carbon steel a105n flanges 1.Size:1/2"-78", DN15 ... .Certifaction:CE,ISO,TUV 4.All standard carbon steel a105n flanges1) Product Name:carbon steel a105n flanges2) Type of Flange: ... : 1/2"-78" , DN15- DN2000 4) Material of Flange: Carbon Steel Flange: A105,SS400, SF440 RST37.2,S235JRG2,P250GH,C22 ... ) Delivery Time: 20 days within 2000 tons9) Supply Capacity: 24,000 Tons per Year carbon steel a105n flanges