1)size:1/2"to 72" 2)material:carbon steel,stainless steel,etc 3)standard:ANSI B16.5 4) ... WT:#150-#2500 5)API,ISO,CE,etc size1/2" to ... .36,DIN 86341-2000, DIN2505materialCarbon steel(ASTM A105, Q235,A350LF2,A350LF3,)Stainless steel(ASTM A182 F304, F304L,F316, ... F43, A276 S32750,A705 631,632,A961, A484, etcAlloy steel(ASTM A694 F42,F46,F52,F56,F60,F65,F70, ...