steel flange

1)Standard: ASME ,ANSI,JIS,API,DIN,BS.

2)Flanges Material: Q235,ASTM A105; ASTM A350 LF1,316L,316Ti,304L,C22.8 3)Flanges Sizes: From DN10 to DN3000

4)Surface Treatment: Transparent oil, rust-proof black oil or hot galvanizing

5)Special design available