Carbon Steel Flange 1)Standard:AISI,JIS,DIN,etc 2)Material:20 ... , A350 LF1/LF2/LF3 3)Description:Weld Neck,Slip on Carbon Steel FlangeFeatures:1)Standard:AISI,JIS,DIN,etc2)Material:20#,A105 ... on,Socket weld,Thread,Blind,Orifice flanges,Spectacle blind,Tube sheet,manhole and special forged products.4)Pressure:150LB/300LB/400LB ... to contact us when you are interested in our products. Carbon Steel Flange