Haynes 188 is a cobalt-based superalloy engineered for outstanding high-temperature strength, oxidation resistance, and creep resistance. It is widely used in aerospace, gas turbine engines, heat treatment process equipment, power generation, and other extreme service environments. Because of its superior material properties and demanding performance requirements, sourcing Haynes 188 from reliable suppliers is essential. This article covers key properties, applications, pricing influences, and top suppliers of Haynes 188 alloy materials.
Key Properties of Haynes 188
Haynes 188 offers a combination of high-temperature capabilities and corrosion resistance that makes it suitable for extreme environments where many other alloys fail.
| Property | Description |
|---|---|
| High-Temperature Strength | Maintains high yield and tensile strength at elevated temperatures |
| Oxidation Resistance | Forms protective oxide layers under prolonged thermal exposure |
| Creep Resistance | Excellent resistance to long-term deformation under stress |
| Corrosion Resistance | Good resistance in oxidizing and reducing environments |
| Fabricability | Supports welding and forming with proper techniques |
Common Uses of Haynes 188
Because of its performance profile, Haynes 188 is used where both strength and oxidation resistance at high temperatures are critical.
| Industry | Typical Application |
|---|---|
| Aerospace | Gas turbine components, combustion liners, exhaust structures |
| Heat Treatment | Furnace retorts, radiant tubes, fixtures and supports |
| Power Generation | Boiler supports, structural supports, heat exchangers |
| Chemical Processing | High-temperature process equipment |
| Oil & Gas | High-temperature connectors and thermal shields |
Factors That Influence Haynes 188 Prices
The price you’ll pay for Haynes 188 depends on various key factors:
| Factor | Impact on Price |
|---|---|
| Product Form | Bare bar, plate, tube, wire, and precision parts have different processing costs |
| Dimensions | Larger sections and thicker materials use more alloy and cost more |
| Certifications | Material test reports (MTR), AMS/ASTM standards add to cost |
| Quantity | Bulk purchases reduce per-kg price |
| Market Metal Prices | Cobalt, chromium, and other base metal fluctuations influence cost |
| Supplier Location | Shipping, duties, and regional supply chains can affect total price |
Top Haynes 188 Alloy Suppliers
Reliable suppliers ensure material quality with full traceability, certification, and support services such as cutting, heat treatment, and machining. Here are some well-established suppliers of Haynes 188 alloy materials:
- Ncalloys: Ncalloys is a trusted supplier of Haynes 188 alloy products including bars, tubes, plates, and precision machined components. We provide full certification and documentation, meeting aerospace and industrial standards. Contact [email protected] for inquiries and quotations.
- Haynes International: A leading producer of high-performance alloys, including Haynes 188. They supply high-quality material with global support for aerospace, energy, and industrial applications.
- Special Metals (AMETEK): Special Metals offers a range of superalloy products, including Haynes 188, with full testing and certification. Their reputation for quality and performance makes them a key supplier for critical applications.
- Precision Castparts Corp. (PCC): PCC produces advanced superalloy materials, including Haynes 188, suitable for turbine, aerospace, and energy market segments. Their material offerings include bar, wire, and precision stock.
- VSMPO-AVISMA Corporation: A major global specialty alloy manufacturer that provides high-temperature materials such as Haynes 188 with international distribution channels.
- Rolled Alloys: Rolled Alloys supplies Haynes 188 in multiple product forms with competitive lead times and customer service for marine, industrial, and aerospace markets.
- Future Metals: A global distributor of high-performance alloys, offering reliable supply of Haynes 188 bars, tubes, and custom cut lengths with material traceability.
Certification and Quality Standards
Reputable Haynes 188 suppliers provide material certifications that verify compliance to quality and performance standards:
| Standard | Purpose |
|---|---|
| AMS 5383 / AMS 5386 | Specification for Haynes 188 bar and wire |
| ASTM B637 | Standard for cobalt-based alloy wire |
| ISO 9001 | Quality management system certification |
| AS9100 | Aerospace quality assurance standard |
How to Choose the Right Supplier
When selecting a Haynes 188 supplier, consider the following:
| Criteria | Why It Matters |
|---|---|
| Certification Provided | Ensures alloy chemistry and mechanical properties meet requirements |
| Available Inventory | Reduces lead times and guarantees timely delivery |
| Customization Services | Pre-cut lengths, heat treatment, and machining support save time |
| Technical Support | Supplier expertise helps with material selection and application guidance |
Related Questions
1. What forms of Haynes 188 do suppliers provide?
Most suppliers provide Haynes 188 in bars, tubes, plates, wire, strip, and custom machined components.
2. Is Haynes 188 suitable for very high temperatures?
Yes, Haynes 188 maintains strength and oxidation resistance at elevated temperatures, making it suitable for applications like turbine engines and furnace fixtures.
3. Can I get Haynes 188 with full certification?
Yes, reputable suppliers like Ncalloys and others provide full traceability and certification to industry standards like AMS and ASTM, ensuring quality performance.
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