Home > Electrodes > AWS Class ER312 MIG & TIG Filler Welding Wire & Rod
MERIH STAINLESS, located in Istanbul, Turkey, has earned a solid reputation as a reliable manufacturer and supplier of top-notch stainless steel welding consumables. They specialize in AWS Class ER312 MIG and TIG Filler Welding Wires and Rods. With a keen emphasis on quality, durability, and performance, this company provides welding solutions that are crafted to meet international standards. The ER312 filler wires and rods are engineered for exceptional strength, corrosion resistance, and versatility in tough environments. MERIH STAINLESS guarantees precision in manufacturing, consistent chemical composition, and dependable mechanical properties, catering to industries around the globe that require excellence in stainless steel welding consumables for critical fabrication and repair tasks.
The AWS Class ER312 MIG and TIG Filler Welding Wire and Rod features about 29–32% Chromium and 8–10.5% Nickel, creating a well-balanced microstructure that boasts high resistance to cracking. Its elevated ferrite content ensures remarkable strength and toughness, even in extreme thermal conditions. The weld deposits exhibit tensile strength surpassing 850 MPa, along with impressive yield strength and elongation characteristics. This filler metal is designed to resist oxidation, scaling, and abrasion, making it perfect for joining dissimilar steels or welding steels with uncertain compositions, all while providing stable arc performance and consistent weld quality.
| 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.
ER312 MIG and TIG Filler Welding Wire and Rod is commonly utilized in applications that demand outstanding strength and resistance to wear, scaling, and heat. It’s ideal for welding dissimilar steels, such as stainless steel to carbon steel, tool steel to stainless, or high-alloy steels. Its remarkable crack resistance makes it a go-to choice for maintaining and repairing equipment that faces harsh conditions. Industries like petrochemical, power generation, cement, steel manufacturing, and mining depend on ER312 for fabricating and repairing crucial components that need to endure corrosion, high temperatures, and significant mechanical stresses.
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