Home > Electrodes > AWS Class ER420 Mig & Tig Filler Welding Wire & Rod
Mitchell Stainless, a trusted manufacturer and supplier in Hamilton, New Zealand, offers high-quality ER420 MIG and TIG filler wires and rods designed for welding martensitic stainless steels. These fillers provide stable arc performance, smooth bead appearance, and strong, crack-resistant welds. Mitchell Stainless ensures consistent quality and reliable weldability, supporting fabricators and maintenance teams in structural, industrial, and high-strength applications. ER420 filler wires and rods are particularly suitable for components requiring moderate corrosion resistance, high strength, and durability under service conditions.
AWS Class ER420 MIG and TIG filler welding cord and rod are designed for welding martensitic stainless steels imparting excessive hardness and high-quality wear resistance. This filler cloth is ideal for programs requiring durable and abrasion-resistant welds. The composition of ER420 commonly consists of 12-14% chromium and about zero.15-0.30% carbon, with small amounts of manganese and silicon. This alloy’s high chromium content enhances its resistance to corrosion and oxidation, even as the carbon content contributes to its hardness and put on resistance. ER420 is normally used within the restore and fabrication of components uncovered to high-strain and abrasive conditions.
| 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.
ER420 filler wires and rods are commonly used for welding martensitic stainless steels such as AISI 410 and 420. Typical applications include shafts, valves, pump components, structural parts, and pressure vessels exposed to moderate corrosion or mechanical loads. They are also used in repair welding and maintenance of industrial equipment requiring durability and high strength. In New Zealand’s fabrication and maintenance industries, ER420 filler wires and rods are valued for producing reliable, high-strength welds with good corrosion resistance in moderate environments.
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