不鏽鋼焊線
KX-71T

Shielding Gas: 100%CO₂
KX-71T is suitable for all-position welding of 490N/mm² grade steel.

▎Classification

AWS A5.20/A5.20ME71T-1C/E491T-1C
JIS Z3313T49J0T1-1CA-U
EN ISO 17632-A
T42 2 P C1 1 H10
GB T10045T 49 2 T1-1 C1 A

▎Applications and Features

  • KX-71T is suitable for all-position welding of 490N/mm² grade steel.
  • Good mechanical properties, crack resistance, less fume, stable arc, good slag removal, good bead appearance and excellent X-ray quality welds.
  • Ideal for welding of shipbuilding, tank, construction machine, steel structure and bridge.

▎Welding Instruction

Please refer to Appendix D.

▎Application

Ideal for welding of shipbuilding, tank, construction machine, steel structure and bridge.

▎Typical Chemical Composition of Weld Metal (wt%)

CSi
Mn
PS
0.040.451.310.0150.006

▎Typical Mechanical Properties of Weld Metal

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

Charpy V-Notch
J
54347030-20106

▎Size and Suggested Operating Range (DC+)

線徑(mm)
1.21.41.6
F/HF140-330A

23-36V

150-350A

22-34V

200-450A

28-42V

H140-280A

22-33V

150-280A

22-32V

220-280A

23-29V

V-up/OH140-220A

22-28V

150-230A

22-28V

160-280A

22-28V

V-down230-280A

28-33V

250-300A

28-32V

250-320A

28-32V