Feature of Welding Neck Flange

Standard of welding neck flange: 

1) HG20592-97 ~20614-97 , PN 0.25 MPa 2.5bar--25MPa (250bar)

2) HG20615-97~20635-97 , PN2.0 MPa class150--42.0Mpa(class 2500)

Material of welding neck flange:

1) Carbon  steel ASTM A234 Q235A/B 20#JIS2311/2312

2) stainless steel310304316316L

3) Alloy steel Q34516Mn15CrMo,12Cr1MoVN76P91P22

Standard of welding neck flange: JIS ,DIN ,GB ,ASTM/ANSI

Our company could provide different kinds of Flange,  Elbow, reducer, cap for pipe fitting, Tee,  Tee Cross, pipe and Tube. The materials are Carbon  steel, stainless steel and Alloy steel. If you are interested in Flange, Elbow,reducer,cap for pipe fitting,Tee, Tee Cross,pipe and Tube, please feel free to contat with us.