Zirconium 702 is a highly corrosion-resistant metal known for its exceptional performance in aggressive environments, making it a popular choice in various industries, particularly in chemical processing and nuclear applications. When it comes to welding Zirconium 702, specialized welding rods or filler wires are essential to ensure the integrity of the weld and maintain the material's corrosion resistance.
Zirconium 702 welding rods or filler wires are specifically designed to match the composition of Zirconium 702 base metal. These filler materials play a crucial role in the welding process, providing a compatible alloy that ensures a strong and durable bond between Zirconium 702 components. The welding rods are typically available in various diameters to accommodate different welding applications and requirements.
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One of the key characteristics of Zirconium 702 welding rods is their high resistance to corrosion, even in challenging environments such as those with acidic or corrosive substances. This corrosion resistance is a vital property, especially in industries where the equipment is exposed to harsh chemicals or extreme conditions.
The welding process for Zirconium 702 involves using specialized welding techniques, such as gas tungsten arc welding (GTAW) or tungsten inert gas (TIG) welding. These processes allow for precise control over the welding parameters, ensuring a clean and well-controlled weld. Proper welding procedures are crucial to maintain the corrosion-resistant properties of Zirconium 702 and to prevent the introduction of impurities that could compromise the material's performance.
Zirconium 702 welding rods are often manufactured with strict quality control measures to meet industry standards and specifications. This ensures that the welding material complies with the required chemical composition and mechanical properties, providing reliability and consistency in the welding process.
AWS A 5.14
0.60 mm to 1.60 mm (0.025” to 0.062”)
Zirconium 702
1/16" (1.6 mm)
1.6-3.2mm
Filler Wire / Welding Rod
Brigh, Anneal
| STANDARD | WERKSTOFF NR. | UNS |
| Zirconium 702 | - | R60702 |
| Grade | Zr+Hf | Hf | Fe+Cr | Sn | H | N | C | O | Nb |
| R60702 | 99.2% | <4.5% | <0.20% | – | <0.005% | <0.015% | <0.030% | <0.15% | – |
| Molecular Weight | 91.22 |
| Appearance | White |
| Melting Point | 1852 °C |
| Boiling Point | 3580 °C |
| Density | 6506 kg/m3 |
| Solubility in H2O | N/A |
| Electrical Resistivity | 40.0 microhm-cm @ 20 oC °C |
| Electronegativity | 1.4 Paulings |
| Heat of Fusion | 5.50 Cal/gm mole |
| Heat of Vaporization | 120 K-Cal/gm atom at 4377 °C |
| Poisson’s Ratio | 0.34 |
| Specific Heat | 0.0671 Cal/g/K @ 25 oC °C |
| Tensile Strength | 230 MPa |
| Thermal Conductivity | 0.227 W/cm/K @ 298.2 K |
| Thermal Expansion | (25 °C) 5.7 µm·m-1·K-1 |
| Vickers Hardness | 903 MPa |
| Young’s Modulus | 88 GPa |
Oil & Gas Industrires
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Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
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Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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