carbon steel flange 1.High quality and CNC lathe machine 2.ANSI B16.5 wn 3.Size:1/2" to 24"150lb to2500 4.Material:a105 Black Flanges1)Material: carbon steel(A105,Q235,A305),alloy(F5,F9,F11),stainless steel (304,316);2)Size: from 1/2"to64";3)standard: ANSI,JIS,DIN,AISM,BS4)type: WN,SO,BL,SW,LJ,TH,5)painting: black,yellow, galvanizing,antirusting oil;6)packing: plywood case, pallet;7)Market: ...