... cap 2,1/2"-60" 3,ASTM, DIN,JIS,BS standard 4,Pipes pipe fittings & flanges 5Carbon steel and stainless steel Carbon Steel & Stainless Steel Flanges ... Flange, Figure 8 Blanks Conncetion typeRaised face,Flat face,Ring type joint,Lap joint face, Large Male Female,Smallmale female ... ,Large tongue & Groove,Small tongue& Groove Materials:Carbon Steel Materials:ASTM A105-ASTM A350 LF2/ASTM A694 F42-F52 ...