GH 3625 Powder

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GH 3625 Powder

Product GH 3625 Powder
CAS No. 3526-43-0
Appearance Gray 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 Ni-Fe-Cr-Mo
Density N/A
Molecular Weight 213.28g/mol
Product Codes NCZ-DCY-283/25

GH 3625 Description:

GH 3526 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

GH 3625 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.

GH 3625 Powder

GH3625 powder is an age-hardenable nickel-iron base alloy containing 25% chromium along with additions of molybdenum and aluminum. It provides an exceptional combination of high strength, hardness, corrosion resistance, and oxidation resistance at elevated temperatures.

Overview of GH3625 Powder

GH 3625 powder is an age-hardenable nickel-iron base alloy containing 25% chromium along with additions of molybdenum and aluminum. It provides an exceptional combination of high strength, hardness, corrosion resistance, and oxidation resistance at elevated temperatures.

Key properties and advantages of GH3625 powder include:

GH3625 Powder Properties and Characteristics

Properties Details
Composition Ni-25Cr-4.5Mo-3.5Al alloy
Density 8.2 g/cc
Particle shape Predominantly spherical
Size range 15-45 microns
Apparent density Up to 60% of true density
Flowability Good
Strength Very high after aging treatment
Corrosion resistance Excellent including pitting and crevice corrosion

GH3625 is widely used in aerospace, oil and gas, chemical processing, and power generation sectors needing high strength and corrosion resistance at elevated temperatures.

GH3625 Powder Composition

Element Weight %
Nickel Balance
Chromium 24-27%
Molybdenum 4-5%
Aluminum 3-4%
Carbon 0.1% max
Manganese 1% max
Silicon 0.5% max
Sulfur 0.015% max

Nickel provides corrosion resistance and aids precipitation hardening

Chromium significantly improves oxidation and corrosion resistance

Molybdenum and aluminum facilitate precipitation strengthening

Carbon and other elements limited as impurities

The composition is optimized to provide peak strengthening from precipitation hardening as well as excellent corrosion and oxidation resistance.

GH3625 Powder Physical Properties

Property Values
Density 8.2 g/cc
Melting point 1390-1440°C
Thermal conductivity 11 W/mK
Electrical resistivity 52 μΩ-cm
Coefficient of thermal expansion 13.0 x 10^-6 /K

High density compared to steels and titanium alloys

Retains high strength at temperatures exceeding 1000°C

Relatively low thermal conductivity necessitates design considerations

CTE is moderate and similar to stainless steels

These properties make GH3625 suitable for high strength applications at elevated temperatures needing corrosion resistance.

GH3625 Powder Mechanical Properties

Property Condition Values
Hardness Solution annealed 35 HRC
Hardness Peak aged 50-56 HRC
Tensile strength Annealed 1000 MPa
Tensile strength Aged 1500-1800 MPa
Yield strength Aged 1200-1600 MPa
Elongation Aged 10-15%

Ages to very high strength levels exceeding other precipitation hardening alloys

Retains reasonable ductility in peak aged condition

Hardness increases substantially after aging treatment

Strength can be tailored through aging time and temperature

These properties make GH3625 suitable for components needing high strength combined with corrosion resistance.

GH3625 Powder Applications

Industry Uses
Aerospace Turbine blades, bolts, fasteners
Oil and gas Wellhead valves, downhole tools
Chemical processing Extruder screws, valve parts
Power generation Boiler components, steam and gas turbines

Some specific product applications include:

Aerospace turbine engine blades, discs and fasteners

Bolting for high temperature petrochemical piping

Valve components used in corrosive chemical environments

Boiler superheater tubes and headers

Steam turbine blades and fasteners

GH3625 provides exceptional strength and corrosion resistance for critical components used at elevated temperatures across demanding industries.

GH3625 Powder Standards

Standard Description
AMS 5815 Nickel alloy powder compositions
AMS 5408 Wire, rods, and bars of precipitation hardening nickel alloys
AMS 5698 Investment castings of PH nickel alloys
AMS 5772 Nickel alloy forgings
AMS 5634 Nickel alloy extruded shapes

These define:

Chemical composition limits of GH3625

Required mechanical properties in different heat treatment conditions

Approved powder production method – inert gas atomization

Impurity limits for critical elements

Compliance testing protocols

Proper handling and storage instructions

Meeting these certification requirements ensures optimal performance.

GH3625 Powder Particle Size Distribution

Particle Size Characteristics
15-25 microns Ultrafine powder used in laser AM processes
25-45 microns Size range for most powder bed AM systems
45-75 microns Larger sizes used in laser cladding

Finer powder provides higher resolution and surface finish

Coarser powder suitable for high deposition rate processes

Size distribution tailored based on AM method used

Spherical morphology maintained in all sizes

Controlling particle size distribution and morphology is critical for AM performance, final part properties and quality.

GH3625 Powder Apparent Density

Apparent Density Details
Up to 60% of true density For spherical powder morphology
4.5 – 5.2 g/cc Improves with greater packing density

Spherical powder shape provides high apparent density

Higher density improves powder flow and bed packing in AM

Reduces entrapped gas porosity in final part

Maximizing density minimizes press cycle time

Higher apparent density results in better manufacturing productivity and part performance.

GH3625 Powder Production Method

Method Details
Gas atomization High pressure inert gas breaks up molten metal stream into fine droplets
Vacuum induction melting High purity input materials melted under vacuum
Multiple remelting Improves chemical homogeneity
Sieving Classifies powder into different particle size fractions

Gas atomization with inert gas produces clean spherical powder

Vacuum processing minimizes gaseous impurities

Multiple remelts improve uniformity of composition

Post-processing provides particle size distribution control

Automated methods combined with strict quality control result in consistent GH3625 powder suitable for critical applications.

GH3625 Powder Handling and Storage

Recommendation Reason
Ensure proper ventilation Avoid exposure to fine metallic particles
Use appropriate PPE Prevent accidental inhalation or ingestion
Follow safe protocols Reduce health and fire hazards
Store sealed containers Prevent contamination or oxidation

GH3625 powder is relatively stable but general precautions are still recommended for safe handling and maintaining purity.

Storage Recommendations

Store in stable containers in a dry, cool area

Limit exposure to moisture which can degrade properties

Maintain temperatures below 30°C

Proper precautions preserve powder condition and prevent safety issues.

GH3625 Powder Inspection and Testing

Test Details
Chemical analysis OES or XRF spectroscopy used to verify composition
Particle size distribution Laser diffraction analysis
Apparent density Measured as per ASTM B212 standard
Powder morphology SEM imaging of particle shape
Flow rate analysis Gravity flow rate through specified nozzle
Moisture measurement Loss on drying analysis

Testing ensures the powder meets the required chemical purity, particle characteristics, density specifications, morphology and flowability per relevant standards.

GH3625 Powder Pros and Cons

Advantages of GH3625 Powder

Exceptional high temperature strength and creep resistance

Retains strength and hardness up to 1100°C

Excellent corrosion resistance across environments

Good fatigue strength and fracture toughness

High hardness combined with reasonable ductility

Less dense than nickel superalloys

Limitations of GH3625 Powder

More expensive than stainless steel powders

Requires controlled heat treatment for optimal properties

Lower wear resistance than cobalt alloys

Difficult to machine after sintering

Limited cold heading and forming capability

Subject to pitting in strongly oxidizing acids

Comparison With Inconel 718 Powder

GH3625 vs Inconel 718 Powder

Parameter GH3625 Inconel 718
Density 8.2 g/cc 8.2 g/cc
Strength Higher Lower
Corrosion resistance Excellent Outstanding
Cost Moderate Very high
Uses Oil and gas, chemical processing Aerospace, nuclear

GH3625 provides higher tensile strength

Inconel 718 offers better overall corrosion resistance

GH3625 is more cost effective

Inconel 718 is preferred for extreme environments

GH3625 provides optimal strength and cost balance

GH3625 Powder FAQs

Q: What are the main applications of GH3625 nickel alloy powder?

A: Main applications include aerospace turbine components, oil and gas wellhead valves and downhole tools, power generation parts, chemical processing equipment, and other high temperature components needing strength and corrosion resistance.

Q: Why is GH3625 preferred over stainless steel powders in high temperature applications?

A: GH3625 retains significantly higher strength compared to stainless steels at temperatures exceeding 650°C. It also provides excellent corrosion resistance in hot corrosive environments.

Q: What precautions should be taken when working with GH3625 powder?

A: Recommended precautions include ventilation, appropriate PPE, avoiding ignition sources, following safe handling protocols, and storing sealed containers away from moisture, air, and contamination.

Q: How does aluminum affect the properties of GH3625 alloy?

A: Aluminum enhances precipitation hardening by forming nickel-aluminum precipitates during aging treatment. This provides substantial strengthening while maintaining reasonable ductility.

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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