... 1.Material:carbon steel 2.Size:2.5" 3.Standard:DIN 4.lots stock of carbon steel flange welding dn200 carbon ... Steel Flange and Stainless Steel Flange be according to ANSI, DIN, UNI, BS, JIS, KS standards. the materials are ASTM A105 ... : DIN2527, DIN2573, DIN2576, DIN2633, DIN2566 DIN2543, DIN2573, DIN2544/2545, DIN 2632 / 2634/2635---including PN6, PN10, PN16, PN26, PN40 Flanges; UNI ...