22Cr12Ni9Cu2NbTi Stainless Steel Powder: Advanced Corrosion-Resistant Alloy for Precision Applications
Overview:
22Cr12Ni9Cu2NbTi stainless steel powder is a high-performance austenitic stainless steel alloy designed for excellent corrosion resistance, high strength, and thermal stability. Its unique composition, featuring chromium, nickel, copper, niobium, and titanium, ensures outstanding performance in harsh environments, making it suitable for aerospace, marine, and chemical processing industries. The spherical powder form enhances flowability and precision, ideal for additive manufacturing and powder metallurgy applications.
What is 22Cr12Ni9Cu2NbTi Stainless Steel Powder?
22Cr12Ni9Cu2NbTi is an austenitic stainless steel alloy that combines the benefits of corrosion resistance, mechanical strength, and thermal stability. The addition of niobium and titanium improves its resistance to intergranular corrosion and enhances its structural integrity under high temperatures.
Composition:
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 20.0-23.0 |
| Nickel (Ni) | 8.0-10.0 |
| Copper (Cu) | 1.5-2.5 |
| Niobium (Nb) | 0.3-0.7 |
| Titanium (Ti) | 0.2-0.5 |
| Carbon (C) | ≤0.08 |
| Manganese (Mn) | ≤1.00 |
| Silicon (Si) | ≤0.75 |
| Phosphorus (P) | ≤0.035 |
| Sulfur (S) | ≤0.030 |
| Iron (Fe) | Balance |
Features:
Corrosion Resistance: Excellent performance in marine and chemical environments.
Thermal Stability: Maintains mechanical integrity at elevated temperatures.
Enhanced Strength: Niobium and titanium improve structural stability.
Applications:
| Industry | Application |
|---|---|
| Aerospace | Engine components and structural parts |
| Marine | Shipbuilding and offshore platforms |
| Chemical Processing | Heat exchangers and storage tanks |
Specifications:
| Property | Value |
|---|---|
| Particle Size | Customizable for specific applications |
| Density | ~7.9 g/cm³ |
| Hardness | ~200-250 HB |
| Tensile Strength | ~600-750 MPa |
| Yield Strength | ~250-350 MPa |
Advantages:
Durability: High resistance to corrosion and mechanical wear.
Versatility: Suitable for a wide range of industrial applications.
Precision: Spherical powder ensures superior flowability and uniformity.
Limitations:
Machinability: Slightly more challenging compared to standard stainless steels.
Cost: Premium alloying elements increase production costs.
FAQs:
| Question | Answer |
|---|---|
| What industries use 22Cr12Ni9Cu2NbTi stainless steel powder? | Aerospace, marine, and chemical processing sectors. |
| How does titanium improve its properties? | Titanium enhances resistance to intergranular corrosion and improves thermal stability. |
| Why is the spherical powder form advantageous? | It ensures better flowability, precision, and reduced waste in manufacturing. |