THY-51A (E71T-1C-J)
E71T-1C-J Gas-Shielded Flux-Cored Welding Wire | Rutile Type All-Position
Certificates:
ABS
BV
CCS
DNV
LR
NK
KR
Application
- Shipbuilding
- Pressure Vessel
- Energy Industry
- Heavy Machinery
DETAILS
THY-51A (E71T-1C-J) is a rutile-type C1 gas-shielded flux-cored wire. Suitable for all-position welding, it offers excellent welding usability and superior low-temperature impact toughness.
Features
- Excellent all-position welding capability with high deposition rate
- Smooth and stable arc with minimal spatter
- Easy slag detachability and clean weld bead appearance
- Designed for 100% CO₂ shielding gas
- High X-ray quality and superior mechanical properties
Typical Applications
- Shipbuilding and offshore structure fabrication
- Heavy structural steel construction
- Pressure vessel and pipe welding
- Heavy machinery and equipment manufacturing
- General carbon steel fabrication
Welding Positions
- PA / PB / PC / PD / PE / PF
WARNING
- Use DC⁺ only.
- Interpass temperature should be maintained at 150°C–200°C.
- Rust, oil, moisture, and other contaminants must be removed from the weld zone before welding.
| Test Item | Rm (MPa) | Rel / RP₀.₂ (MPa) | A （%） | KV₂ （J） -40℃ |
|---|---|---|---|---|
| Requirement | 490-670 | ≥390 | ≥18 | ≥27 |
| Typical Result | 573 | 490 | 27 | 121 |
| Element | C | Mn | Si | S | P | Ni |
|---|---|---|---|---|---|---|
| Requirement (%) | ≤0.18 | ≤2.00 | ≤0.90 | ≤0.030 | ≤0.030 | ≤0.50 |
| Typical Result (%) | 0.05 | 1.38 | 0.45 | 0.010 | 0.019 | 0.46 |
| Welding Position | PA | PA | PA | PE/PF | PE/PF | PE/PF |
|---|---|---|---|---|---|---|
| Diameter (mm) | 1.2 | 1.4 | 1.6 | 1.2 | 1.4 | 1.6 |
| Current (A) | 180-280 | 200-280 | 240-300 | 120-260 | 180-280 | 180-280 |