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Hastelloy C-4 Pipe – High Performance Superalloy Solutions from China Factory
Hastelloy C-4 Pipe, a high-performance nickel-chromium-molybdenum alloy, excels in extreme environments. Known for its exceptional corrosion resistance, this superalloy is ideal for chemical processing and high-temperature applications. As a trusted hastelloy tubing supplier, our China-based enterprise delivers top-quality products globally.
Price: Contact Us for a Custom Quote
Hastelloy C-4 Pipe pricing is available upon request. Please contact our sales team for a detailed quote, including terms and conditions.
Specifications
- Thickness: 0.5 mm to 50 mm
- Outer Diameter: 6 mm to 530 mm
- Length: Up to 12 meters or custom as per requirement
- Surface Treatment: Bright, polished, pickled, or as-requested finishes available
- Standards: ASTM B619, ASTM B622, ASME SB619
Key Features (Advantages)
- Superior corrosion resistance in oxidizing and reducing environments
- Excellent high-temperature stability up to 1040°C
- Enhanced weldability compared to other hastelloy grades
- High resistance to stress corrosion cracking
- Customizable dimensions from reliable hastelloy tubing suppliers
Applications
Hastelloy C-4 Pipe is widely used in industries requiring robust corrosion-resistant alloys. Key applications include:
- Chemical processing: Reactors, heat exchangers
- Oil and gas: Sour gas environments
- Pharmaceutical: High-purity systems
- Power generation: Flue gas desulfurization systems
Chemical Composition of Hastelloy C-4 Pipe
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 65.0 min |
| Chromium (Cr) | 14.0 - 18.0 |
| Molybdenum (Mo) | 14.0 - 17.0 |
| Iron (Fe) | 3.0 max |
| Titanium (Ti) | 0.7 max |
| Others | Trace |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 690 MPa |
| Yield Strength | ≥ 283 MPa |
| Elongation | ≥ 40% |
| Hardness | ≤ 100 HRB |
Chemical Properties
Hastelloy material like C-4 offers excellent resistance to:
- Acids: Sulfuric, hydrochloric, and nitric
- Alkalis: Sodium hydroxide
- Environmental Restrictions: Avoid prolonged exposure to temperatures above 1040°C to prevent phase instability.
Things to Note (Limitations)
While Hastelloy C-4 Pipe is highly durable, avoid using it in:
- Environments exceeding 1040°C, risking embrittlement
- Highly oxidizing conditions with strong nitric acid concentrations
Corrosion Data for Hastelloy C-4 Pipe
| Environment | Corrosion Rate (mm/year) |
|---|---|
| Atmospheric | <0.01 |
| 10% Sulfuric Acid | <0.05 |
| 10% Hydrochloric Acid | <0.08 |
Welding and Manufacturing Tips
Recommended welding methods for Hastelloy metal include:
- TIG (GTAW) and MIG (GMAW)
- Use matching filler metals (e.g., Hastelloy C-4 filler)
Fabrication: Cold forming, hot forming, and machining with high-speed tools.
What Customers Say About Our Hastelloy Material
Frequently Asked Questions
Q: What makes Hastelloy C-4 Pipe different from other alloy pipes?
A: Hastelloy C-4 Pipe offers superior resistance to both oxidizing and reducing chemicals and has better thermal stability compared to many other alloys.
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Q: Is Hastelloy C-4 suitable for high-temperature applications?
A: Yes, it performs well in high-temperature applications but should be used below 600°C for optimal performance.
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Q: Where is Hastelloy C-4 Pipe commonly used?
A: It is used across industries such as chemical processing, marine engineering, and waste treatment due to its exceptional corrosion resistance.
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Q: What welding methods are recommended?
A: GTAW, SMAW, and GMAW are the preferred welding techniques for Hastelloy C-4 Pipe to achieve a high-quality weld.
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Q: How does Hastelloy C-4 handle seawater environments?
A: Its excellent resistance to chloride-induced pitting and crevice corrosion makes it an ideal choice for seawater applications.