... :PN10-PN800 2.Standard:ANSI B16.5,JIS10K,ISO7005-1 EN1092-1 Forged Carbon Steel Drilling Pipe Flange TypeSlip-on,Welding Neck,Blind,Flat ... ,PN40 ISO StardardISO 7005-1 Japanese StandardJIS B 2220 5K/10K/16K DIN StandardDIN WN 1092-1 Material: Carbon Steel A105,234,Q195,235 ... Stainless Steel 201,304,304L,316,316L If you ...