TOKO AWS A5.28 ER80S-Ni2 Low Alloy TIG/MIG Wire
High purity 2.25% nickel alloy solid wire for critical low temperature applications. Copper coated or bright finish available. Designed to provide exceptional impact toughness down to -60°C while maintaining excellent weldability and radiographic quality.
Key Advantages
- AWS A5.28 ER80S-Ni2 / ASME SFA-5.28 compliant — full traceability with certified chemical composition and mechanical properties.
- Optimized nickel content (2.00–2.75%) — ensures excellent low temperature toughness for fine grained and nickel steels.
- Copper coated or bright finish — smooth feeding and arc stability for TIG, MIG, and SAW processes.
- Radiographic quality welds — low impurity levels (P≤0.025%, S≤0.025%) for critical applications.
- Exceptional impact toughness — guaranteed ≥27J at -60°C, meeting the most demanding cryogenic requirements.
- Available diameters: 1.6mm (1/16"), 2.0mm (5/64"), 2.4mm (3/32"), 3.2mm (1/8") in 1000mm cut lengths or spools.
Performance Benefits for Cryogenic Applications
- Low Temperature Toughness: Excellent Charpy V-notch values down to -60°C, ideal for LNG and cryogenic service.
- Arc Stability: Smooth, stable arc with minimal spatter for TIG root passes and MIG fill passes.
- Weld Metal Cleanliness: Low hydrogen potential and strict impurity control ensure crack-free welds.
- Mechanicals: High tensile strength (≥610 MPa) with good ductility (≥28% elongation).
- Versatility: Suitable for TIG, MIG, and submerged arc welding processes.
Guaranteed Low Temperature Impact Performance
TOKO ER80S-Ni2 exceeds AWS requirements for cryogenic service
≥50J
Typical impact
≥27J
AWS requirement
≥40J
TOKO typical
Independent lab tested according to AWS A5.28 standards. Full traceability available.
Primary Industrial Applications
ER80S-Ni2 is the preferred choice for low temperature and fine grained steel fabrication worldwide.
LNG & Cryogenic Tanks
Storage and transportation of liquefied propane, butane, and natural gas at temperatures down to -60°C.
Pressure Vessels
Low temperature carbon steel vessels for chemical, petrochemical, and power generation industries.
Offshore Platforms
Critical structural components requiring excellent toughness in arctic and sub-arctic environments.
Railway & Transport
A&P brackets, couplers, and components for low temperature service conditions.
Additional Applications & Industries
- Fine grained steel fabrication (e.g., S355NL, S420NL, S460NL)
- Storage tanks for liquefied gases
- Piping systems for cryogenic service
- Construction equipment for cold regions
- Wind turbine towers in cold climates
- Bridge components requiring low temperature toughness
- Nuclear containment (non-core) structures
Technical Specifications (Typical)
Chemical Composition (%, single values are max)
| C | Mn | Si | P | S | Ni | Cu |
|---|---|---|---|---|---|---|
| 0.12 | 1.25 | 0.40–0.80 | 0.025 | 0.025 | 2.00–2.75 | 0.35 |
Typical analysis: C 0.05, Mn 0.81, Si 0.51, P 0.002, S 0.006, Ni 2.67, Cu 0.12
Mechanical Properties (as-welded, TIG process)
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 610 (typical 620–650) |
| Yield Strength (MPa) | ≥520 (typical 540) |
| Elongation (%) | ≥28 (typical 30–32) |
| Charpy V-notch @ -60°C (J) | ≥27 (typical 40–60) |
Recommended Welding Parameters (TIG, 2.4mm diameter)
| Current (A) | Voltage (V) | Gas Flow (L/min) | Polarity |
|---|---|---|---|
| 80–140 | 10–14 | 8–12 | DCEN |
Comparison: ER80S-Ni2 vs ER70S-6 vs ER80S-D2
| Property | ER80S-Ni2 | ER70S-6 | ER80S-D2 |
|---|---|---|---|
| Alloy System | 2.25% Ni | C-Mn | Mo (0.5%) |
| Low Temp Toughness | Excellent (-60°C) | Fair (-30°C) | Good (-40°C) |
| Tensile Strength | ≥610 MPa | ≥480 MPa | ≥550 MPa |
| Typical Application | Cryogenic, LNG | General fab | High strength |
ER80S-Ni2 is the preferred choice when low temperature toughness is the primary requirement.
Storage & Handling
- Wire: Store in original packaging in dry conditions. Once opened, use within 3 days or reseal in vapor-proof bag.
- For critical applications: Use dedicated clean TIG gloves and stainless steel wire brush to prevent contamination.
- Clean groove faces thoroughly before welding to avoid hydrogen pickup.
Certifications & Technical Docs
Download batch-specific material certificates, welding procedure guidelines, and safety data for TOKO ER80S-Ni2.
All certifications comply with AWS A5.28 / ASME SFA-5.28 and are third-party verified. Test reports include full chemical analysis and impact data at -60°C.
The information contained or otherwise referenced herein is presented only as "typical" without guarantee or warranty, and TOKO Corporation expressly disclaims any liability incurred from any reliance thereon. Typical data and test results for mechanical properties, deposit or electrode composition and other properties were obtained from a weld produced and tested according to prescribed standards, and should not be assumed to be the expected results in a particular application or weldment. Actual results will vary depending on many factors, including, but not limited to, weld procedure, plate chemistry and temperature, weldment design and fabrication methods. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application.