TZM Alloy

TZM alloy is a molybdenum-based alloy strengthened with small additions of titanium, zirconium, and carbon. It is used in high-temperature applications where components must maintain strength, resist creep deformation, and remain dimensionally stable under thermal cycling. For engineers evaluating TZM alloy properties and performance, understanding its composition and behavior at elevated temperatures is critical for proper material selection.

Ferralloy, LLC. supplies TZM alloy materials and components for heat treating, oil and gas, and petrochemical applications. As a distributor and custom manufacturer, we provide sourcing, machining, and inventory stocking programs to help customers manage lead times and supply chain requirements.

Composition and Key Properties

TZM alloy (Titanium-Zirconium-Molybdenum) is a molybdenum-based alloy designed for high-temperature strength and structural stability. Compared to pure molybdenum, the addition of titanium, zirconium, and carbon improves creep resistance and raises the recrystallization temperature, thereby allowing the material to retain strength during prolonged heat exposure.

The TZM alloy composition typically includes approximately 0.5% titanium, 0.08% zirconium, and small amounts of carbon, with the balance being molybdenum. This composition increases the recrystallization temperature relative to pure molybdenum, thereby reducing grain growth and helping to prevent embrittlement during high-temperature service.

Key TZM alloy properties include:

• High-temperature strength. Maintains mechanical strength at temperatures up to approximately 1400°C / 2550 F.
• Creep resistance. Resists deformation under sustained mechanical load at elevated temperatures.
• Thermal conductivity. Supports efficient heat transfer in high-temperature assemblies.
• Dimensional stability. Low thermal expansion helps maintain tolerances during heating and cooling cycles.
• Resistance to specific environments. Performs well in vacuum and certain molten metal or salt environments, depending on operating conditions.

Industrial Applications

TZM alloy is used in applications that require high-temperature strength, dimensional stability, and resistance to thermal fatigue. We supply this material for several demanding applications:

• Heat Treating and Furnace Tooling. Used for furnace components, fixtures, and supports exposed to sustained high temperatures.
• Aerospace and Defense. TZM bars used for R&D and high-temperature structural parts.
• Medical Technology. Used in X-ray tube components, including rotating anodes, where heat dissipation is critical.
• Metal Processing. Used in hot-work tooling such as dies for aluminum die casting and forging operations.

Ferralloy’s High-Quality TZM Supply

Ferralloy supplies TZM materials – and many other high-performance alloys. Our engineers assist customers in selecting the appropriate material for their application. We focus on sourcing reliability, lead time management, and material availability to support production requirements.

We understand that delivery, pricing, and supply chain stability are key concerns for procurement teams. Our inventory stocking program enables customers to effectively manage lead times, save cash and maintain a consistent supply of material as needed. We support both raw material sourcing and the production of custom-machined components to meet your application’s specific requirements.

Source TZM Alloy for High-Temperature Applications

TZM alloy is used in applications requiring high-temperature strength, creep resistance, and dimensional stability. Ferralloy supports material sourcing and engineering guidance to help customers select the right alloy and maintain a reliable supply.

Request a Quote to review availability and lead time for TZM alloy, or contact our team for support with material selection and application requirements.