EN1092-1 Forged Carbon Steel Drilling Pipe Flange 1.Size:PN10-PN800 2.Standard:ANSI B16 ... .5,JIS10K,ISO7005-1 EN1092-1 Forged Carbon Steel Drilling Pipe Flange TypeSlip-on,Welding Neck,Blind,Flat,Lap Joint ... British StandardBS10,BS3293,BS 4504 PN2.5,PN6,PN10,PN16,PN25,PN40 ISO StardardISO 7005-1 Japanese StandardJIS B 2220 5K ... ,pls contact me freely EN1092-1 Forged Carbon Steel Drilling Pipe Flange