... price 3.many kinds of type 4.It is multifunction Forged Flange Carbon Steel flange For forged rings:15000tons/yearFor forged flanges ... :1000 ton/yearFor products at the maximum range:5000MM Carbon Steel flange We try to enlarge our overseas markets,and we ... ,thread flange,slip on flange,blind flange Material:carbon steel,stainless steel and alloy steel fange Standard:ANSI,JIS,BS,DIN,UNI,EN,GB ...