不鏽鋼焊線
KM-51Z

Shielding Gas: 80%Ar+20%CO₂
KM-51Z is a non-copper coated wire for welding 490N/mm² grade steel.

▎Classification

AWS A5.18/A5.18MER70S-G/ER49S-G
JIS Z3312
YGW15
EN ISO 14341-A
G42 2 M21 Z
GB T8110
ER50-G

▎Applications and Features

  • KM-51Z is a non-copper coated wire for welding 490N/mm² grade steel.
  • Wide welding parameter range from short-circuit transfer at low current to spray transfer at high current.
  • Stable arc at high current due to special alloy design.
  • Ideal for welding automotive, shipbuilding, pipe, steel structure, bridge, and machinery.

▎Welding Instruction

  • Please refer to Appendix B.

▎Application

Ideal for welding automotive, shipbuilding, pipe, steel structure, bridge, and machinery.

▎Typical Chemical Composition of Wire (wt%)

CSi
Mn
PS
0.080.551.270.0190.014

▎Typical Mechanical Properties of Weld Metal

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

Charpy V-Notch
J
552478290
-20
121
85

▎Size and Suggested Operating Range (DC+)

Diameter (mm)
1.21.41.6
F/HF120-350150-400180-440
V-up120-300150-320180-350