ASME B16.36,DIN2505,EtcMaterialCarbon steel(ASTM A105,Q235,A350LF2,A350LF3,Etc)Stainless steel(ASTM A182 F304, F304L,F316,F316L,F321 ... ,F347,F310F44F51,A276 S31803, A182, F43,Etc)Alloy steel(ASTM A694 ...