GH4169 Powder

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GH4169 Powder

Product GH4169 Powder
CAS No. 7440-02-0
Appearance Gray Dull Silver 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 NiCr22Mo9Nb
Density 8.19g/cm3
Molecular Weight N/A
Product Codes NCZ-DCY-289/25

GH4169 Description:

GH4169 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

GH4169 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.

GH4169 Powder for Additive Manufacturing

GH4169 powder is a precipitation hardening stainless steel powder designed to provide high strength, hardness and corrosion resistance after heat treatment. It contains 17% chromium along with nickel, aluminum, titanium, and niobium additions for enhanced mechanical and corrosion properties.

GH4169 powder is a precipitation hardening stainless steel powder designed to provide high strength, hardness and corrosion resistance after heat treatment. It contains 17% chromium along with nickel, aluminum, titanium, and niobium additions for enhanced mechanical and corrosion properties.

Size Range 15-45um/15-53um/20-63 um 45-105um
Form Spherical Spherical
Flow Ability ≤25s
Apparent Density ≥4.0 g/c㎡
Oxygen Content ≤200 ppm
Nitrogen Content ≤150ppm

Key characteristics of GH4169 powder:

GH4169 Powder Properties

Properties Details
Composition Fe-17Cr-4Ni-1.5Ti-0.7Al-0.25Nb alloy
Density 7.9 g/cc
Particle shape Irregular, angular
Size range 10-150 microns
Apparent density Up to 50% of true density
Flowability Moderate
Strength Very high after aging treatment
Corrosion resistance Excellent, including marine environments

GH4169’s exceptional strength-to-weight ratio combined with outstanding corrosion resistance make it suitable for critical structural parts across aerospace, marine, nuclear and other demanding applications.

GH4169 Powder Composition

Typical composition of GH4169 precipitation hardening stainless steel:

GH4169 Powder Composition

Element Weight %
Iron (Fe) Balance
Chromium (Cr) 16-18%
Nickel (Ni) 3.5-5.5%
Titanium (Ti) 1.2-1.8%
Aluminum (Al) 0.3-1.2%
Niobium (Nb) 0.15-0.45%
Carbon (C) 0.04% max
Silicon (Si), Manganese (Mn) 1% max each

Iron provides the ferritic matrix

Chromium improves corrosion and oxidation resistance

Nickel, aluminum, titanium and niobium facilitate precipitation hardening

Carbon and other elements limited as tramp impurities

The composition is designed to maximize the precipitation hardening response and corrosion resistance required in structural applications.

GH4169 Powder Physical Properties

Property Values
Density 7.9 g/cc
Melting point 1400-1450°C
Electrical resistivity 0.80 μΩ-m
Thermal conductivity 12 W/mK
Thermal expansion 12 x 10^-6 /K
Maximum service temperature 650°C

High strength-to-weight ratio

Retains strength and hardness up to 650°C

Relatively low thermal conductivity

Resistivity increases after precipitation hardening

Moderate expansion coefficient

The properties allow use of GH4169 in load bearing structural applications requiring corrosion resistance and high temperature strength.

GH4169 Powder Mechanical Properties

Property Condition Values
Hardness Solution annealed 90 HRB
Hardness Peak aged 40-45 HRC
Tensile strength Annealed 550-750 MPa
Tensile strength Peak aged 1300-1600 MPa
Yield strength Peak aged 1100-1400 MPa
Elongation Peak aged 8-13%

Ages to high strength levels exceeding other precipitation hardening stainless steels

Retains good ductility in peak aged condition

Significant increase in hardness after aging treatment

Strength can be tailored through aging time and temperature

These properties make GH4169 suitable for lightweight, high strength structural parts needing corrosion resistance.

GH4169 Powder Applications

Industry Example Uses
Aerospace Airframe and engine components, fasteners
Marine Shafts, fixtures, solenoids, valves
Nuclear Fuel element cladding, internal structures
Oil and gas Structural parts for wellheads, offshore platforms
Chemical Process equipment like vessels and pipes

Some specific uses:

Bolts, nuts, screws, and studs needing high strength

Critical rotating shaft components

Valve and pump bodies used in corrosive environments

Mixing equipment like impellers and agitators

Nuclear fuel element cladding and vessel internals

GH4169 provides an exceptional combination of strength, hardness and corrosion resistance required in critical structural parts across demanding industries.

GH4169 Powder Standards

Standard Description
AMS 5922 Precipitation hardening stainless steel powder for aerospace parts
ASTM A580 Standard for precipitation hardening stainless steel wire
ASTM A638 Standard for precipitation hardening iron-based superalloys
AMS 5898 Bars, forgings, rings of precipitation hardening stainless steels

These define:

Chemical composition of GH4169 alloy

Permissible impurities like C, S and P

Required mechanical properties in different conditions

Approved powder production methods

Compliance testing protocols

Quality assurance requirements

Powder produced to these standards ensures optimal aging response, ductility, and corrosion resistance.

GH4169 Powder Particle Size Distribution

Particle Size Characteristics
10-22 microns Ultrafine grade for high density
22-75 microns Most commonly used size range
75-150 microns Coarser sizes for improved flowability

Finer particles promote higher sintered density

Coarser particles improve powder flow into die cavities

Gas atomization and water atomization both used

Size distribution tailored to final part properties needed

Controlling particle size distribution optimizes pressing behavior, final density, and mechanical performance.

GH4169 Powder Apparent Density

Apparent density Details
Up to 50% of true density For irregular powder morphology
4.5-5.5 g/cc Higher for spherical powders

Spherical powders provide higher apparent density

Irregular particles have density around 45%

Higher apparent density improves powder flow and compressibility

Allows higher green density after compaction

Higher powder apparent density leads to better manufacturing productivity and part performance.

GH4169 Powder Production

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

Gas atomization provides spherical powder shape

Water atomization is lower cost but irregular particles

Vacuum processing minimizes gaseous impurities

Post-processing allows particle size control

Fully automated methods combined with strict quality control ensure reliable and consistent powder suitable for critical applications.

GH4169 Powder Handling and Storage

Recommendation Reason
Ensure proper ventilation Prevent exposure to fine metallic particles
Avoid ignition sources Powder can combust in oxygen atmosphere
Follow safe protocols Reduce health and fire hazards
Use non-sparking tools Prevent possibility of ignition
Store sealed containers Prevent contamination or oxidation

Storage Recommendations

Store in stable containers in a dry, cool area

Limit exposure to moisture and acids

Maintain temperatures below 30°C

With proper precautions during handling and storage, GH4169 powder remains stable and safe to work with.

GH4169 Powder Inspection and Testing

Test Details
Chemical analysis ICP and XRF verify composition
Particle size analysis Determines particle size distribution
Apparent density Measured as per ASTM B212 standard
Powder morphology SEM imaging of particle shape
Flow rate testing Gravity flow rate through specified funnel
Loss on ignition Determines moisture content

Testing ensures the powder meets the required composition, particle characteristics, density specifications, morphology and flow rate as per applicable standards.

GH4169 Powder Pros and Cons

Advantages of GH4169 Powder

Exceptional strength after precipitation hardening

Retains good ductility in peak aged condition

Excellent corrosion resistance including marine environments

High strength maintained up to 650°C

Good combinations of properties for critical structural parts

More cost-effective than superalloys

Limitations of GH4169 Powder

Requires careful heat treatment for optimal properties

Lower fracture toughness than austenitic steels

Subject to sensitization during improper welding

Limited cold heading and forming capability

Strength and corrosion resistance not as high as superalloys

Price higher than common stainless steel grades

Comparison With 17-4PH and 15-5PH Powder

GH4169 vs. 17-4PH and 15-5PH Powder

Parameter GH4169 17-4PH 15-5PH
Density 7.9 g/cc 7.7 g/cc 7.8 g/cc
Hardness 40-45 HRC 38-45 HRC 36-42 HRC
Tensile strength 1300-1600 MPa 1200-1450 MPa 1050-1400 MPa
Corrosion resistance Excellent Very good Good
Cost High Moderate Low

GH4169 has highest strength after aging treatment

It also provides the best corrosion resistance

17-4PH is moderately stronger than 15-5PH

15-5PH is the most economical of the three

GH4169 preferred for critical structural applications

GH4169 Powder FAQs

Q: What are the main applications of GH4169 precipitation hardening stainless steel powder?

A: Main applications include aerospace structures, marine components like shafts and valves, nuclear fuel element cladding, oil and gas wellhead parts, chemical process equipment, and other structural parts needing high strength and corrosion resistance.

Q: What is the role of aluminum and titanium in GH4169 composition?

A: Aluminum and titanium facilitate precipitation hardening by forming fine coherent precipitates during aging treatment. This imparts substantial strengthening while retaining reasonable ductility.

Q: What precautions are needed when working with GH4169 powder?

A: Recommended precautions include ventilation, avoiding ignition sources, using non-sparking tools, protective gear, following safe protocols, and storing sealed containers away from contaminants or moisture.

Q: How does GH4169 differ from martensitic and ferritic stainless steel grades?

A: GH4169 can be aged to much higher strength levels compared to martensitic or ferritic grades. It also provides excellent corrosion resistance including in marine environments, unlike martensitic grades.

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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