KM-51
KM-51

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

Catalog Packaging

▎Classification

AWS A5.18/A5.18MER70S-G/ER49S-G
JIS Z3312
YGW15
EN ISO 14341-AG42 2 M21 Z
GB T8110
ER50-G

▎Applications and Features

  • KM-51 is a 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 Position

焊接姿勢
焊接姿勢
焊接姿勢
焊接姿勢
焊接姿勢
焊接姿勢

▎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
0.070.581.330.0150.011

▎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/HF120~350A150~400A180~440A
H120~300A150~320A180~350A

KUANG TAI METAL INDUSTRIAL CO., LTD.

廣泰金屬工業股份有限公司

No.20, Gongye Rd., Erzhen, Guantian Dist.
Tainan City 72042, Taiwan
TEL：886-6-6987615  FAX：886-6-6987315

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