Home > Electrodes > AWS Class ER312 MIG & TIG Filler Welding Wire & Rod
Njabulo Stainless is a reputable manufacturer and supplier located in Cape Town, South Africa, focusing on top-notch welding consumables. They provide a wide array of products, including the AWS Class ER312 MIG and TIG filler welding wire and rod, which are celebrated for their outstanding performance in tough conditions. With a strong dedication to quality, reliability, and customer satisfaction, Njabulo Stainless serves various industries like construction, manufacturing, and repair services by delivering durable and precise welding solutions that meet both local and international standards.
The AWS Class ER312 filler metals are generally made from austenitic stainless steel, featuring a high chromium content (around 20-22%) and nickel (approximately 12-15%), along with small amounts of manganese and silicon. This unique blend grants excellent corrosion resistance and high-temperature strength. In terms of mechanics, ER312 wire and rod boast good tensile strength, typically around 75 ksi (515 MPa), along with impressive ductility and toughness, making them perfect for welding dissimilar metals and applications that require crack resistance.
| Classification | AWS A5.9, ER312 |
| 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 ER312 MIG & TIG Filler Metal Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.15 | 28.0-30.0 | 20.0-22.0 | 0.75 | 1.0-2.5 | 0.30-0.65 | 0.03 | 0.03 | 0.75 |
| Yield, kpsi: | 78 |
| Tensile Strength, kpsi: | 109 |
| Elongation%, min: | 45 |
Contact us to get a quick quote for your requirement.
ER312 MIG filler wire excels in welding dissimilar metals and high-strength steels, offering robust strength and corrosion resistance, ideal for heavy machinery, construction, and shipbuilding applications.
ER312 TIG filler wire provides high strength and wear resistance for welding dissimilar metals. It ensures strong, durable welds with excellent corrosion resistance, suitable for aerospace and industrial repairs.
ER312 TIG filler rod is designed for high-strength welds on dissimilar metals, offering superior durability and corrosion resistance. Ideal for demanding applications in heavy machinery and construction.
After manufacturing, our quality control team conducts comprehensive destructive and non-destructive testing using advanced tools to ensure the reliability of AWS Class ER312 MIG and TIG Filler Welding Wire and Rod. Then securely we package the products and guarantee timely delivery to customers, providing all necessary documentation along with the shipment for a seamless experience.
AWS Class ER312 welding wire and rod are commonly utilized for welding different types of metals, such as connecting stainless steel to carbon steel or low alloy steel. This versatility makes them perfect for repair jobs, overlay welding, and creating components that face high temperatures and corrosive environments. Typical applications include chemical processing equipment, pressure vessels, heat exchangers, and power plants. Their remarkable crack resistance and mechanical properties ensure dependable welds in critical industrial and manufacturing sectors.
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