... .47A Grard:150lb BL FORGED FLANGE A105 Materialcarbon steel(A105,Q235,A350),alloy(F5,F9,F11),stainless steel (304,316);Sizefrom 1 ... /2"to64";standardANSI,JIS,DIN,BS,ASME,ENtypeWN,SO,BL,SW,LJ,TH,paitingblack ... our tireless commitments to serving our customers. B16.47 A BL flange