9Cr18 Stainless Steel Powder: High-Hardness Alloy for Precision Applications
Overview:
9Cr18 stainless steel powder is a martensitic stainless steel alloy known for its high hardness, excellent corrosion resistance, and superior wear resistance. Its balanced composition makes it ideal for applications requiring strength and precision, such as cutting tools, bearings, and medical instruments. The spherical powder form ensures optimal flowability and consistency in advanced manufacturing processes.
What is 9Cr18 Stainless Steel Powder?
9Cr18 is a high-carbon, high-chromium stainless steel alloy designed for high-performance applications. Its martensitic structure and chromium content provide excellent mechanical properties, corrosion resistance, and wear resistance, making it suitable for demanding environments.
Composition:
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 17.0-19.0 |
| Carbon (C) | 0.90-1.20 |
| Manganese (Mn) | ≤1.00 |
| Silicon (Si) | ≤1.00 |
| Phosphorus (P) | ≤0.035 |
| Sulfur (S) | ≤0.030 |
| Nickel (Ni) | ≤0.75 |
| Iron (Fe) | Balance |
Features:
High Hardness: Exceptional wear resistance after heat treatment.
Corrosion Resistance: Performs well in mildly corrosive environments.
Spherical Powder Form: Ensures superior flowability and precision for manufacturing.
Applications:
| Industry | Application |
|---|---|
| Medical | Surgical instruments and dental tools |
| Automotive | Bearings and precision components |
| Industrial | Cutting tools and wear-resistant parts |
Specifications:
| Property | Value |
|---|---|
| Particle Size | Customizable for specific applications |
| Density | ~7.7 g/cm³ |
| Hardness | ~58-62 HRC (after heat treatment) |
| Tensile Strength | ~980-1200 MPa |
| Yield Strength | ~800-1000 MPa |
Advantages:
Durability: High resistance to wear and corrosion.
Precision: Spherical powder form ensures uniformity in advanced manufacturing.
Versatility: Suitable for diverse high-performance applications.
Limitations:
Machinability: Harder to machine compared to lower-carbon steels.
Brittleness: Increased hardness may reduce toughness in some applications.
FAQs:
| Question | Answer |
|---|---|
| What industries commonly use 9Cr18 stainless steel powder? | Medical, automotive, and industrial sectors. |
| How does heat treatment affect 9Cr18 properties? | It enhances hardness and wear resistance significantly. |
| Why is the spherical powder form beneficial? | It improves flowability, precision, and reduces waste in manufacturing. |