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      MK·ER55-B2-Mn

      Published:2009/12/17


      Standard:GB ER55-B2-Mn
      Characteristics:MK 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 (08CrMoA、12CrMo、15CrMo 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.
       
      Chemical composition(%)
      C
      Mn
      Si
      S
      P
      Cu
      Cr
      Ni
      Mo
      0.06-0.10
      1.20-1.70
      0.60-0.90
      ≤0.025
      ≤0.030
      ≤0.35
      0.90-1.20
      ≤0.25
      0.45-0.65
       
      Typical mechanical properties of deposited metal:
      Rm(MPa)
      Rp0.2(MPa)
      A(%)
      Akv(room temperature)(J)
      Shielded gas
      645
      515
      23
      60
      Ar+20%CO2
       
      Diameter and current: (DC+)
      Diameter(mm)
      ф0.8
      ф1.0
      ф1.2
      ф1.6
      Current(A)
      50-150
      50-220
      80-350
      120-450

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      Contact Us

      Company address: No.6 Zhongnan Road, Wujiagang district,
      Yichang City, Hubei Province, China.
      Tel: 0086-717-6351960
      Fax: 0086-717-6355672
      Email: exp@ychwhs.com

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