... :A105 Standard:ASME B16.47A Grard:150lb BL FORGED FLANGE A105 Materialcarbon steel(A105,Q235,A350),alloy(F5, ... 1/2"to64";standardANSI,JIS,DIN,BS,ASME,ENtypeWN,SO,BL,SW,LJ,TH,paitingblack,yellow,galvanizing,antirusting oilpacking plywood case ... our tireless commitments to serving our customers. B16.47 A BL flange