Threaded flange: 1.Material:carbon steel,stainless steel and alloy steel 2.Size:1/2"-80" 3.Standard:ANSI,ASME,JIS,DIN,BS,GB Threaded flange:Details of the Product:Hebei Hanghao High-pressure Flange Pipe Fitting Manufacturing Co.,LtdProductsAll kinds of Pipe FittingsStandardASTM , ANSI, DIN, GB, JB/TWall ThincknessSCH20-SCH160MaterialQ235,20#,16Mn , ST45.8, 12CrMoV, 15CrMo , 1Cr13,1Cr18Ni9Ti, ...