Conrad Welding Supplies, based in Houston, USA, stands out as a leading manufacturer and supplier of Cobalt Base Alloys ERCoCr-A Filler Wire. This wire is specifically crafted for welding and hardfacing tasks that demand top-notch wear, galling, and corrosion resistance. As part of the Stellite® alloy family, it excels in environments where metal rubs against metal, high temperatures, and harsh conditions are the norm. Manufactured in line with AWS A5.21 (ERCoCr-A) standards, it ensures smooth arc transfer and minimal spatter, delivering outstanding weld quality. You’ll find Conrad’s ERCoCr-A wire commonly used in valves, pumps, dies, cutting tools, and even in nuclear and aerospace applications.
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| Classification | AWS A5.13, ECOCR-A |
| Form | Welding Electrode, Welding Rods |
| Type Of Current | Direct Current Electrode Positive (DCEP) |
| Size | 2.6 mm (3/32″) 3.2 mm (1/8″) 4.0 mm (5/32″) 5.0 mm (3/16″) 6.4 mm (1/4″) |
| Welding Positions | All positions (F, V, OH, H) |
| AWS ECOCR-A Welding Electrodes Application & uses |
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| Class | UNS | Stellite |
| ECOCR-A | W73006 | Stellite® 6 |
The ERCoCr-A Filler Wire is made up of about 60% cobalt, 27–32% chromium, around 3% tungsten, and roughly 2.5% carbon, along with small amounts of nickel and silicon. This unique blend offers remarkable resistance to wear, galling, and corrosion, especially in high-stress situations. The weld metal that’s deposited reaches a hardness of about 40–45 HRC, boasting excellent thermal stability and oxidation resistance up to 1100°C. It also features good toughness and impact resistance, even when exposed to elevated temperatures. This wire is compatible with both GTAW (TIG) and PAW (Plasma Arc Welding), ensuring top-notch metallurgical integrity.
| C | Mn | Si | Cr | Ni | Mo | Fe | W | Co | Other |
| 0.7-1.4 | 2.0 | 2.0 | 25-32 | 3.0 | 1.0 | 5.0 | 3.0-6.0 | Rem | 1.0 |
| ECoCr-A | : | 38-44(370-440) |
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Conrad Welding Supplies is a Top manufacturer and supplier of high-quality Cobalt Base Alloys ECOCR-A Welding Electrodes in Houston , USA. Specializing in welding solutions, we provide a wide range of products, including coated electrodes, welding electrodes, flux core, MIG & TIG welding wires, SAW flux and filler wires. Known for our reliable delivery and superior customer service, We are committed to offering top-tier welding materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your welding needs.
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Cobalt Base Alloys ERCoCr-A Filler Wire is extensively utilized in hardfacing applications where it’s crucial to resist metal-to-metal wear, thermal fatigue, and oxidation. You’ll often see it used on valve seats, sealing surfaces, pump shafts, cutting tools, hot shears, and bearings across industries like nuclear, aerospace, oil & gas, and power generation. This filler wire provides a robust, high-hardness overlay for components that face sliding wear, high pressure, and thermal cycling. Its effectiveness in corrosive and oxidizing environments makes it a perfect choice for turbines, heat exchangers, and various industrial chemical applications.
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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