CNC custom mechanical parts base on 17-4 PH Stainless Steel.

Discover custom mechanical parts made from 17-4 PH Stainless Steel, offering exceptional strength, corrosion resistance, and precision. Perfect for aerospace, medical, and industrial applications.

17-4 PH Stainless Steel

Trusted by buyers and engineers to create custom mechanical parts base on 17-4 PH Stainless Steel.

Why SOURCIX is the smarter choice for 17-4 PH Stainless Steel?

AI data driven matching
Self-managed vendors
Access to a vetted global network
Multi-Ofer comparison
Best combined quote
Full transparency
Cost efficiency
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Middleman
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spent issuing bids and managing files

Save 85% of the time spent issuing bids and managing files.

Reduce the time spent on arranging the bill of materials, choosing relevant vendors, and issuing the bid.

Upload multiple files all at once.

Upload your own spreadsheet; we will extract the information from there.

Communicate with the relevant engineer in your organization.

Local & Global quotes comparing (1)

Local & Global quotes comparing.

Gain best-in-class matchmaking, either from your vendor network or our global vetted marketplace.

Your production files are analyzed and compared to our big data.

We expose the bid only to the most compatible vendors.

Compare item prices, including shipping, for point-to-point delivery.

Manage your projects (1)

Manage your projects 10 times faster.

Manage your projects more efficiently with our advanced team collaboration tools, ongoing status updates, and comprehensive production management.

Each team member is responsible for their role in the project.

Get full live updates on the progress or changes during production.

Access all necessary documents on-site; no need for hard copies.

testi-mg

AGD has been very satisfied with SOURCIX's support, prompt responses, and attention to detail. We’ve decided to move forward with more projects and make SOURCIX our main service for development and prototypes, with plans to expand to full production soon.

Alberto Guerra

CEO at AGD PRODUCTIONS, Inc.

Los Angeles, CA USA

Trusted by leading companies

RFQ

Looking for a new 17-4 PH stainless steel parts vendor? It’s simple as that

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Upload production files

Our system will extract the necessary data from your files to determine the best vendors for the job.

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Define bid guidlines

Select countries, anonymization options, certifications, bid duration, and production time.

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Choose a quote

Get several quotes based on your requirements, including shipping and any additional costs, and choose the one that best suits you.

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Manage the production

Get updates on production progress, chat with the vendors, and manage revisions.

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Receive the finished items

All documents, including reports, invoices, and more, will be available on the platform.

RFQ

A touch of technical expertise

Manufacturing process Type Type of items Common materials Typical tolerances

CNC

Milling

Complex 3D shapes
Enclosures and housings
Custom brackets
Prototypes
Mold and tooling

Aluminium 6061 / 7075
Steel 1018 / 4140
SST 304 / 316
Brass / Copper
Plastics (POM, ABS, Nylon)

+/- 0.01 mm to +/- 0.05mm

Turning

Cylindrical components
Shafts
Sleeves and bushings
Fittings
Custom threaded parts

Steel 4140 / 1045
SST 316 / 303
Titanium
Plastics (PTFE, PEEK)

+/- 0.01 mm to +/- 0.05mm

Sheet metal

Enclosures and chassis
Brackets
Panels
Covers and guards
Structural frames

Aluminium 5052
Steel
SST 304 / 316
Copper
Polycarbonate

+/- 0.5 mm to +/- 1mm

Technical Overview of 17-4 PH Stainless Steel

Introduction

17-4 PH Stainless Steel, also known as UNS S17400 or Type 630, is a precipitation-hardening martensitic stainless steel. Renowned for its combination of high strength, corrosion resistance, and excellent mechanical properties, 17-4 PH is widely used across various industries, including aerospace, medical, chemical, and marine applications. Its versatility stems from its ability to achieve a wide range of strength and toughness through heat treatment.

Chemical Composition

The composition of 17-4 PH Stainless Steel includes:

  • Iron (Fe): Balance
  • Chromium (Cr): 15.5-17.5%
  • Nickel (Ni): 3-5%
  • Copper (Cu): 3-5%
  • Manganese (Mn): ≤ 1%
  • Silicon (Si): ≤ 1%
  • Carbon (C): ≤ 0.07%
  • Phosphorus (P): ≤ 0.04%
  • Sulfur (S): ≤ 0.03%

The addition of chromium ensures corrosion resistance, while copper and nickel enhance its precipitation-hardening capabilities.

Key Properties

  1. High Strength and Hardness: 17-4 PH can achieve tensile strengths exceeding 1,100 MPa and high hardness levels, making it suitable for load-bearing applications.
  2. Corrosion Resistance: The alloy offers excellent corrosion resistance in a variety of environments, including mildly acidic and marine conditions.
  3. Heat Treatability: By applying different heat treatment conditions (H900, H1025, H1075, etc.), the mechanical properties can be tailored to meet specific application requirements.
  4. Good Machinability: In its solution-treated condition, 17-4 PH is relatively easy to machine compared to other high-strength stainless steels.
  5. Excellent Wear Resistance: The alloy’s hardness and toughness contribute to its wear resistance, especially in dynamic or abrasive environments.

Applications

  1. Aerospace: Commonly used for aircraft fittings, fasteners, and structural components requiring high strength-to-weight ratios and corrosion resistance.
  2. Medical: Utilized in surgical instruments, orthopedic implants, and dental tools due to its biocompatibility and mechanical properties.
  3. Marine: Its resistance to corrosion in saltwater environments makes it ideal for marine shafts, propeller shafts, and other underwater hardware.
  4. Chemical Processing: Suitable for valve components, pumps, and heat exchangers due to its ability to withstand corrosive chemicals.
  5. Industrial Tooling: Used for molds, dies, and other high-stress tooling where strength and wear resistance are critical.

Heat Treatment

The defining characteristic of 17-4 PH Stainless Steel is its precipitation-hardening ability, which involves the following steps:

  1. Solution Treatment: Heating to 1,025–1,065°C and air cooling or quenching to dissolve precipitates.
  2. Aging (Precipitation Hardening): Reheating to temperatures between 480–750°C to precipitate copper-rich phases, enhancing strength and hardness.

The aging process results in different conditions (H900, H1025, etc.), each offering a unique balance of strength, toughness, and ductility.

Challenges and Limitations

  1. Limited Ductility in High-Strength Conditions: As strength increases through aging, ductility may decrease, which could limit its use in applications requiring high flexibility.
  2. Cost: The alloy’s advanced properties and processing requirements can make it more expensive than other stainless steels.
  3. Sensitivity to Chlorides: In environments with high chloride concentrations, 17-4 PH may be susceptible to stress corrosion cracking.

Conclusion

17-4 PH Stainless Steel is a versatile and high-performing material that excels in applications demanding a balance of strength, corrosion resistance, and wear resistance. Its adaptability through heat treatment makes it a go-to choice for engineers and manufacturers across industries. With continued innovation in processing techniques, the scope of applications for 17-4 PH Stainless Steel is likely to expand further, cementing its status as a critical material in modern engineering.