Standard:GB ER55-B2-Mn
Characteristics:ER55-B2-Mn is copper coated gas shielded welding wire for 1.25%Cr-0.5%Mo pearlite heat-resistant steel. It has good weldability and excellent mechanical properties.
Application:With Ar+20%CO2 mixed gas shielded welding, it is widely applied to the welding of structures such as conventional power station, nuclear power unit, petroleum purification, hydro-cracking equipment, synthesis chemical vessel, etc. For example, the boiler heating pipes with pipe wall temperature under 550 of 1.25Cr-0.5Mo series 08CrMoA12CrMo15CrMo etc, high-medium pressure steam conduit with steam temperature under 510, steam turbine and so on; As well as the fixing welding of such as steam turbine cast steel cylinder body and so on of ZG15Cr1Mo, ZG15Cr1MoA etc.
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