17-4PH Stainless Steel Powder

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17-4PH Stainless Steel Powder

Product 17-4PH  Stainless Steel Powder
CAS No. 7439-89-6
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 Fe-Cr-Ni-Cu-Nb
Density 7.75g/cm3
Molecular Weight N/A
Product Codes NCZ-DCY-347/25

17-4PH Stainless Steel Description:

17-4PH Stainless Steel  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.

17-4PH Stainless Steel 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.

Best 17-4PH stainless steel powder for 3D Printing

17-4PH powder, also known as 17-4 Precipitation Hardening stainless steel powder, is a high-strength, corrosion-resistant material used in various industries. It belongs to the martensitic stainless steel family and offers an excellent combination of mechanical properties and corrosion resistance. The “17-4PH” designation refers to the composition of the alloy, which consists of approximately 17% chromium, 4% nickel, 4% copper, and a small amount of other elements.

Overview of 17-4PH Stainless Steel Powder for 3D Printing

17-4PH is a precipitation hardening stainless steel powder widely used for additive manufacturing of high-strength, corrosion-resistant components across aerospace, medical, automotive, and general engineering applications.

This article provides a detailed guide to 17-4PH powder for 3D printing. It covers composition, properties, print parameters, applications, specifications, suppliers, handling, inspection, comparisons, pros and cons, and FAQs. Key information is presented in easy-to-reference tables.

Composition of 17-4PH Powder

17-4PH is a chromium-copper precipitation hardening stainless steel with a composition of:

Element Weight % Purpose
Iron Balance Principal matrix element
Chromium 15 – 17.5 Oxidation resistance
Copper 3 – 5 Precipitation hardening
Nickel 3 – 5 Austenite stabilizer
Niobium 0.15 – 0.45 Carbide former
Manganese 1 max Deoxidizer
Silicon 1 max Deoxidizer
Carbon 0.07 max Strengthener and carbide former

The copper provides precipitation hardening while chromium imparts corrosion resistance.

Properties of 17-4PH Powder

17-4PH possesses a versatile combination of properties:

Property Description
High strength Tensile strength up to 1310 MPa in aged condition
Hardness Up to 40 HRC when aged
Corrosion resistance Comparable to 316L stainless in many environments
Toughness Superior to martensitic stainless steels
Wear resistance Better than 300 series stainless steels
High temperature stability Strength maintained up to 300°C

3D Printing Parameters for 17-4PH Powder

Typical parameters for printing 17-4PH include:

Parameter Typical value Purpose
Layer height 20-100 μm Balance speed and resolution
Laser power 150-400 W Sufficient melting without evaporation
Scan speed 400-1000 mm/s Productivity vs density
Hatch spacing 100-200 μm Density and properties
Support structure Minimal Easy removal
Hot isostatic pressing 1120°C, 100 MPa, 3h Eliminate porosity

Parameters are optimized for properties, time, and post-processing requirements.

Applications of 3D Printed 17-4PH Parts

Additively manufactured 17-4PH components are used in:

Industry Applications
Aerospace Structural brackets, fixtures, actuators
Medical Dental implants, surgical instruments
Automotive High strength fasteners, gears
Consumer Watch cases, sporting equipment
Industrial End-use metal tooling, jigs, fixtures

Benefits of AM include complex geometries, customization, reduced lead time and machining.

Specifications of 17-4PH Powder for 3D Printing

17-4PH powder must meet strict specifications:

Parameter Specification
Particle size range 15-45 μm typical
Particle shape Spherical morphology
Apparent density > 4 g/cc
Tap density > 6 g/cc
Hall flow rate > 23 sec for 50 g
Purity >99.9%
Oxygen content <100 ppm

Handling and Storage of 17-4PH Powder

As a reactive material, 17-4PH powder requires controlled handling:

Store in cool, dry, inert environments away from moisture

Prevent oxidation and contamination during handling

Use conductive containers grounded to prevent static buildup

Avoid dust accumulation to minimize explosion risk

Local exhaust ventilation recommended

Wear PPE and avoid inhalation

Careful storage and handling ensures optimal powder condition.

Inspection and Testing of 17-4PH Powder

Quality testing methods include:

Method Parameters Checked
Sieve analysis Particle size distribution
SEM imaging Particle morphology
EDX Chemistry and composition
XRD Phases present
Pycnometry Density
Hall flow rate Powder flowability

Testing per ASTM standards verifies powder quality and batch consistency.

Comparing 17-4PH to Alternative Powders

17-4PH compares to other alloys as:

Alloy Strength Corrosion Resistance Cost Weldability
17-4PH Excellent Good Medium Fair
316L Medium Excellent Medium Excellent
IN718 Good Good High Fair
CoCr Medium Fair Medium Excellent

With balanced properties, 17-4PH provides the best combination of strength, corrosion resistance, and cost for many applications.

Pros and Cons of 17-4PH Powder for 3D Printing

Pros Cons
High strength-to-weight ratio Lower oxidation resistance than austenitic stainless steels
Good combination of strength and corrosion resistance Required post-processing like HIP and heat treatment
Lower cost than exotic alloys Controlled atmosphere storage needed
Established credentials in AM Difficult to weld and machine
Comparable properties to wrought material Susceptible to pitting and crevice corrosion

17-4PH enables high-performance printed parts across industries, though not suited for extreme environments.

Frequently Asked Questions about 17-4PH Powder for 3D Printing

Q: What particle size range works best for printing 17-4PH alloy?

A: A range of 15-45 microns provides optimal powder flow while enabling high resolution and density in the printed parts.

Q: What post-processing is required after printing with 17-4PH?

A: Hot isostatic pressing and heat treatment are usually necessary to eliminate internal voids, relieve stresses, and achieve optimal properties.

Q: What material is 17-4PH most comparable to for AM applications?

A: It is closest to 316L in corrosion resistance but much stronger. 17-4PH provides the best overall combination for many high-strength applications above 300 series stainless.

Q: Does 17-4PH require supports when 3D printing?

A: Minimal supports are recommended on overhangs and complex inner channels to prevent deformation during printing and allow easy removal.

Q: What industries use additively manufactured 17-4PH components?

A: Aerospace, medical, automotive, industrial tooling, and consumer products are the major application areas benefitting from 3D printed 17-4PH parts.

Q: What accuracy and finish is achievable with 17-4PH AM parts?

A: After post-processing, 17-4PH printed components can achieve dimensional tolerances and surface finish comparable to CNC machined parts.

Q: What density can be expected with optimized 17-4PH prints?

A: Densities exceeding 99% are routinely achieved with 17-4PH using ideal parameters tailored for the alloy, matching wrought properties.

Q: Is 17-4PH compatible with powder bed fusion processes?

A: Yes, it can be processed using selective laser melting (SLM), direct metal laser sintering (DMLS), and electron beam melting (EBM).

Q: What defects can occur when printing 17-4PH components?

A: Potential defects are cracking, distortion, porosity, incomplete fusion, and surface roughness. They can be minimized through optimized print parameters.

Q: Can support structures be removed easily from 17-4PH printed parts?

A: Properly designed minimal supports are easy to detach given the excellent mechanical properties of the alloy in the aged condition.

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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