THQ-50CG3 (SG2)
SG2 (G3Si1) Carbon Steel MIG Welding Wire | Gas-Shielded Solid Wire
Certificates:
CE
DB
TÜV
Application
- Shipbuilding
- Pressure Vessel
- Energy Industry
- Heavy Machinery
DETAILS
THQ-50CG3 (SG2) solid wire is the best choice for a wide range of applications, such as welding in the overall transportation and automotive sectors, as well as in fully automated pipeline welding and applications in the energy sector.
Features
- Excellent arc stability with low spatter
- High deposition efficiency and smooth wire feedability
- Good tolerance for light rust and surface contamination
- Clean weld bead appearance with effortless cleanup
- Compatible with CO₂ and Ar/CO₂ mixed shielding gas
Typical Applications
- General carbon steel fabrication
- Automotive manufacturing and repair
- Structural steel and frame construction
- Pressure vessel and boiler fabrication
- Machinery and sheet metal joining
Welding Positions
- PA / PB / PC / PD / PE / PF / PG
WARNING
- Rust, oil, moisture, and other contaminants must be removed from the weld zone before welding.
- The mechanical properties of all-weld metal are determined by heat input; lower heat input is generally preferred to higher heat input.
| Test Item | Rm (MPa) | Rel / RP₀.₂ (MPa) | A （%） | KV₂ （J） -30℃ |
|---|---|---|---|---|
| Requirement | 520-640 | ≥420 | ≥22 | ≥47 |
| Typical Result | 550 | 440 | 26 | 78 |
| Element | C | Mn | Si | S | P | Ni | Cr | Mo | V | Cu | Al | Ti+Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Requirement (%) | 0.06-0.14 | 1.40-1.60 | 0.80-1.00 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.15 | ≤0.15 | ≤0.03 | ≤0.35 | ≤0.02 | ≤0.15 |
| Diameter (mm) | 0.8 | 1.0 | 1.2 | 1.6 |
|---|---|---|---|---|
| Current (A) | 50-180 | 70-230 | 80-350 | 120-500 |