When it comes to welding and engineering, the quality of the tools we use plays a critical role in determining the efficiency and durability of the final products. HASTELLOY® G-35® coated electrodes are one of the most popular choices among professionals in the welding industry and for good reason. With excellent mechanical and physical properties and exceptional corrosion resistance, HASTELLOY® G-35® coated electrodes are valuable to any welding toolkit. This blog post will explore the composition, properties, and uses of HASTELLOY® G-35® coated electrodes.
What are HASTELLOY® G-35® Coated Electrodes?
HASTELLOY® G-35® Coated Electrodes are high alloy electrodes specifically developed for welding nickel-base alloys such as HASTELLOY® G-35®, C-22, and C-4. These electrodes provide excellent corrosion resistance in various aggressive environments, including aqueous systems and nonporous media. Furthermore, they have good oxidation properties due to their higher Chromium content. The smooth arc characteristics of these electrodes provide superior deposition profiles conducive to making flat weld beads that easily bridge large gaps. This makes them ideal for critical applications requiring reliable welds with minimal post-weld cleanup time and effort.
HASTELLOY® G-35® Welding Electrodes Composition
HASTELLOY® G-35® electrodes are made primarily of nickel, chromium, and molybdenum, with some niobium added for extra strength. These elements are blended to create a metal alloy highly resistant to corrosion, oxidation, and other types of chemical damage. The electrodes are also coated in a flux layer, which helps protect the metal during welding.
| Nickel: | Balance |
|---|---|
| Chromium: | 32.25-34.25 |
| Molybdenum: | 7.6-9.0 |
| Iron: | 2.0 max. |
| Cobalt: | 1.0 max. |
| Manganese: | 0.5 max. |
| Silicon: | 0.6 max. |
| Carbon: | 0.05 max. |
| Copper: | 0.3 max. |
| Niobium + Tantalum | 0.50 max. |
| Tungsten: | 0.60 max. |
| Aluminum: | 0.40 max. |
| Titanium: | 0.20 max. |
| Vanadium: | 0.20 max. |
| Phosphorus: | 0.03 max. |
| Sulfur: | 0.015 max. |
| Other: | 0.50 max. |
HASTELLOY® G-35® Coated Electrodes Mechanical Properties
HASTELLOY® G-35® wire boast high tensile strength and can withstand extreme temperatures. Their high strength and toughness make them suitable for welding in various applications, including chemical processing, aerospace, and power generation. The electrodes exhibit excellent machining properties and can be easily formed and shaped to fit various welding needs.
| Tensile (psi) | 85,000 |
|---|---|
| Mpa | 590 |
| Elongation (%) | 25 |
HASTELLOY® G-35® Welding Electrodes Physical Properties
In addition to their exceptional mechanical properties, HASTELLOY® G-35® filler metal exhibit unique physical properties. They have excellent resistance to creep, which means they can maintain their strength even when subjected to high temperatures over long periods. Furthermore, they demonstrate superior flexibility and can withstand high-stress levels without deformation or fracture.
HASTELLOY® G-35® Coated Electrodes Trade Names
| Class | UNS | Haynes |
| ENiCrMo-22 | W86035 | HASTELLOY® G-35® |
HASTELLOY® G-35® Welding Electrodes Uses
HASTELLOY® G-35® filler wire are suitable for various applications, including chemical processing plants, power generation facilities, and aerospace applications. They are also ideal for welding sheet metal structures, particularly those subject to extreme temperatures and harsh chemical environments.
HASTELLOY® G-35® Coated Electrodes Corrosion Resistance
Perhaps the most notable feature of HASTELLOY® G-35® welding wire is their exceptional corrosion resistance. The nickel-chromium-molybdenum alloy is highly resistant to various corrosive agents, including sulfuric acid, hydrochloric acid, and nitric acid. This makes the electrodes an ideal choice for welding in chemical processing plants, where exposure to such agents is common.
HASTELLOY® G-35® Welding Electrodes Heat Treatment
HASTELLOY® G-35® electrodes can be treated through a process known as annealing, which involves heating the metal to a specific temperature and then allowing it to cool slowly. Annealing can help to improve the metal’s mechanical properties, including its toughness and flexibility, making it more versatile and suitable for a wider range of applications.
Conclusion
HASTELLOY® G-35® coated electrodes are a valuable asset to any welding toolkit, thanks to their exceptional mechanical and physical properties, corrosion resistance, and heat treatment capabilities. As a highly versatile alloy suitable for chemical processing plants, power generation facilities, and aerospace applications, HASTELLOY® G-35® coated electrodes are ideal for those seeking a reliable and durable welding solution.
Meet Heer, a dynamic and driven writer learning tricks of her trade in the metal industry. With a background in Digital Marketing, Heer brings a unique perspective to her writing, sharing valuable insights. Apart from blogging she like reading and hiking.
