CNC custom mechanical parts base on Haynes 188.

Order custom mechanical parts crafted from Haynes 188 for exceptional strength, superior corrosion resistance, and precise performance. Perfect for demanding aerospace, medical, and industrial needs.

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Trusted by Buyers and Engineers to create custom mechanical parts base on Haynes 188.

Why SOURCIX is the smarter choice for custom mechanical parts base on haynes 188?

AI data driven matching
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spent issuing bids and managing files

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

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

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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 Haynes 188 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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Select countries, anonymization options, certifications, bid duration, and production time.

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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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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 Haynes 188

Introduction

Haynes 188 is a cobalt-based superalloy known for its exceptional performance in high-temperature environments. With a unique combination of strength, oxidation resistance, and thermal stability, it is widely utilized in demanding applications, particularly in aerospace, power generation, and industrial gas turbines. Haynes 188 offers reliable service life in extreme conditions where conventional materials fail.

Chemical Composition

The composition of Haynes 188 includes:

  • Cobalt (Co): Balance
  • Chromium (Cr): 20-24%
  • Nickel (Ni): 20-24%
  • Tungsten (W): 13-16%
  • Iron (Fe): <3%
  • Manganese (Mn): <1.25%
  • Carbon (C): 0.05-0.15%
  • Lanthanum (La): 0.02-0.12%
  • Silicon (Si): <0.35%
  • Phosphorus (P) and Sulfur (S): Trace amounts

The high chromium and nickel content contribute to oxidation and corrosion resistance, while tungsten enhances strength and thermal stability.

Key Properties

  1. High-Temperature Strength: Haynes 188 retains its mechanical integrity at temperatures exceeding 980°C, making it ideal for extreme environments.
  2. Oxidation Resistance: The alloy forms a stable oxide layer that protects against oxidation and scaling, even under cyclic heating and cooling.
  3. Thermal Stability: Haynes 188 maintains excellent resistance to thermal fatigue and creep deformation in high-temperature applications.
  4. Fabricability: Despite its strength, Haynes 188 can be readily fabricated using conventional methods, including welding, machining, and forming.
  5. Corrosion Resistance: It offers good resistance to hot corrosion, particularly in environments with sulfur and other aggressive compounds.

Applications

  1. Aerospace: Haynes 188 is widely used in jet engine components such as combustion chambers, afterburners, and turbine exhaust sections where high-temperature performance and oxidation resistance are critical.
  2. Power Generation: In industrial gas turbines, it is employed for liners, transition ducts, and flame holders due to its ability to withstand thermal cycling and high heat.
  3. Chemical Processing: The alloy’s resistance to hot corrosion and oxidation makes it suitable for use in chemical reactors and heat exchangers.
  4. Industrial Applications: It is used in high-temperature furnaces and equipment that require materials with exceptional thermal stability.

Fabrication and Processing

  1. Machining: Haynes 188 is best machined in its annealed condition. Using carbide-tipped tools and appropriate cooling methods ensures better results.
  2. Welding: The alloy is readily weldable using techniques such as TIG, MIG, or electron beam welding. Pre-heating and post-weld heat treatments are typically not required.
  3. Forming: Haynes 188 can be formed into complex shapes through hot or cold working. However, annealing is recommended after significant cold work to restore ductility.
  4. Heat Treatment: While the alloy is not strengthened by heat treatment, annealing improves ductility and reduces residual stresses from fabrication.

Challenges and Limitations

  1. Cost: As a cobalt-based alloy, Haynes 188 is relatively expensive compared to other high-temperature materials.
  2. Machinability: The material’s strength and hardness make machining more challenging, requiring specialized tools and techniques.
  3. Density: The alloy’s higher density compared to nickel-based superalloys can limit its use in weight-sensitive applications.

Conclusion

Haynes 188 stands out as a high-performance alloy for extreme environments, offering unparalleled strength, oxidation resistance, and thermal stability. Its versatility in fabrication and exceptional service life make it a preferred material for aerospace, power generation, and industrial applications. With ongoing advancements in material science, Haynes 188 continues to play a pivotal role in solving engineering challenges where high-temperature performance is paramount.