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 ...