| Product name：KFX-71T |
| Classification：E71T-1C |
  |
- KFX-71T is suitable for welding 490N/mm2grade steel.
- It provides: good mechanical properties, deep penetration, and excellent weldability, less fume, stable arc, good slag removal and excellent X-ray quality welds.
- Ideal for multi-pass welding in ship-building, tanks, bridges, steel structures and constructions.
Typical chemical composition of weld metal (wt%)
|
C |
Si |
Mn |
P |
S |
|
0.050 |
0.51 |
1.26 |
0.010 |
0.008 |
Typical mechanical properties of weld metal
|
Tensile Strength N/mm2（kgf/mm2） |
Yield Strength N/mm2（kgf/mm2） |
Elongation % |
Charpy V-Notch |
|
|
℃ |
J (kgf-m) |
|||
|
570 (58.1) |
510(52.0) |
29 |
-18 |
100(9.8) |
|
-29 |
85(8.7) |
|||
Size and suggested operating range (DC+)
|
Diameter(mm) |
1.2 |
1.4 |
1.6 |
|
|
Amp |
F |
120~300 |
150~400 |
180~450 |
|
H-fillet |
120~300 |
150~350 |
180~400 |
|
|
V-up |
120~200 |
150~320 |
180~240 |
|
|
H |
120~280 |
150~320 |
180~350 |
|
|
V-down |
200~260 |
220~270 |
230~280 |
|
No.8, Luke 3rd Rd., Luzhu Dist., Kaohsiung City 821, Taiwan (R.O.C.) TEL:886-7-6955155 FAX:886-7-6955166
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