Home » Electrical Equipment » Electrodes » 3.15mmx350mm cobalt ECoCr-E Welding Electrodes, Size/Diameter: 2.5 mm X 450 mm
3.15mmx350mm cobalt ECoCr-E Welding Electrodes, Size/Diameter: 2.5 mm X 450 mm
₹ 5,000 Get Latest Price
Product Specifications
| Material | cobalt |
| Application/Usage | Automotive |
| Availability | In Stock |
| Coating type | Rutile |
| Operating Current | AC |
| Size | 3.15mmX350mm |
| Size/Diameter | 2.5 mm X 450 mm |
| Tensile strength | 70000 psi |
| Welding current range | 120 A |
GST No - 27AAEPD6088P1Z5 | Member since 2026
Ground Floor,, 7A,202D, Parekhwadi, Vitthalbhai Patel Road, Tilak Nagar,Girgaon, Mumbai, Maharashtra, 400004
3.15mmx350mm cobalt ECoCr-E Welding Electrodes, Size/Diameter: 2.5 mm X 450 mm Read More...
Product Details
ECoCr-E is a cobalt-based hardfacing alloy classified under the AWS A5.21 specification, primarily used for surfacing applications where extreme wear resistance, corrosion resistance, and high-temperature strength are required. It belongs to the cobalt-chromium family of alloys and is similar in composition to other Stellite-type materials. ECoCr-E contains high levels of cobalt (Co) and chromium (Cr), along with notable amounts of carbon (C), which contribute to the formation of hard carbides within the microstructure. These carbides are responsible for the alloy's excellent resistance to metal-to-metal wear, galling, and erosion. What distinguishes ECoCr-E from other cobalt alloys, such as ECoCr-A, is its higher carbon content, which makes it significantly harder and more wear-resistant, but also slightly more brittle. This makes ECoCr-E ideal for applications involving severe abrasive wear and low-impact conditions, where the surface is subjected to continuous friction or particle erosion rather than mechanical shock. It retains its hardness and performance at elevated temperatures—often up to 1000°C (1832°F)—making it well-suited for components in high-heat environments such as valve seats, cutting tools, pump sleeves, and engine parts in the aerospace, power generation, and petrochemical industries. ECoCr-E is typically deposited using welding processes like Gas Tungsten Arc Welding (GTAW), Plasma Arc Welding (PAW), or Oxyacetylene Welding, and is usually supplied in bare rods or wire. Because of its hardness, it can be more difficult to machine and may require grinding rather than traditional cutting methods. Overall, ECoCr-E is a top choice when long-lasting surface protection is needed against wear and corrosion in the most demanding environments.
Ground Floor,, 7A,202D, Parekhwadi, Vitthalbhai Patel Road, Tilak Nagar,Girgaon, Mumbai, Maharashtra, 400004
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