Molybdenum Alloy 365 Chemical Composition Properties, Grade, Tables and PDF Online

A molybdenum-based alloy 365, with high strength and excellent resistance to both high temperature and corrosion, is famed for having superior mechanical performance under extreme conditions. The composition of its chemistry is composed of about 35% nickel, 16% chromium, and 5.5% iron; this with about 0.35 carbon is among many other elements. This alloy having a high temperature thermal creep deformation resistance and a stable condition up to 1600°C temperature, is a remarkable alloy. Grade 365 provides a unique substitute in aerospace, nuclear, and chemical processing fields where uncompromisable mechanical properties and reliability are critical. Comprehensive tables, charts and PDF documents as well as magnifying material's mechanical and thermal properties can be found on online making it easier for engineers and researchers to choose the right material for special purpose that require state of the art conditions.

Molybdenum Alloy 365 Chemical Composition And Grade Table

Molybdenum Alloy 365 also known as its title (strength and remaining intact in corrosive environment) is a perfect blend of chemistry which can endure in harsh industry conditions. It mainly comprises molybdenum which usually exceeds 99% while it contains trace elements to improve its properties. The steels 365 often involve small proportions of chrome, nickel, iron and other elements, carefully screened out to enhance their performance in the specific uses. The chemical composition and specification of the Molybdenum Alloy 365 are a perfect choice for really essential system components in industries as aviation, defense, chemical industries and processing.

Molybdenum Alloy 365 Composition Table
Elements Mo C Si Fe Ni N O
Min (%) 99.9 - - - - - -
Max (%) 100 0.010 0.010 0.010 0.0020 0.0020 0.0015

Advantages and Disadvantages of Molybdenum Alloy 365


  • High Creep Resistance: Sustains prolonged stress for improved durability.

  • Good Machinability: Facilitates accurate shaping and production.

  • Low Coefficient of Thermal Expansion: Minimizes dimensional changes with temperature.

  • Resistant to Hydrogen Attack: Suitable for environments with hydrogen exposure.


  • Weaknesses: Lower strength compared to some other molybdenum alloys.

  • Limited Ductility: Difficult to shape intricately.

  • Susceptible to Oxidation at High Temperatures: Requires protection in certain situations.

  • Higher Density: Adds more weight to components.

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