Conrad Welding Supplies, a trusted manufacturer and supplier located in Houston, USA, provides top-notch Stainless Steel ER 347 Welding Wire. This wire is specifically crafted for applications that demand exceptional resistance to intergranular corrosion and high-temperature strength. It’s a stabilized austenitic stainless steel wire that works wonders for welding 347 and 321 grades, particularly in settings that experience thermal cycling and oxidizing conditions. With Conra’s ER 347 welding wire, you can expect outstanding arc stability, a smooth bead appearance, and welds that resist cracking. Catering to various industries across the USA, Conrad Welding Supplies is committed to delivering reliable, precision-engineered filler metals for critical fabrication and repair tasks in challenging service environments.
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| Type | Spool (MIG) | Tube (TIG) | ||||||
Specification ( MM ) | 0.8、0.9、1.0、1.2、1.6、2.0 | 1.6、2.0、2.4、3.2、4.0、5.0 | ||||||
| Package | S100/1kg S200/5kg S270,S300/15kg-20kg | 5kg/box 10kg/box length :1000MM | ||||||
| Mechanical Properties | Tensile Strength Mpa | Elongation after fracture A（%） | ||||||
| ≥ 520 | ≥ 30 | |||||||
| Diameter（MM） | 0.8 | 1.0 | 1.2 | 1.6 | 2.0 | 2.5 | 3.2 | |
| Current（A） | 70 ~ 150 | 100 ~ 200 | 140 ~ 220 | 50 ~ 100 | 100 ~ 200 | 200 ~ 300 | 300 ~ 400 | |
Standard： AWS A 5.9 YB/T5092 | Chemical Composition % | ||||||||
| C | Mn | Si | Cr | Ni | P | S | Mo | Cu | |
Grade ER 347 | ≤0.03 | 1.0 – 2.5 | 0.3 – 0.65 | 23 – 25 | 12 – 14 | ≤0.03 | ≤0.03 | ≤0.75 | ≤0.75 |
| UTS | Elongation |
| (MPa) | (L= 4d)% |
| 570 | 32.0 |
The Stainless Steel ER 347 Welding Wire is primarily made up of 19–21% chromium and 9–11% nickel, with columbium (niobium) added to prevent carbide precipitation. This filler wire creates a fully austenitic weld deposit that boasts excellent resistance to intergranular corrosion, even after being exposed to high temperatures for extended periods. Its mechanical properties include a tensile strength of around 570 MPa, good elongation, and impressive creep resistance. It’s compatible with both MIG and TIG welding processes, ensuring consistent weld quality, especially for high-temperature or pressure-retaining equipment made from stabilized stainless steels.
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Conrad Welding Supplies, based in Houston , USA, is a trusted manufacturer and distributor of Stainless Steel ER 347 Welding Wire, known for its excellent high-temperature strength, corrosion resistance, and stability. Our premium ER 347 welding wire is designed for MIG, TIG, and arc welding, ensuring superior performance in industries such as aerospace, chemical processing, power generation, and automotive. With a high chromium and nickel content, along with niobium stabilization, it offers enhanced resistance to intergranular corrosion and high-temperature oxidation. We are committed to providing reliable welding solutions with exceptional quality and customer service.
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You’ll find Stainless Steel ER 347 Welding Wire widely utilized in sectors like aerospace, chemical processing, petroleum refining, power generation, and food processing. It’s perfect for welding stainless steels that face temperatures ranging from 800°F to 1600°F, including components for furnaces, boiler tubes, heat exchangers, and pressure vessels. The niobium stabilization effectively prevents intergranular corrosion, making it suitable for prolonged high-heat service. ER 347 is also a go-to choice for fabricating or repairing stainless steel piping and structural assemblies where strength, corrosion resistance, and thermal stability are crucial for long-lasting performance.
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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