Overview of Special Steel D31.2080
Special Steel D31.2080 is a high-carbon, high-chromium tool steel known for its exceptional wear resistance and toughness. This steel type is primarily used in the manufacturing of cutting tools, dies, and molds due to its high durability and ability to retain sharp edges under heavy-duty conditions. Its unique properties make it a popular choice in industries where precision and longevity are paramount.
Key Features of Special Steel D31.2080
- High wear resistance: Suitable for high-stress applications.
- Excellent toughness: Reduces the risk of breakage and chipping.
- Good dimensional stability: Maintains shape and size during use.
- High hardness: Ensures long-lasting performance and efficiency.
- Corrosion resistance: Provides durability in harsh environments.
Composition of Special Steel D31.2080
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 1.90 – 2.10 |
| Chromium (Cr) | 11.00 – 13.00 |
| Molybdenum (Mo) | 0.70 – 1.00 |
| Vanadium (V) | 0.50 – 0.80 |
| Manganese (Mn) | 0.20 – 0.60 |
| Silicon (Si) | 0.10 – 0.60 |
| Phosphorus (P) | ≤ 0.03 |
| Sulfur (S) | ≤ 0.03 |
Properties and Characteristics
| Property | Value |
|---|---|
| Hardness | 58 – 62 HRC |
| Density | 7.7 – 7.8 g/cm³ |
| Thermal Conductivity | 20.0 – 25.0 W/m·K |
| Coefficient of Thermal Expansion | 10.0 – 12.0 x 10⁻⁶ /°C |
| Tensile Strength | 2000 – 2400 MPa |
| Modulus of Elasticity | 210 GPa |
| Impact Toughness | High |
Applications of Special Steel D31.2080
Special Steel D31.2080 is used in various high-performance applications due to its superior wear resistance and toughness. Let’s dive into where you might encounter this remarkable material.
Industrial Applications
| Application | Description |
|---|---|
| Cutting Tools | Used for making high-precision cutting tools due to its hardness and edge retention. |
| Dies and Molds | Ideal for injection molding and extrusion dies, offering longevity and performance. |
| Bearing Components | Utilized in high-stress bearing parts that require wear resistance. |
| Knives and Blades | Preferred for industrial knives and blades where sharpness and durability are critical. |
| Metal Forming Tools | Employed in the production of tools for metal forming processes like stamping and punching. |
Engineering Applications
| Application | Description |
|---|---|
| Aerospace Components | Used in the aerospace industry for components that endure high wear and stress. |
| Automotive Parts | Applied in the manufacture of parts that require high durability and precision. |
| Medical Instruments | Utilized for surgical tools and instruments that require sharpness and corrosion resistance. |
| Construction Tools | Ideal for tools and equipment that face tough working conditions. |
| Oil and Gas Industry | Used in components exposed to harsh environments and high wear. |
Specifications, Sizes, Grades, and Standards
Specifications and Sizes
| Specification | Size Range (mm) |
|---|---|
| Sheets | 0.5 – 100 |
| Plates | 5 – 300 |
| Bars | 6 – 100 |
| Rods | 10 – 200 |
| Coils | 0.1 – 5 |
Grades and Standards
| Grade | Standard |
|---|---|
| D31.2080 | DIN 1.2080 |
| X210Cr12 | EN ISO 4957 |
| AISI D3 | ASTM A681 |
| JIS SKD1 | JIS G4404 |
Suppliers and Pricing Details
Leading Suppliers
| Supplier | Location | Contact |
|---|---|---|
| Böhler Uddeholm | Austria | [email protected] |
| Sandvik | Sweden | [email protected] |
| Hitachi Metals | Japan | [email protected] |
| Daido Steel | Japan | [email protected] |
| ThyssenKrupp | Germany | [email protected] |
Pricing Details
| Supplier | Price Range (USD/kg) |
|---|---|
| Böhler Uddeholm | 25 – 35 |
| Sandvik | 30 – 40 |
| Hitachi Metals | 28 – 38 |
| Daido Steel | 27 – 37 |
| ThyssenKrupp | 26 – 36 |
Pros and Cons of Special Steel D31.2080
Advantages
- Superior Wear Resistance: Outlasts many other steels in abrasive conditions.
- High Hardness: Maintains cutting edge and precision over long periods.
- Good Dimensional Stability: Reduces deformation during heat treatment.
- Corrosion Resistant: Suitable for harsh environments and prolonged exposure.
Limitations
- High Cost: More expensive compared to some other tool steels.
- Difficult to Machine: Requires specialized equipment and techniques.
- Brittleness: Can be prone to chipping if not properly handled.
Special Steel D31.2080 vs. Other Tool Steels
D31.2080 vs. D2 Steel
| Feature | D31.2080 | D2 Steel |
|---|---|---|
| Wear Resistance | Higher | High |
| Toughness | Slightly Lower | Higher |
| Hardness | Similar | Similar |
| Machinability | More Difficult | Easier |
| Cost | Higher | Lower |
D31.2080 vs. H13 Steel
| Feature | D31.2080 | H13 Steel |
|---|---|---|
| Wear Resistance | Higher | Lower |
| Toughness | Lower | Higher |
| Hardness | Higher | Lower |
| Heat Resistance | Lower | Higher |
| Cost | Higher | Similar |
FAQ
| Question | Answer |
|---|---|
| What is the primary use of Special Steel D31.2080? | It is primarily used for making cutting tools, dies, and molds due to its high wear resistance and hardness. |
| How does D31.2080 compare to other tool steels? | D31.2080 offers superior wear resistance and hardness but can be more difficult to machine and is costlier. |
| What industries benefit most from D31.2080? | Industries such as aerospace, automotive, medical, and oil & gas benefit from its high durability and precision. |
| What are the machining challenges with D31.2080? | Due to its high hardness, machining D31.2080 requires specialized equipment and techniques to avoid tool wear and breakage. |
| Can D31.2080 be used in corrosive environments? | Yes, its chromium content provides good corrosion resistance, making it suitable for harsh environments. |
| Is D31.2080 available in different grades? | Yes, it is available under various grades and standards such as DIN 1.2080, AISI D3, and JIS SKD1. |
| What is the cost range for Special Steel D31.2080? | The cost typically ranges from $25 to $40 per kilogram, depending on the supplier and specific requirements. |
| What makes D31.2080 suitable for cutting tools? | Its high hardness and wear resistance allow it to maintain sharp edges and precision over long periods, even under heavy use. |
| Are there any limitations to using D31.2080? | The main limitations are its high cost, difficulty in machining, and potential brittleness if not properly handled. |
| Who are the leading suppliers of Special Steel D31.2080? | Leading suppliers include Böhler Uddeholm, Sandvik, Hitachi Metals, Daido Steel, and ThyssenKrupp. |
Conclusion
Special Steel D31.2080 stands out as a high-performance tool steel that excels in applications requiring superior wear resistance and hardness. Despite its higher cost and machining challenges, its benefits in durability and precision make it an invaluable material in industries ranging from aerospace to automotive. By understanding its properties, applications, and comparisons with other steels, users can make informed decisions to leverage the full potential of D31.2080 in their specific needs.
