... DIN 4.lots stock of carbon steel flange welding dn200 carbon steel flange1.Material:carbon steel 2.Size: ... Steel Flange be according to ANSI, DIN, UNI, BS, JIS, KS standards. the materials are ASTM A105, ST37, Q235 ... -1 / TABLE-E FLANGES: PN10, PN16, PN25, PN40 Flanges;JIS B2220 / KS B1503 FLANGES: 5K, 10K, 16K, 20K, 30K ... Best regardsContact us: high pressure resistant welding dn200 carbon steel flange