When it comes to corrosion resistance and durability in extreme environments, Hastelloy C-276 powder stands out as a top contender. This nickel-molybdenum-chromium alloy with iron additions offers exceptional versatility and robustness, making it a favorite in industries like chemical processing, marine engineering, and aerospace. But what makes this material so remarkable? Let’s dive into the details.
Overview of Hastelloy C-276 Powder
Hastelloy C-276 powder is a superalloy known for its ability to withstand severe corrosion in various chemical environments. With a carefully engineered composition and properties that balance strength, ductility, and resistance to oxidizing agents, it has earned its place as a staple in demanding industries. This powder is often used in additive manufacturing and powder metallurgy to create components with complex geometries and excellent mechanical properties.
Key Properties at a Glance
| Property | Value |
|---|---|
| Base Composition | Nickel-Molybdenum-Chromium-Iron |
| Density | 8.89 g/cm³ |
| Melting Range | 1325–1370°C |
| Corrosion Resistance | Exceptional in oxidizing and reducing environments |
| Thermal Stability | High resistance to thermal deformation |
| Powder Size Distribution | Customizable (typically 15–45 µm or 45–150 µm) |
| Standards | ASTM B622, ASTM B619, UNS N10276 |
Detailed Composition of Hastelloy C-276 Powder
Understanding its chemical makeup is crucial. The alloy’s composition is fine-tuned to optimize performance in hostile environments.
| Element | Weight Percentage (%) | Role in Alloy |
|---|---|---|
| Nickel (Ni) | 57.0 (min) | Base element, provides corrosion resistance and ductility |
| Molybdenum (Mo) | 15.0–17.0 | Enhances resistance to reducing agents |
| Chromium (Cr) | 14.5–16.5 | Improves resistance to oxidizing agents |
| Iron (Fe) | 4.0–7.0 | Contributes to structural stability |
| Cobalt (Co) | 2.5 (max) | Enhances strength and thermal stability |
| Tungsten (W) | 3.0–4.5 | Adds creep strength |
| Carbon (C) | 0.01 (max) | Maintains weldability and ductility |
Characteristics of Hastelloy C-276 Powder
1. Corrosion Resistance
Hastelloy C-276 powder is virtually immune to pitting, stress corrosion cracking, and crevice corrosion in a wide range of environments. Think of it as the armor for your industrial applications. Whether dealing with hydrochloric acid or oxidizing salt solutions, it’s got you covered.
2. High-Temperature Strength
This powder retains mechanical integrity even at elevated temperatures, making it perfect for applications in furnaces, heat exchangers, and chemical reactors.
3. Versatility in Manufacturing
Hastelloy C-276 powder is widely used in additive manufacturing and powder metallurgy. Its fine granularity and uniform composition enable precise control over final component properties.
Applications of Hastelloy C-276 Powder
| Industry | Applications |
|---|---|
| Chemical Processing | Reactors, heat exchangers, piping |
| Aerospace | Turbine components, exhaust ducts |
| Marine | Propellers, pumps, underwater components |
| Pharmaceutical | Sterile processing equipment |
| Nuclear | Containment vessels, radiation shielding structures |
| Additive Manufacturing | Customized components for aerospace and medical devices |
Comparison of Hastelloy C-276 Powder Models
When selecting Hastelloy C-276 powder, there are several variations designed for specific use cases. Here’s a comparison of 10 specific models:
| Model | Powder Size Range (µm) | Application | Unique Features |
|---|---|---|---|
| Hastelloy C-276P | 15–45 | Additive manufacturing | Uniform spherical shape, low porosity |
| Hastelloy C-276F | 45–150 | Powder metallurgy | Excellent flowability |
| Hastelloy C-276S | 20–53 | Spray coating | Optimized for thermal spray applications |
| Hastelloy C-276M | 10–30 | Microfabrication | Ultra-fine granularity |
| Hastelloy C-276AM | 25–75 | 3D printing | Enhanced layer bonding |
| Hastelloy C-276E | 50–150 | Extrusion processes | High bulk density |
| Hastelloy C-276H | 20–63 | High-temperature applications | Increased thermal stability |
| Hastelloy C-276T | 15–45 | Thin-wall structures | Superior weldability |
| Hastelloy C-276X | Customizable | Experimental uses | Tailored to specific R&D requirements |
| Hastelloy C-276R | 30–90 | Rotary atomization | Ideal for rotational deposition |
Specifications, Sizes, and Standards
| Parameter | Details |
|---|---|
| Powder Sizes | Available in 10–150 µm depending on application |
| Standards | ASTM B622, ASTM B619, ASTM B366, ASME SB622 |
| Packaging Options | 1 kg, 5 kg, 10 kg, bulk shipments |
| Certifications | ISO 9001, REACH compliant, ROHS compliant |
Suppliers and Pricing Details
| Supplier Name | Location | Price (per kg) | Shipping Options |
|---|---|---|---|
| Advanced Alloy Powders | USA | $120–$150 | Worldwide |
| Global Metalworks | Germany | $100–$130 | EU and international |
| Precision Metal Co. | Japan | $110–$140 | Asia and Americas |
| Metallurgy Masters | India | $90–$120 | Domestic and global |
| Aerospace Alloys | UK | $130–$160 | Europe-focused |
Advantages and Limitations
| Aspect | Advantages | Limitations |
|---|---|---|
| Corrosion Resistance | Exceptional against a wide range of chemicals | High cost compared to standard steels |
| Thermal Stability | Retains properties at high temperatures | May require special handling during processing |
| Manufacturing Versatility | Compatible with various manufacturing techniques | Limited availability in some regions |
FAQ
| Question | Answer |
|---|---|
| What is Hastelloy C-276 powder used for? | It’s used in industries like aerospace, marine, and chemical processing for its durability and corrosion resistance. |
| Can Hastelloy C-276 be 3D printed? | Yes, its powder form is ideal for additive manufacturing techniques. |
| What is the price range for Hastelloy C-276 powder? | Prices vary between $90–$160 per kg, depending on the supplier and quantity. |
| Is it resistant to hydrochloric acid? | Absolutely. It performs exceptionally well in hydrochloric acid environments. |
| How is the powder manufactured? | Typically via atomization processes like gas or water atomization for uniform granularity. |
Conclusion
Hastelloy C-276 powder is a powerhouse material that offers unparalleled performance in extreme environments. Whether you’re looking for corrosion resistance, high-temperature strength, or versatility in manufacturing, this alloy checks all the boxes. From chemical reactors to aerospace components, it’s the go-to choice for engineers and designers aiming for excellence.
