THJ506Fe (E7018)
E7018 Low-Hydrogen Welding Electrodes | Low-Carbon & Low-Alloy Steel
Certificates:
ABS
BV
CCS
CWB
DNV
LR
NK
Application
- Shipbuilding
- Pressure Vessel
- Energy Industry
- Heavy Machinery
DETAILS
Bridge Brand THJ506Fe (E7018) is a versatile, high-performance welding electrode offering exceptional operational characteristics. It delivers outstanding performance when welding low-carbon and low-alloy steels across diverse applications, including bridges, structural steel buildings, shipbuilding, and pressure vessel fabrication. Furthermore, Bridge Brand THJ506Fe (E7018) is widely used in construction work and the maintenance/repair of heavy machinery, such as bulldozers, agricultural equipment, and mining machinery.
Features
- High deposition efficiency
- Easy slag removal
- Superior crack resistance and outstanding X-ray quality
- Smooth, aesthetic bead appearance with minimal spatter
Typical Applications
- Bridge construction
- Structural steel building
- Shipbuilding
- Pressure vessel fabrication
Welding Positions
- PA / PB / PC / PD / PE / PF
WARNING
- The electrodes must be re-dried at 350–380°C for 1 hour before welding.
- Rust, oil, moisture, and other contaminants must be removed from the weld area before welding.
| Test Item | Rm (MPa) | Rel / RP₀.₂ (MPa) | A （%） | KV₂ （J） -30℃ |
|---|---|---|---|---|
| Requirement | 490-660 | ≥400 | ≥22 | ≥80 |
| Typical Result | 590 | 480 | 28 | 160 |
| Element | C | Mn | Si | S | P | Ni | Cr | Mo | V |
|---|---|---|---|---|---|---|---|---|---|
| Requirement (%) | ≤0.10 | 0.85-1.40 | ≤0.65 | ≤0.030 | ≤0.035 | ≤0.30 | ≤0.20 | ≤0.30 | ≤0.08 |
| Typical Result (%) | 0.06 | 1.00 | 0.30 | 0.015 | 0.020 | 0.030 | 0.035 | 0.005 | 0.004 |
| Diameter (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
|---|---|---|---|---|
| Current (A) | 60-100 | 100-150 | 170-210 | 210-250 |