... your requirment 3,kinds of stypes forged steel flangeCarbon Steel flange For forged rings:15000tons/year For forged flanges:1000 ... ton/year For products at the maximum range:5000MM flange supplierWe try to enlarge our overseas markets,and we ... a brilliant success.Type:welding neck flange,slip on flange,lap joint flange,thread flange,slip on flange,blind flange Material:carbon steel,stainless steel ...