廣泰銲接材料
KT-42

KT-42 is an electrode for mild steel suitable for light structures and steel plates with thickness on or below 25mm.

▎Certification

AWS A5.1/A5.1M
JIS Z3211
E4303
EN ISO 2560-A
E35 2 RB 1 2
GB T5117
E4303

▎Applications and Features

  • KT-42 is an electrode for mild steel suitable for light structures and steel plates with thickness on or below 25mm.
  • Excellent mechanical properties and X-ray quality welds, good crack resistance.
  • Stable arc, good re-strike, low spatter, and smooth bead appearance.
  • Good slag fluidity, easy slag removal after welding, and suitable for all-position welding.

▎Welding Instruction

Please refer to Appendix A.

▎Application

Suitable for light structures and steel plates with thickness on or below 25mm.

▎Typical Weld Metal Composition (wt%)

CSi
Mn
PS
0.080.080.450.0140.008

▎Typical Weld Metal Mechanical Properties

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

Charpy V-Notch
J
470400280
-20
95
75

▎Available Sizes and Welding Parameters (AC/DC±)

Diameter (mm)
Current(A)
3.24.05.06.0
F/HF80-120120-170170-240230-300
V-up/OH60-110110-160