Feature of Welded Flange

Standard
HG20592-97 ~20614-97 ,PN0.25MPa2.5bar--25MPa(250bar)
HG20615-97~20635-97 ,PN2.0MPaclass150---42.0Mpa(class 2500)
Material of Flange
Carbon  steel ASTM A234Q235A/B 20#JIS2311/2312
stainless steel310304316316L
Alloy steel Q34516Mn15CrMo,12Cr1MoVN76P91P22
Standard :JIS ,DIN ,GB ,ASTM/ANSI
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