Molybdenum Products
(MHC) Molybdenum Hafnium Carbide Alloy disc
- Place of Origin： Zhuzhou, Hunan
- Brand Name： Zhenfang
- Certification： ISO9001:2015
- Grade： MHC
- Minimum Order Quantity:10 pcs
- Price:negotiable
- Delivery Time:20days
- Payment Terms:T/T, Wstern uinion, bank
- Supply Ability:8tons per month
Contact: Ms.Shirley Pan
Email:shirley@chinahardalloy.com
Mobile: +86 17773379950(wechat/whstapp)
We supply our MHC dies in disc form with or without a drilled starter hole.
(MHC) Molybdenum Hafnium Carbide Alloy sheet
MHC belong to Particle-reinforced molybdenum alloy which contains hafnium and carbon.
The carbon is uniformly distributed along the alloys structure giving it excellent heat and creep resistant properties at elevated temperatures of 1550°C (2822°F). This alloy is able to function under extreme mechanical and thermal loads.
This alloy is manufactured by the process of powder metallurgy. Some of the advantages that this alloy offers are dimensional stability, optimum non-deformability, high thermal stability, no cold brittleness, good hot ductility and very high crystallization temperatures. MHC is used in metal forming applications, among others. When used in extrusion dies, it is able to withstand extreme thermal and mechanical loads.
This datasheet will look into the chemical composition, properties and applications of MHC alloy.
Chemical Composition
| Element | Content (%) |
|---|---|
| Molybdenum, Mo | ≥98.43 |
| Hafnium, Hf | 0.80-1.4 |
| Carbon, C | 0.050-0.15 |
| Iron, Fe | ≤0.010 |
| Nickel, Ni | ≤0.0050 |
| Silicon, Si | ≤0.0050 |
Mechanical Properties
The mechanical properties of MHC alloy are tabulated below.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength(mid-radius) | ≥689 MPa | ≥100 ksi |
| Yield strength(mid-radius) | ≥586 MPa | ≥85 ksi |
| Elongation at Break (mid-radius) | ≥3% | ≥3% |
| Hardness, Vickers | ≤34 | ≤34 |
Machinability
MHC alloy is best suited for machining processes such as drilling, lathing and grinding.
Applications
MHC alloy is used in the following applications:
Metal forming – making extrusion dies,
Extrusion of copper and copper alloys
Molten metal processing.
Advantage
Optimum dimensional stability
Low tendency of crack formation for edged pressed profiles
High high-temperature stability
Good thermal hardness
Low thermal expansion
High thermal conductivity
The best way to machine MHC
Drilling:
Carbide ISO HW-K15
Point angle: 120 degrees
Clearance angle: 10 degrees
Cutting speed: 80 m/min (with cutting emulsion)
Feed: 0.01 – 0.05 mm
Turning:
Carbide ISO HW-K15
Rake angle: 25 degrees
Clearance angle: 7 degrees
Cutting speed: 100 – 150 m/min (with cutting emulsion)
Feed: 0.05 - 0.20 mm
Cutting depth: up to 3 mm
Grinding:
Silicon carbide grinding wheel
Speed: 28 m/s
Spark erosion:
WCu electrodes
Wire eroding possible
If you have any other question about MHC material, please contact me.
Contact: Ms.Shirley Pan
Email:shirley@chinahardalloy.com
Mobile: +86 17773379950(wechat/whstapp)
Categories
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Contact: Quality Tungsten Carbide Rod
Phone: 0731-28214800
Tel: +86 17773379950
E-mail: sales@chinahardalloy.com
Add: 7 buildings in area C, High-tech Auto parts City, Zhongda Road, Tianyuan District, Zhuzhou City, Hunan Province.