ERNiCr-3 (ER6082) -Nickle Alloy Wire
ERNiCr-3 (ER6082) -Nickle Alloy Wire
Technical Compliance: AWS 5.14 Class ERNiCr-3/ ASME SFA 5.14 Class ERNiCr-3
ERNiCr-3 Nickel Alloy Welding Wire – Versatile Solution for High-Temperature & Cryogenic Applications
Product Overview
ERNiCr-3 is a premium nickel-chromium alloy solid welding wire designed for joining nickel-based alloys, high-temperature creep-resistant steels, heat-resistant steels, cryogenic steels, and dissimilar metal combinations. Its advanced composition ensures reliable performance in critical applications where thermal stability, oxidation resistance, and crack prevention are paramount.
Key Features & Benefits
Broad Material Compatibility: Seamlessly welds nickel-based alloys, ferritic-austenitic steels, and low-alloy steels, enabling repairs and fabrications across diverse industries.
High-Temperature Performance: Ideal for ferritic-austenitic steel connections at operating temperatures above +300°C (572°F), with exceptional oxidation resistance up to +1200°C (2192°F) in sulfur-free environments.
Cryogenic Durability: Maintains structural integrity in temperatures as low as -196°C (-321°F), making it perfect for pressure vessels in LNG and cryogenic storage systems.
No Post-Weld Heat Treatment (PWHT) Required: Simplifies fabrication by eliminating the need for additional thermal processes, reducing costs and project timelines.
Superior Crack Resistance: Minimizes thermal cracking and brittleness during dissimilar metal welding, ensuring long-term reliability.
Low Carbon Diffusion: Reduces carbon migration during high-temperature heat treatment, preserving material integrity and preventing embrittlement.
Applications
Pressure Vessels & Piping: For operation in -196°C to +550°C (-321°F to +1022°F) ranges, including chemical reactors and heat exchangers.
Power Generation: Boilers, turbines, and superheaters exposed to high-temperature steam and oxidation.
Oil & Gas: Downhole equipment, sour gas pipelines, and cryogenic storage systems.
Aerospace & Defense: High-temperature components requiring oxidation resistance and thermal stability.
Industrial Repairs: Restoring low-alloy steels and dissimilar metal joints without post-weld treatments.
Why Choose ERNiCr-3?
Proven Reliability: Tested in extreme environments, ensuring consistent performance under thermal cycling and stress.
Cost-Efficient: Reduces downtime and maintenance by preventing cracks and oxidation-related failures.
Ease of Use: Compatible with GTAW (TIG) and GMAW (MIG) processes, offering flexibility for manual and automated welding.
Ideal for industries where temperature extremes, oxidation, and material mismatches are critical challenges, ERNiCr-3 empowers engineers to build durable, high-performance assemblies with confidence.
| Chemical Composition | ||||||
| ElEMENT | C | Mn | Fe | P | S | Si |
| AWS A5.14% | <0.1 | 2.5-3.5 | <3 | <0.03 | <0.015 | <0.5 |
| ADTO WIRE% | 0.03 | 3 | 0.15 | 0.01 | 0.01 | 0.1 |
| ElEMENT | Cu | Ni | Co | Ai | Ti | Cr |
| AWS A5.14% | <0.5 | 67min | / | / | <0.75 | 18-22 |
| ADTO WIRE% | 0.1 | 72 | / | / | 0.3 | 20 |
| ElEMENT | Nb+Ta | Other | ||||
| AWS A5.14% | 2.0-3.0 | <0.5 | ||||
| ADTO WIRE% | 2.6 | 0.1 | ||||
| Mechanical Properties | |
| TENSILE TRENGTH | 550MPA |
| Welding Wire Diameter Chart | ||
| WEIGHT | TYPE | OD/MM |
| 15/Coil | Mig | 0.9 |
| 15/Coil | Mig | 1.2 |
| 15/Coil | Mig | 1.6 |
| 5kg | Tig | 1.6 |
| 5kg | Tig | 2.4 |
| 5kg | Tig | 3.2 |
| Stanard Packaging | |
| TIG | 10 Ib.tube/ 60Ib. carton |
| MIG | 30 Ib.spool |
| SUB-ARC | 60 Ib.coil |
| Production Equipments | ||
| EQUIPMENT | QUANTITY | MODEL NUMBER |
| Vacuum melting furnace | 1 | 2 Tons |
| Electroslag remelting furnace | 12 | 50 kg |
| Electroslag remelting furnace | 1 | 2 Tons |
| Wire Rod Annealing furnace | 7 | - |
Wire Drawing Machine | 4 | - |
| Annealing Furnace | 1 | - |
Wire Cutting and Straightening Machine | 1 | - |








