Conra Welding Supplies is a well-respected manufacturer and supplier of top-notch welding products located in Houston, USA. They specialize in stainless steel ER-312 filler wires and have built a strong reputation for excellence and reliability. Conra is dedicated to providing advanced welding solutions for industries that require superior metal joining performance. Their ER-312 filler wires are crafted to meet strict quality standards, ensuring outstanding performance across a variety of welding applications. With a team of experts and prompt customer service, Conra guarantees that every product helps achieve optimal results, even in tough environments, making them a go-to choice for professionals throughout the United States.
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Classification : AWS A5.9 ER-312, A5.9M:2006
Soft Wire Diameter Range : 0.06mm – 2.30 mm
Hard Wire Diameter Range : 0.30mm – 3.00mm
Diameter : .035”, .045”, 1/16”, 3/32”, 1/8”, 5/32”
Length : 36″ (914mm) Customized
Materials : ER-312 Stainless Steel
Form : Filler Wires
Stainless steel ER-312 filler wires are primarily made up of 29–31% chromium and 8–10% nickel, which gives them excellent resistance to heat and corrosion. These wires boast high tensile strength, typically around 860 MPa, and a yield strength of about 630 MPa, with an elongation of 25–35%. Their unique composition provides superior crack resistance, even in challenging welding conditions. Featuring a ferrite-austenite microstructure, ER-312 wires offer exceptional weld metal toughness and strength. These characteristics make them perfect for welding dissimilar steels and high-alloy stainless steels that are exposed to extreme environments.
| Grade | C | Cr | Ni | Mo | Mn | Si | P | S | N | Cu |
| SS ER-312 | 0.15 | 28.0-32.0 | 8.0-10.5 | 0.75 | 1.0-2.5 | 0.30-0.65 | 0.03 | 0.03 | – | 0.75 |
| STANDARD | AWS | UNS | DIN | Class | EN | BS |
| SS ER-312 | A5.9 | S31380 | 1.4337 | ER312 | 29 9 | 312S94 |
| Tensile Strength (ksi) | Yield Strength (ksi) | Percent Elongation” |
| 770(112) | 620(90) | 27% |
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Conrad Welding Supplies is a prominent manufacturer and supplier of top-tier Stainless Steel ER-312 Filler Wires in Houston , USA. We specialize in providing advanced welding solutions and offer a wide range of products, including coated electrodes, welding electrodes, flux core, MIG & TIG welding wires, SAW flux, and filler wires. Known for reliable delivery and outstanding customer service, we are committed to offering high-quality welding materials that ensure durability and optimal performance for various industrial applications. Our dedication to excellence has made us a trusted partner for all your welding needs.
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Stainless steel ER-312 filler wires are commonly used in industries where welding dissimilar metals or repairing high-alloy steels is crucial. They excel at joining hard-to-weld steels, such as those found in heat exchangers, furnace components, and pressure vessels. Their high resistance to cracking makes them ideal for overlay applications and surfacing operations where wear and corrosion are significant concerns. Additionally, they perform exceptionally well in repair and maintenance welding of tools, dies, and machine components, making them indispensable in the petrochemical, power generation, and heavy equipment sectors.
We provide high-quality electrodes, filler wire, MIG and TIG welding wires to a wide range of industries, including oil and gas, food, marine, petrochemical, power generation, and aerospace.
Conrad Welding Supplies is a leading manufacturer, supplier and exporter of high-quality Coated Electrodes, Flux Core, MIG & TIG wires, SAW & Flux, Welding Wires, and Filler Wires, catering to various industries in Houston , USA
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