SAE Blind Flanges and SAE Sandwich PlatesSAE Blanking Flange and Counterflange BFX-CP BAS-CP 3000 PSI Standard Pressure Series (based on ISO 6162-1:2006): 12" (DN13) . 5" (DN127)6000 PSI High Pressure Series (based on ISO 6162-2:2006): 12" (DN13) . 2" (DN51)Material: S355J0 C45 or equivalent, Stainless Steel 1.4404 on request (W5)Surface: blank, oiled