Home > Electrodes > AWS Class ER420 Mig & Tig Filler Welding Wire & Rod
Mbemba Stainless is a reputable manufacturer and supplier located in Kinshasa, Congo, specializing in top-notch AWS Class ER420 MIG and TIG Filler Welding Wire and Rod. These filler materials are specifically crafted for welding high-strength martensitic stainless steels, ensuring outstanding hardness, wear resistance, and structural integrity. Mbemba Stainless takes pride in its precise manufacturing processes, consistent material composition, and adherence to international standards. Their AWS Class ER420 wires and rods offer smooth arc stability, minimal spatter, and robust welds, making them perfect for critical applications in sectors like power generation, petrochemicals, marine, and industrial machinery, where strength, toughness, and corrosion resistance are vital.
The AWS Class ER420 MIG and TIG Filler Welding Wire and Rod primarily consist of chromium with a low nickel content, which gives the alloy its impressive hardness and moderate corrosion resistance. This filler metal boasts a tensile strength of around 600–650 MPa, along with good toughness and ductility after undergoing post-weld heat treatment. It ensures smooth arc performance, minimal spatter, and clean bead formation, resulting in crack-resistant, strong welds with excellent mechanical integrity. The alloy’s composition allows for heat treatment to further boost hardness, strength, and wear resistance, making it suitable for demanding applications.
| Classification | AWS A5.9, ER420 |
| Form | MIG spools, TIG cut lengths, Reels and Coils |
| Type Of Welding | Inert Gas Welding |
| Current | MIG-DCEP / TIG-DCEN |
| Diameters | .023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8” |
| Standard TIG straight lengths are available | 36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request. |
| AWS ER420 MIG & TIG Filler Metal Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.03 | 19.5-22.0 | 9.0-11.0 | 0.75 | 1.0-2.5 | 0.65-1.00 | 0.03 | 0.03 | 0.75 |
| Tensile Strength (psi) | 86,000 psi (593 MPa) |
|---|---|
| Yield Strength (psi) | 57,000 psi (393 MPa) |
| Elongation (%) | 42% |
Contact us to get a quick quote for your requirement.
ER420 MIG filler wire offers high hardness and wear resistance, ideal for welding martensitic stainless steels in applications requiring durable and abrasion-resistant joints under high stress.
ER420 TIG filler wire provides excellent hardness and wear resistance, suitable for welding martensitic stainless steels, ensuring strong, durable welds in high-stress and abrasive environments.
ER420 TIG filler rod delivers superior hardness and abrasion resistance, perfect for welding martensitic stainless steels in applications demanding high strength, durability, and performance under extreme conditions.
We guarantee the highest quality of our AWS Class ER420 MIG and TIG Filler Welding Wire and Rod through thorough in-house testing and inspection. Our team conducts rigorous evaluations to confirm the product’s performance, strength, and durability in various conditions. We are committed to on time and efficient delivery. Guaranteeing our clients receive their orders on time. This approach guarantees that every product meets the expectations of our customers without any delays.
These AWS Class ER420 MIG and TIG Filler Welding Wire and Rod are commonly used for welding martensitic stainless steels in situations that demand high strength, wear resistance, and moderate corrosion resistance. Typical applications include the fabrication and repair of turbines, shafts, valves, pumps, and structural components in power plants, petrochemical facilities, and heavy machinery. They are also well-suited for marine applications and industrial equipment that face mechanical stress, abrasion, and high temperatures. With their exceptional weldability, mechanical performance, and reliability, they are a go-to choice for critical fabrication and maintenance projects.
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