A reputable producer and supplier of premium Hastelloy C-4 Coated Electrodes, Conrad Welding Supplies is based in Houston, USA, and is built to perform exceptionally well in demanding conditions. Conrad Welding Supplies has a solid reputation for providing long-lasting and corrosion-resistant welding solutions, meeting the demanding needs of sectors like petrochemicals, power generation, chemical processing, and marine. Electrodes coated with hastelloy C-4 are renowned for their exceptional resistance to oxidising agents, stress corrosion, and cracking. Conrad Welding Supplies guarantees consistent weld integrity, high productivity, and customer satisfaction in both domestic and international markets thanks to its skilled engineering and strict quality control.
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| Classification | AWS A5.11, ENiCrMo-7 |
| Form | Welding Electrode, Welding Rods |
| Type Of Current | Direct Current Electrode Positive (DCEP) |
| Diameters | 3/32”, 1/8”, 5/32”, 3/16” or 2.5mm, Ø 3.2mm, Ø 4.0mm, Ø 5.0mm |
| Size | 2.0mm ∞ 5.0mm |
| AC/DC+ | 50-80, 80-110, 100-135, 140-180 |
| Welding Positions | All positions 5/32” & 3/16” recommended for use in flat & horizontal positions only (F, V, OH, H) |
| HASTELLOY® C-4 Coated Electrodes Application & uses |
|
Nickel (65–70%), chromium (14–18%), molybdenum (15–17%), and low carbon content make up the majority of Hastelloy C-4 Coated Electrodes. This composition improves corrosion resistance by offering exceptional stability against grain boundary precipitation during welding. These electrodes have good elongation (≥30%), yield strength of 280–350 MPa, and tensile strength of roughly 690 MPa. Under oxidising or reducing conditions and at high temperatures, they retain their structural integrity. They are appropriate for welding high-performance alloys in demanding conditions because of the coating’s ability to guarantee a steady arc, little spatter, and smooth slag removal.
| Nickel: | Balance |
|---|---|
| Chromium: | 14.0-18.0 |
| Molybdenum: | 14.0-17.0 |
| Iron: | 3.0 max. |
| Cobalt: | 2.0 max. |
| Manganese: | 1.5 max. |
| Titanium: | 0.70 max. |
| Copper: | 0.50 max. |
| Other | 0.50 max. |
| Tungsten: | 0.50 max. |
| Silicon: | 0.20 max. |
| Phosphorus | 0.04 max. |
| Carbon: | 0.0015max. |
| Sulfur: | 0.03 max. |
| Tensile (psi) | 100,000 |
|---|---|
| Mpa | 690 |
| Elongation (%) | 25 |
| Class | UNS | Haynes |
| ENiCrMo-7 | W860675 | HASTELLOY® C-4 |
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Conrad Welding Supplies is a Top manufacturer and supplier of high-quality Hastelloy C-4 Coated 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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Industries that demand exceptional corrosion resistance in challenging chemical and thermal environments make extensive use of Hastelloy C-4 Coated Electrodes. Welding reactors, heat exchangers, and pressure vessels in chemical processing facilities, as well as machinery in the pulp and paper, pharmaceutical, and power generation sectors, are common uses. These electrodes are perfect for connecting dissimilar materials exposed to strong acids and oxidisers with base metals of Hastelloy C-4. They are indispensable for structural welding in demanding industrial environments, both onshore and offshore, due to their stability at high temperatures and resistance to pitting, crevice corrosion, and stress corrosion cracking.
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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