鍍銅輪軸SPOOL
KM-59

Shielding Gas: 80%Ar+20%CO2
KM-59 is a copper coated wire for welding 550N/mm² grade steel with Ar+CO₂ shielding gas.

▎Classification

AWS A5.18/A5.18MER80S-G/ER55S-G
JIS Z3312
YGW19
EN ISO 14341-AG50 0 M21 Z
GB T8110
ER55-G

▎Applications and Features

  • KM-59 is a copper coated wire for welding 550N/mm² grade steel with Ar+CO₂ shielding gas.
  • Good mechanical properties can be achieved even under high heat input welding.
  • Suitable for high-current welding of thick plate butt joints, fillet welding, and horizontal welding.
  • Ideal for welding steel structures, ship-building, bridges, and machinery.

▎Welding Instruction

Please refer to Appendix B

▎Application

Ideal for welding steel structures, ship-building, bridges, and machinery.

▎Typical Chemical Composition of Wire (wt.%)

CSi
Mn
PSMoTi
0.070.481.510.0030.0010.160.09

▎Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm²
Yield Strength
N/mm²
Elongation
%
Charpy V-Notch ℃
Charpy V-Notch J
60960929095

▎Size and Suggested Operating Range (DC+)

Diameter (mm)1.21.41.6
F/HF250~350A250~450A300~500A
H130~230A150~250A150~300A