Home > Electrodes > AWS Class ER312 MIG & TIG Filler Welding Wire & Rod
Niazi Stainless stands out as a top-notch manufacturer and supplier based in Manama, Bahrain, specializing in high-quality **AWS Class ER312 MIG and TIG Filler Welding Wire and Rod**. These products are crafted for high-performance welding of stainless steels and different metal joints. Known for their unwavering quality, precision, and durability, Niazi Stainless offers filler materials that ensure excellent arc stability, smooth metal transfer, and robust, corrosion-resistant weld deposits. Their ER312 wires and rods are specifically designed for joining austenitic stainless steels to carbon or low-alloy steels, guaranteeing reliable weld integrity even in tough fabrication, repair, and maintenance tasks across a variety of industries.
The AWS Class ER312 MIG and TIG Filler Welding Wire and Rod are made up of chromium (around 25–27%) and nickel (12–14%), which provide outstanding high-temperature strength, oxidation resistance, and corrosion resistance. On a mechanical level, these fillers boast high tensile strength, good ductility, and dependable toughness. Their formulation ensures smooth arc characteristics, easy metal transfer, and a consistent bead appearance, making them perfect for both MIG and TIG welding processes on stainless steels and dissimilar metals.
| 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 |
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| 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.
These AWS Class ER312 MIG and TIG Filler Welding Wire and Rod are extensively utilized in industries that require dissimilar metal welding or high-temperature stainless steel applications. You’ll often find them in chemical processing equipment, petrochemical plants, boilers, heat exchangers, pressure vessels, and structural components where stainless steel needs to be joined to carbon steel. They’re also great for repair, maintenance, overlay, and cladding operations, delivering strong, durable, and corrosion-resistant welds in critical industrial settings.
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