... -250MPa150#-2500# Material:stainless steel Products Information:Name: astm a182 f304 steel so flange Standard:ANSI,DIN,JIS,GOST,GB ,EN ... 150#-2500#Material :Carbon steel ,stainless steel, alloy steel Typeastm a182 f304 steel so flangeStandardANSI:ANSI B16.5ANSI B16.47MSS SP44ANSI B16 ... ),straight / reducing tee(TC/TR) ,SO ,WN,PL,BL,SW,TH flanges,pipe end cap,eccentric/concentric reducers ;seamless steel ...