Overview of Inconel 939 Powder
Inconel 939 Powder is a nickel-based superalloy known for its high performance in extreme environments. It is primarily used for manufacturing components in gas turbines, jet engines, and other high-temperature applications. Its composition includes nickel, chromium, cobalt, and other elements that make it resistant to thermal degradation and oxidation.
This powder is extensively utilized in additive manufacturing, specifically for 3D printing and precision engineering. Its adaptability to various manufacturing processes ensures consistent and reliable results across a wide range of industries.
Composition of Inconel 939 Powder
The unique properties of Inconel 939 Powder stem from its precise chemical composition. Below is a breakdown of its primary components:
| Element | Composition (% by weight) | Role |
|---|---|---|
| Nickel (Ni) | 50-55 | Provides corrosion resistance and toughness |
| Chromium (Cr) | 18-23 | Enhances oxidation resistance |
| Cobalt (Co) | 17-21 | Improves high-temperature strength |
| Molybdenum (Mo) | 1-3 | Adds to creep resistance |
| Aluminum (Al) | 0.5-1.5 | Improves oxidation resistance |
| Titanium (Ti) | 1-3 | Strengthens alloy through precipitation |
| Iron (Fe) | 1 max | Stabilizes the structure |
| Carbon (C) | 0.15 max | Improves hardness and wear resistance |
| Boron (B) | 0.01-0.04 | Enhances grain boundary strength |
| Zirconium (Zr) | 0.03-0.08 | Improves creep strength |
Characteristics of Inconel 939 Powder
Here are some key characteristics that make Inconel 939 Powder an outstanding choice for various applications:
- High-Temperature Strength: Retains structural integrity under extreme thermal conditions.
- Oxidation Resistance: Excellent resistance to oxidizing environments at high temperatures.
- Creep Resistance: Can withstand prolonged stress at elevated temperatures without significant deformation.
- Corrosion Resistance: Highly resistant to corrosion in harsh environments, including saline and acidic conditions.
- Durability: Withstands mechanical stress and fatigue over time.
- Adaptability: Compatible with advanced manufacturing techniques such as 3D printing and powder metallurgy.
Types and Models of Inconel 939 Powder
Below are specific types of Inconel 939 Powder variants, each tailored to different applications:
| Model | Description |
| Inconel 939 AM | Optimized for additive manufacturing processes, particularly 3D printing. |
| Inconel 939H | High-temperature variant designed for gas turbine blades. |
| Inconel 939F | Fine-grained powder suitable for intricate components and microfabrication. |
| Inconel 939-XT | Extended-temperature model with superior oxidation resistance. |
| Inconel 939 Nano | Nano-sized powder particles for high-precision applications. |
| Inconel 939-SP | Specially processed for enhanced creep resistance in aerospace components. |
| Inconel 939-RF | Reinforced formula for maximum tensile strength. |
| Inconel 939-SM | Standard model suitable for general industrial applications. |
| Inconel 939-LT | Lightweight formula tailored for automotive and lightweight aerospace components. |
| Inconel 939-HT | High-toughness variant designed for heavy-duty machinery. |
Applications of Inconel 939 Powder
The versatility of Inconel 939 Powder makes it indispensable in several industries. Here’s a table summarizing its key applications:
| Industry | Application | Details |
| Aerospace | Jet engine components | Combustion chambers, turbine blades, and exhaust systems. |
| Energy | Gas turbines | Turbine vanes and other high-temperature components. |
| Automotive | Turbochargers and exhaust systems | High-performance automotive components. |
| Medical | Surgical instruments | Resistant to wear and sterilization environments. |
| Industrial | Heat exchangers and furnaces | Ideal for high-temperature industrial processes. |
| Additive Manufacturing | 3D-printed parts | Used for creating custom and complex geometries. |
| Oil & Gas | Drilling and exploration equipment | Resistant to harsh environments and corrosive substances. |
Specifications, Sizes, and Standards
To cater to diverse applications, Inconel 939 Powder is available in various specifications and sizes:
| Parameter | Details |
| Particle Size | 15-53 microns (standard for additive manufacturing), customizable sizes. |
| Standards | ASTM B213, AMS 5391, ISO 9001 certified. |
| Packaging Options | 5kg, 10kg, 25kg containers, vacuum-sealed for moisture resistance. |
| Density | 8.19 g/cm³. |
| Purity | ≥99% alloy content. |
| Melting Point | 1,330°C to 1,370°C. |
| Shelf Life | 12 months under optimal storage conditions. |
Suppliers and Pricing
A comparison of suppliers offering Inconel 939 Powder:
| Supplier | Pricing (per kg) | Features |
| AlloyTech Co. | $150-$200 | High-purity powder with customizable particle sizes. |
| PowderWorks | $180-$230 | Specializes in additive manufacturing powders. |
| NickelForge Ltd. | $140-$190 | Offers bulk discounts and fast delivery. |
| AeroMaterials | $160-$210 | Aerospace-grade powders with stringent quality control. |
| MetalCraft | $170-$220 | Provides technical support and certification. |
Advantages and Limitations of Inconel 939 Powder
| Advantages | Limitations |
| Exceptional high-temperature strength | Expensive compared to other materials |
| Outstanding oxidation and corrosion resistance | Limited availability in certain regions |
| Compatible with advanced manufacturing methods | Requires specialized handling and equipment |
| Long service life in extreme conditions | Complex production processes increase lead time |
FAQs
| Question | Answer |
| What is Inconel 939 Powder best used for? | High-temperature applications like gas turbines and jet engines. |
| Can it be used in additive manufacturing? | Yes, it is highly suitable for 3D printing and other advanced techniques. |
| What makes it unique compared to other superalloys? | Its exceptional creep resistance and oxidation resistance. |
| Is it cost-effective for small-scale projects? | It’s expensive but offers unmatched durability and performance. |
| How should it be stored? | In vacuum-sealed containers, away from moisture and contaminants. |
