TOKO AWS A5.28 ER80S-Ni2 Welding Wire
TOKO AWS A5.28 ER80S-Ni2 Welding Wire | Used for welding high-strength, low-temperature industries of Cryogenic storage tanks and LNG infrastructure, Arctic pipelines, offshore platforms, and shipbuilding.
Key Advantages
- AWS A5.28 Certified: Conforms to American Welding Society specifications for carbon and low-alloy steel gas metal arc welding.
- Nickel-Enhanced: Contains ~2% nickel for enhanced low-temperature toughness.
- High Strength: Minimum tensile strength of 80ksi (80,000 psi).
- Copper Coated: Enhances electrical conductivity and reduces contact tip wear.
- Low-Temperature Performance: Excellent toughness at temperatures as low as -50°C/-60°F.
Performance Benefits
- High Toughness at Low Temperatures: Nickel content ensures ductility and resistance to brittle fracture in subzero environments.
- Smooth Metal Transfer: Stable arc with minimal spatter in spray or globular transfer modes.
- All-Position Welding: Suitable for various welding positions with proper technique.
- Minimal Post-Weld Cleanup: Low spatter results in cleaner welds.
Common Applications
- Cryogenic storage tanks and LNG infrastructure
- Arctic pipelines and offshore platforms
- Shipbuilding and marine applications
- Heavy machinery operating in cold climates
- High-strength, low-temperature steel welding
Technical Specifications
AWS A5.28 Classification
| Component | Meaning |
|---|---|
| ER | Electrode/Rod (usable as both electrode and filler) |
| 80 | Minimum tensile strength of 80,000 psi (80 ksi or ~552 MPa) |
| S | Solid wire (requires external shielding gas) |
| Ni2 | Contains ~2% nickel for enhanced low-temperature toughness |
Chemical Composition
| Element | Percentage |
|---|---|
| Nickel (Ni) | ~2% |
| Manganese (Mn) | Optimized for strength and ductility |
| Other Elements | Trace elements to improve performance |
| Copper Coating | Enhances conductivity and reduces wear |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥80 ksi (552 MPa) |
| Impact Toughness | Excellent Charpy V-notch values at low temperatures |
| Low-Temperature Performance | Effective down to -50°C/-60°F |
Welding Process & Parameters
| Parameter | Details |
|---|---|
| Process | Gas Metal Arc Welding (GMAW/MIG) |
| Shielding Gas | Argon-CO₂ mixtures (e.g., 75% Ar + 25% CO₂) |
| Voltage | 24–30V (adjust based on material thickness) |
| Wire Feed Speed | Align with AWS guidelines for consistent deposition |
Compliance & Certifications
- Meets ASME Section IX and API 1104 standards
- Compatible with ISO 14341-A G 69 6 M21Ni2 (international equivalent)
- Suitable for critical infrastructure applications
Material Compatibility
- ASTM A333 (low-temp piping)
- ASTM A537 (pressure vessels)
- HSLA (high-strength low-alloy) steels
- Other high-strength, low-temperature steels
Why Choose TOKO ER80S-Ni2?
- Proven Reliability: Trusted in cryogenic, offshore, and heavy industrial applications.
- Exceptional Toughness: Nickel-enhanced formulation ensures performance in extreme conditions.
- Global Compliance: Meets international standards for high-strength welding applications.
- User-Friendly: Copper coating provides stable arc performance with minimal spatter.
