Home > Electrodes > AWS Class ER420 Mig & Tig Filler Welding Wire & Rod
Nakamura Stainless, a prominent manufacturer and supplier based in Pulau Ujong, Singapore, offers a diverse selection of stainless steel welding consumables tailored to meet various industrial needs. The **AWS Class ER420 MIG and TIG Filler Welding Wire and Rod** is a martensitic stainless steel welding consumable known for its high strength, wear resistance, and moderate corrosion resistance. It creates weld deposits that can be hardened through heat treatment, ensuring durability in tough environments. Renowned for its outstanding performance in applications that demand resistance to abrasion, erosion, and mild corrosion, it’s a trusted choice across industries for both fabrication and repair tasks.
The **AWS Class ER420 MIG and TIG Filler Welding Wire and Rod** is primarily composed of 12–14% chromium, along with carbon, manganese, silicon, and iron. This martensitic stainless steel filler is recognized for its high tensile and yield strength, impressive toughness, and robust wear resistance. Weld deposits can be air-hardened or heat-treated to boost hardness and mechanical properties even further. It shows moderate corrosion resistance in atmospheric and mild chemical environments but truly shines in resisting erosion and abrasion. These traits make ER420 an excellent choice for welding and repairing hardenable stainless steel grades.
| 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% |
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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.
The **AWS Class ER420 MIG and TIG Filler Welding Wire and Rod** is extensively utilized in industries that demand high strength and wear resistance. Typical applications include welding turbine components, valve parts, pump shafts, cutlery, surgical instruments, and equipment used in petroleum refining. It’s also effective in overlaying applications where abrasion and erosion resistance are crucial. Furthermore, ER420 is ideal for repairing 420 stainless steel castings and for hardfacing applications. Its capacity to be heat-treated enhances its versatility and performance in various demanding situations.
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