TOKO E81T1-K2C Flux-Cored Welding Wire
TOKO AWS A5.29 E81T1-K2C flux cored welding wire is specifically engineered for high-strength, low-alloy steel welding in extreme low-temperature environments. Certified for offshore structures, shipbuilding, LNG/LPG carriers, and cryogenic applications. Supports all-position welding with 100% CO2 shielding gas and DC+ polarity. The wire offers stable arc, minimal spatter, and exceptional toughness down to -60°C, ensuring robust welds in the most demanding conditions.
Key Advantages
- AWS A5.29 Certified: Guaranteed compliance with international welding standards for offshore, shipbuilding, and pressure vessel applications.
- Ultra-Low Temperature Performance: Exceptional -60°C impact toughness for cryogenic applications including LNG storage and Arctic offshore structures.
- High Tensile Strength: 560MPa (560 N/mm²) weld metal strength suitable for high-stress marine and industrial applications.
- 1.5% Nickel Alloy: Enhances notch toughness in sub-zero environments critical for shipbuilding and offshore platforms.
- CO₂ Gas Shielded: Optimized for 100% CO₂ shielding gas (20–25 L/min flow rate) with excellent arc stability.
Performance Advantages for Industrial Applications
- All-Position Welding Capability: Stable arc performance for vertical, horizontal, and overhead welds in shipyards and offshore construction.
- Superior Weld Quality: Excellent wetting action and joint tie-in for flawless bead appearance in critical applications.
- High-Speed Efficiency: Designed for rapid deposition rates without compromising integrity, reducing project timelines.
- Excellent Slag Detachability: Easy slag removal reduces post-weld cleanup time in confined spaces like ship hulls and tanks.
Primary Industrial Applications
TOKO E81T1-K2C is specifically designed for demanding applications requiring exceptional low-temperature toughness and high-strength welds.
Offshore Structures
Drilling rigs, production platforms, offshore wind turbines, and subsea installations in Arctic and cold climate regions. Certified for critical structural welds in harsh marine environments.
Shipbuilding & Marine
Ice-class vessels, Arctic cargo ships, icebreakers, naval ships, and commercial vessels operating in cold waters. Suitable for hull construction, decks, and structural components.
LNG/LPG Carriers & Storage
Cryogenic tanks, containers, and pipelines for liquefied natural gas (LNG) and liquefied petroleum gas (LPG). Maintains toughness at temperatures as low as -60°C for safe containment.
Petrochemical & Energy
Pipelines, pressure vessels, storage tanks, and processing equipment for petrochemical plants, refineries, and power generation facilities in cold climates.
Additional Application Areas
- Bridge construction in cold regions requiring high impact toughness
- Heavy machinery and mining equipment for Arctic operations
- Nuclear and thermal power plants in cold climate zones
- Military and defense equipment for extreme cold weather operations
- Cryogenic research facilities and laboratory equipment
- Industrial refrigeration systems and cold storage facilities
- Pipeline construction in permafrost regions
- Structural steel for buildings in extreme cold environments
Technical Specifications
Chemical Composition (%)
| C | Mn | Si | S | P | Ni | Cr | Mo |
|---|---|---|---|---|---|---|---|
| ≤0.15 | 0.50-1.75 | ≤0.80 | ≤0.030 | ≤0.030 | 1.0-2.0 | ≤0.15 | ≤0.35 |
Mechanical Properties
| Yield Strength | Tensile Strength | Elongation | Impact Energy (-40°C) | Impact Energy (-60°C) |
|---|---|---|---|---|
| ≥470MPa | 550-690MPa | ≥19.5% | ≥47J | ≥27J |
Recommended Welding Parameters
| Wire Diameter | Current (A) | Voltage (V) | Gas Flow | Polarity |
|---|---|---|---|---|
| 1.2 mm | 180-280 | 24-30 | 20-25 L/min | DC+ |
| 1.6 mm | 220-320 | 26-32 | 20-25 L/min | DC+ |
Technical Documentation & Certifications
Download comprehensive technical data, material certificates, and safety information for your project specifications.