stainless steel flange Standard:ANSI,ISO,JIS,DIN,EN,UNI,BS,GOST Type:BL flanges Size:DN15-6000 Specification:1.Name:carbon steel flange,stainless steel flanges 2.Material: carbon steel : Astm a105,a234,q235,etc. stainless steel :astm a182,304l,304,316,3.Standard:din bs ansi jis ai mss4.Surface:Rusproof oil, black, yellow, galavanized 5.Type: Plate ,threaded,slip-on, socet welding ,blind,welding ...