Type:welding neck flange,slip on flange ,lap joint flange,thread flange,blind flange Material:carbon steel ,stainless steel and Size:1/2"-78" thickness:150LB -2500LB material:stainless steel /carbon steel /alloy steel qualification:ISO,API,ASTMPressure:75bls to 2500bls 1. Standard:ANSI,JIS,DIN,BS4504,SABS1123,EN1092-1, UNI,AS2129,GOST-128202. Type:Plate,Slip-on,Welding Neck.Thread,Socket weld, ...