Alloy 20 flange: 1.Size:1/2"-60" 2. ... steel 3.Standard:ANSI,ASME,JIS,DIN,BS Alloy 20 flange: Details of the ProductHebei Hanghao High-pressure Flange ... LtdProductsAll kinds of Pipe FittingsStandardASTM , ANSI, DIN, GB, JB/TWall ThincknessSCH20-SCH160MaterialQ235,20#,16Mn , ST45.8, 12CrMoV, 15CrMo , 1Cr13,1Cr18Ni9Ti, ... requirements or normal deliveryAuthentification codeISO 9001:2008 Alloy 20 Flange