Molybdenum-Hafnium-Carbon (MHC)

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Description

MHC (Molybdenum-Hafnium-Carbon) is a particle-reinforced molybdenum-based alloy which contains both hafnium and carbon. Thanks to the uniformly distributed, extremely fine carbides, the material benefits from outstanding heat and creep resistance and, at 1550 °C, the maximum recommended temperature of use is 150 °C higher than that of TZM.

This material data has been provided by Plansee.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

Thermal

PropertyValue

Max service temperature

1550 °C

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Chemical properties

PropertyValue

Carbon

0.05 - 0.12 %

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Hafnium

1.2 %

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Molybdenum

balance

Technological properties

Property
Application areas

MHC is used in metal forming applications, for example. When used in extrusion dies, it is able to withstand extreme thermal and mechanical loads.

Other

Molybdenum-hafnium carbide (MHC) is highly temperature-resistant, has a high level of thermal conductivity, a low coefficient of thermal expansion and a high recrystallization temperature. MHC retains its shape even when used at temperatures of up to 1550 °C.