MHC Alloy in Hot Stamping Dies

MHC Alloy Picture
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Hot stamping dies operate under prolonged high-temperature, high-pressure, and high-cycle loading conditions, requiring materials with outstanding strength, wear resistance, and thermal stability. MHC alloy (Molybdenum Hafnium Carbon Alloy) is molybdenum-based high-temperature alloy manufactured from high-purity molybdenum with the addition of hafnium (Hf) and carbon (C). Through powder metallurgy, in-situ dispersed HfC strengthening particles are formed within the matrix, significantly improving high-temperature load-bearing capacity, thermo-mechanical fatigue resistance, and microstructural stability for demanding hot stamping die applications.

1. Advantages of CTIA's MHC Alloy in Hot Stamping Dies
(1) Excellent High-Temperature Strength: Maintains high mechanical strength above 1000°C to withstand high-frequency stamping loads.
(2) Excellent Thermo-Mechanical Fatigue Resistance: Dispersed HfC particles suppress dislocation movement and grain boundary migration, reducing thermal fatigue cracking.
(3) Superior Microstructural Stability: The recrystallization temperature above 1500°C minimizes grain growth and ensures dimensional stability.
(4) Excellent Wear Resistance: The high-hardness microstructure reduces wear and material adhesion, extending die service life.
(5) Excellent Thermal Stability: The melting point of approximately 2620°C, high thermal conductivity, and low thermal expansion ensure stable performance during continuous hot stamping.

2. Applications of CTIA's MHC Alloy in Hot Stamping Dies
(1) Automotive Manufacturing: Used for punches, dies, and blank holder rings in boron steel and ultra-high-strength steel hot stamping dies, improving thermo-mechanical fatigue resistance and forming accuracy.
(2) Precision Stamping: Used for high-temperature punches, stamping dies, stripper plates, and guide components to improve wear resistance and dimensional stability during continuous stamping.
(3) Aerospace: Used in critical hot stamping die components for titanium alloys and superalloys, meeting demanding requirements for high-temperature, high-load, and high-precision forming.
(4) Hot Processing Equipment: Used for wear-resistant inserts, load-bearing structural components, and guide and positioning components to reduce high-temperature wear and extend die service life.
(5) Automated Stamping Lines: Used for high-temperature load-bearing components, positioning supports, and quick-change modules for high-frequency stamping and continuous production.

3. Specifications of CTIA's MHC Alloy in Hot Stamping Dies
Product Forms: Plates, round bars, discs, rings, and customized components
Dimensions: Customizable
Surface Finish: Ground, polished

CTIA has specialized in molybdenum and molybdenum alloy manufacturing for nearly 30 years. Through optimized alloy composition, powder metallurgy, high-temperature densification, and precision thermal processing, CTIA ensures consistent microstructure, stable mechanical properties, and excellent dimensional accuracy. CTIA supplies MHC alloy in plates, sheets, tubes, rings, round bars, discs, electrodes, and customized components to meet demanding requirements for high-temperature strength, thermo-mechanical fatigue resistance, wear resistance, and long-term service performance in hot stamping dies.

 

For any inquiry, please contact molybdenum and molybdenum alloy manufacturer: CTIA GROUP

Email: sales@chinatungsten.com

Tel: 0086 592 5129696 / 0086 592 5129595

Website: www.molybdenum.com.cn

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