... Steel, Forged flange, casting flange 1.FlangeA ,Material:Carbon Steel(10#, 20#,A3,Q235A,20G,16Mn,ASTM A105,A181, A182, A350 ... BAR<3> JIS JIS 5K 10K 16K 20K 31K<4> BS 10 16<5> Non-Standard and processing with provided pattern<6 ... >.Slip-on Lap <4>.Joint<5>. Screwed<6>.Blind Plate <7>.Flat Plate <8>. Abnormity Flange D,SPEC: 1/2- 36inch ...