Home > Electrodes > AWS Class ER312 MIG & TIG Filler Welding Wire & Rod
Khaleed Stainless is a reliable manufacturer and supplier of AWS Class ER312 MIG and TIG Filler Welding Wire and Rod based in Riyadh, Saudi Arabia. We pride ourselves on delivering top-notch welding consumables that excel in tough applications. ER312 is a high-alloy stainless steel filler known for its exceptional crack resistance and strength, particularly when welding different types of metals. With a high ferrite content, it guarantees toughness and durability, even in high-temperature and corrosive settings. It’s celebrated for its smooth arc stability and minimal spatter, ensuring excellent weld bead quality and consistency in both fabrication and repair tasks.
Typically, AWS Class ER312 MIG and TIG Filler Wire and Rod consists of chromium (29–32%), nickel (8–10%), and manganese (0.5–2%). This high chromium and moderate nickel blend offers remarkable resistance to oxidation and corrosion, even at elevated temperatures. The mechanical properties include a tensile strength of about 650–750 MPa, a yield strength of around 400 MPa, and an elongation of 25–35%. The weld deposits are known for their outstanding toughness, resistance to cracking, and stability during thermal cycling, making them perfect for demanding environments.
| 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 |
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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 MIG and TIG filler material welding lines and rods are commonly used in welding dis-similar metals, more especially where high strength and durability are called for. Their mechanical properties make them ideal for employment in heavy machinery, construction, shipbuilding, and aerospace. Particularly, ER312 is effective in welding high strength metals and overlays where the materials can be corroded and can be worn off. The alloys high chromium content and nickel content are also beneficial in their resistance to corrosion and cracks. Therefore, this product has applications in heavy industries besides repair and maintenance of equipment-related applications. The welding process promises to ensure durable and reliable welds in a wide range of applications.
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