1.BS4504 304 316 Stainless Steel Flange 2.Material:Stainless Steel 3.Size:1/2"-40" 4.Pressure:PN6-PN160 1. BS4504 304 316 Stainless Steel Flange 2. Material:Stainless Steel:such as 201 301 304,304L,316,316L,321 and so on. 3. Standard:GB,JIS,BS,DIN.ASTM and Non Standard 4. Size:1/2"-40" 5. Type:Slip-on flanges,Blind flanges, Spectacle flanges, Plate flanges,TG flanges, Lap joint flanges,Welding ...