Material
Nickel Alloys
Nickel alloys are high-performance engineering materials used in environments involving elevated temperatures, corrosion, mechanical stress, or aggressive chemicals. They are commonly specified for aerospace, energy, chemical processing, and industrial equipment where conventional stainless steels may not provide sufficient performance.
Material overview
Nickel-based alloys are engineered to provide combinations of high-temperature strength, oxidation resistance, corrosion resistance, and mechanical stability.
Their properties vary significantly according to alloy composition and processing condition.
Common grades include:
- Alloy 625 / UNS N06625: A nickel-chromium-molybdenum alloy offering excellent resistance to many corrosive environments.
- Alloy 718 / UNS N07718: A precipitation-hardenable alloy used for high-strength aerospace and energy components.
- Alloy 600 / UNS N06600: A nickel-chromium alloy used in selected high-temperature and corrosion-resistant applications.
- Alloy C-276 / UNS N10276: A nickel-molybdenum-chromium alloy designed for demanding chemical processing environments.
- Alloy 400 / UNS N04400: A nickel-copper alloy offering corrosion resistance in selected marine and chemical applications.
Manufacturing methods include CNC turning, milling, 5-axis machining, forging, casting, and specialized welding.
Nickel alloys can be difficult to machine because of work hardening, high cutting forces, and tool wear. Manufacturing planning should account for tooling, coolant selection, and controlled cutting conditions.
Typical applications include turbine components, chemical processing equipment, valves, heat exchangers, and energy-sector hardware.
RFQs should specify the exact alloy designation, applicable ASTM or EN standard, material condition, mechanical requirements, dimensional tolerances, quantity, and inspection documentation.
Critical applications may require full material traceability, EN 10204 Type 3.1 certificates, nondestructive testing, and additional mechanical verification.
Metraxio supports technically detailed nickel alloy manufacturing requests for demanding industrial applications.