Applications and Features :
1. E71T-1 is suitable for welding 490N/mm2grade steel.
2. It provides: good mechanical properties, deep penetration, and excellent weldability, less fume, stable arc, good slag removal and excellent X-ray quality welds.
3. 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 | |
