CoCr28Mo6 Powder

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CoCr28Mo6 Powder

Product CoCr28Mo6 Powder
CAS No. 105525-46-0
Appearance Spherical Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient Co-28Cr-6Mo
Density 4.5-5.5g/cm3
Molecular Weight N/A
Product Codes NCZ-DCY-209/25

CoCr28Mo6 Description:

CoCr28Mo6 Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

CoCr28Mo6 Powder Related Information :

Storage Conditions:

Airtight sealed, avoid light and keep dry at room temperature.

Please contact us for customization and price inquiry

Email: contact@nanochemazone.com

Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.

CoCr28Mo6 Powder

CoCr28Mo6 powder, also known as ASTM F75 alloy, is a cobalt-chromium-molybdenum alloy powder used for manufacturing of orthopedic implants due to its biocompatibility, high strength and corrosion resistance

Overview of CoCr28Mo6 Powder

CoCr28Mo6 powder, also known as ASTM F75 alloy, is a cobalt-chromium-molybdenum alloy powder used for manufacturing of orthopedic implants due to its biocompatibility, high strength and corrosion resistance.

It has excellent wear resistance and is commonly used for making hip, knee and dental implants. The “28Mo6” designation indicates it contains 28% chromium and 6% molybdenum.

Key properties and advantages:

CoCr28Mo6 Powder Properties and Characteristics

Properties Details
Composition Co-28Cr-6Mo alloy
Density 8.3 g/cc
Particle shape Irregular, angular
Size range 10-45 microns
Apparent density 4.0-4.5 g/cc
Flowability Moderate
Corrosion resistance Excellent due to passive oxide layer
Biocompatibility High, used for implants
Wear resistance Very good due to high Cr content
Cost Moderate to high

CoCr28Mo6 powder can be used to manufacture implants using 3D printing or traditional techniques like metal injection molding. It provides an optimal combination of mechanical properties, corrosion resistance and biocompatibility.

CoCr28Mo6 Powder Composition

Element Weight %
Cobalt Balance
Chromium 27-30%
Molybdenum 5-7%
Nickel <1%
Manganese <1%
Carbon <0.35%
Iron <0.75%
Silicon <1%

Cobalt provides strength, toughness, and biocompatibility

Chromium improves corrosion and wear resistance

Molybdenum contributes to high strength and hardness

Other elements like C, Ni, Mn, Fe, and Si present as impurities

CoCr28Mo6 Powder Physical Properties

Properties Values
Density 8.3 g/cc
Melting point 1350-1400°C
Thermal conductivity 18 W/mK
Electrical resistivity 94 μΩ-cm
Curie temperature 1329°C
Coefficient of thermal expansion 14.5 x 10^-6 /K

High density compared to titanium alloys

Maintains strength at elevated temperatures

Lower thermal conductivity than pure metals

Becomes paramagnetic above Curie temperature

CTE higher than other competing alloys

These properties make it suitable for high temperature load bearing implant applications requiring corrosion resistance.

CoCr28Mo6 Powder Mechanical Properties

Properties Values
Hardness 35-45 HRC
Tensile strength 170-220 ksi (1170-1510 MPa)
Yield strength 140-180 ksi (965-1240 MPa)
Elongation 8-16%
Modulus of elasticity 230-300 GPa
Fatigue strength 50 ksi (345 MPa)

Excellent combination of strength and ductility

Strength levels exceed requirements for load bearing implants

Hardness provides good wear and abrasion resistance

High fatigue strength ensures durability under cyclic loading

The mechanical properties make CoCr28Mo6 suitable for orthopedic implants experiencing high static and dynamic loads

CoCr28Mo6 Powder Applications

Application Examples
Orthopedic implants Hip, knee, dental implants
Medical devices Surgical tools, instruments
Aerospace Turbine engine components
Automotive Fuel injection parts
Industrial Valves, tooling, molds

Some specific product uses:

Articulating surfaces in joint replacement implants

Dental crowns, bridges and root implants

Orthopedic fixation devices like bone plates

High temperature resistant aerospace engine components

Automotive fuel injection nozzles

Cutting tools, gaskets, valves requiring wear resistance

The biocompatibility, corrosion resistance and tribological properties make CoCr28Mo6 highly suitable for orthopedic and dental applications.

CoCr28Mo6 Powder Standards

Standard Description
ASTM F75 Wrought Co-Cr-Mo alloy for surgical implants
ASTM F1537 Specification for wrought Co-Cr-Mo alloy for dental appliances
ISO 5832-4 Implant grade wrought Co-Cr-Mo-Ni alloy
ASTM F3056 Specification for additive manufacturing CoCr alloy for orthopedic implants

These standards specify:

Chemical composition limits

Mechanical property requirements

Production method (gas atomization)

Acceptable impurity levels

Quality assurance processes

Test methods to verify powder properties

Meeting these requirements ensures suitability for orthopedic implant applications.

CoCr28Mo6 Powder Particle Size Distribution

Particle size Characteristics
10-25 microns Used for laser powder bed fusion (LPBF)
25-45 microns Used for binder jetting and DMLS
15-45 microns Used for metal injection molding

Finer powder provides better resolution and surface finish in AM

Coarser powder improves flowability for powder processing

Size range selection depends on production technique used

Tight control over particle size distribution is maintained

Controlling particle size and morphology is critical for high powder packing density and optimized sintering.

CoCr28Mo6 Powder Apparent Density

Apparent density Characteristics
4.0 – 4.5 g/cc Irregular powder morphology
35-45% of true density Due to voids between particles

Higher apparent density improves powder flow and compressibility

Irregular shape and wide size distribution reduces packed density

Values up to 60% are possible with optimized spherical powder

Higher apparent density allows efficient powder pressing and sintering to full density. It improves manufacturing productivity.

CoCr28Mo6 Powder Production

Method Details
Gas atomization High pressure inert gas breaks up molten alloy stream into fine droplets
Vacuum induction melting High purity starting materials melted under vacuum
Multiple remelting Improves chemical homogeneity
Sieving Classifies powder into different size fractions
Blending Different powder sizes blended to customize particle size distribution

Gas atomization produces fine spherical powder morphology

Vacuum melting and multiple remelting minimize impurities

Post-processing provides fine control over particle size distribution

Automated production and strict process control ensures reliable and consistent properties of CoCr28Mo6 powder.

CoCr28Mo6 Powder Handling and Safety

Recommendation Reason
Avoid inhalation Due to risk of lung tissue damage from fine particles
Use protective masks Prevent accidental ingestion
Handle in ventilated areas Reduce airborne particle circulation
Use hazmat suits Minimize skin contact
Ensure no ignition sources Powder can combust in oxygen
Follow anti-static protocols Prevent fire from static discharge
Use non-sparking tools Avoid possibility of ignition during handling
Store in sealed containers Prevent contamination and oxidation

CoCr28Mo6 powder is relatively inert but general precautions are recommended for safe handling and processing.

CoCr28Mo6 Powder Inspection and Testing

Test Details
Chemical analysis Verifies composition using ICP spectroscopy
Particle size distribution Determines distribution using sieve analysis
Apparent density Measured as per ASTM B212 standard
Powder morphology SEM image analysis
Flow rate analysis Time taken for fixed powder quantity to flow through funnel
Tap density test Density measured after mechanical tapping

Rigorous testing ensures consistent powder quality and compliance with specifications like ASTM F75 for medical grade powder.

CoCr28Mo6 Powder Storage and Handling

Factor Effect
Air, oxygen Risk of oxidation at high temperatures
Moisture Low corrosion rate at room temperature
Hydrocarbons Fire hazard if allowed to contaminate powder
Acids, alkalis Resistant to dilute acids and bases
Organic solvents Some absorption and staining if immersed
Temperatures above 400°C Increased oxidation rate in air

Recommendations:

Store sealed in inert gas filled containers

Keep below 30°C temperature

Avoid contact with oxidizing acids and chlorinated solvents

Open containers only in controlled environments

With proper precautions, CoCr28Mo6 powder exhibits good stability during storage and handling.

Comparison With Stainless Steel Powder

Parameter CoCr28Mo6 Stainless Steel
Density 8.3 g/cc 7.9 g/cc
Tensile strength 1170-1510 MPa 600-1100 MPa
Ductility 8-16% 15-40%
Corrosion resistance Excellent Good
Wear resistance Excellent Moderate
Biocompatibility High Moderate
Cost High Low
Uses Medical implants, aerospace Industrial applications

CoCr28Mo6 has higher strength and hardness

Stainless steel provides better ductility and toughness

CoCr28Mo6 is more corrosion resistant

CoCr28Mo6 is preferred for biomedical applications

Stainless steel is more cost-effective

CoCr28Mo6 outperforms stainless steel for applications requiring high strength, hardness and corrosion resistance.

CoCr28Mo6 Powder Pros and Cons

Advantages of CoCr28Mo6 Powder

Excellent biocompatibility and corrosion resistance

High strength and hardness

Good wear resistance

High temperature capability

Can be processed using AM or MIM techniques

Suitable for load-bearing implant applications

Provides good aesthetic appearance

Limitations of CoCr28Mo6 Powder

More expensive than stainless steel or titanium alloys

Lower ductility and fracture toughness

Requires protective atmosphere during processing

Difficult to machine compared to other alloys

Limitations in joining and welding the material

Release of Co ions in body raises health concerns

CoCr28Mo6 Powder FAQs

Q: What are the main applications of CoCr28Mo6 powder?

A: The main applications are orthopedic joint replacement implants like hips and knees, dental implants and crowns, surgical instruments, and high performance aerospace components.

Q: What gives CoCr28Mo6 excellent corrosion resistance?

A: The high chromium content enables formation of a stable, continuous and self-healing protective oxide layer on the surface preventing corrosion.

Q: What are the key differences between medical and industrial grades of CoCr28Mo6 powder?

A: Medical grade powder has higher purity, lower impurities, finer particle size, better size distribution control, and goes through more rigorous testing to meet standards.

Q: What precautions are required during storage and handling of CoCr28Mo6 powder?

A: Recommended precautions include avoiding inhalation, using protective gear, ensuring proper ventilation, controlling static discharge, using non-sparking tools, and storing in sealed inert gas purged containers.

Description

Description
Note: For pricing & ordering information, please get in touch with us at sales@nanochemazone.com
Please contact us for quotes on Larger Quantities and customization. E-mail: contact@nanochemazone.com

Customization:
If you are planning to order large quantities for your industrial and academic needs, please note that customization of parameters (such as size, length, purity, functionalities, etc.) is available upon request.

NOTE:
Images, pictures, colors, particle sizes, purity, packing, descriptions, and specifications for the real and actual goods may differ. These are only used on the website for the purposes of reference, advertising, and portrayal. Please contact us via email at sales@nanochemazone.com or by phone at (+1 780 612 4177) if you have any questions.

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