Overview of Special Steel 17CrNiMo6/1.6587 Alloy Steel
Let’s dive into the fascinating world of Special Steel 17CrNiMo6/1.6587 Alloy Steel. If you’re into metallurgy or just curious about high-performance materials, this alloy steel is quite the star. Renowned for its exceptional hardenability, toughness, and wear resistance, it’s a go-to for applications demanding durability and precision. From heavy machinery to aerospace components, this steel is a game-changer.
So, what makes 17CrNiMo6/1.6587 so special? It’s all in the composition and characteristics. This alloy is meticulously engineered to deliver top-notch performance, blending elements like chromium, nickel, and molybdenum to create a steel that stands up to the toughest conditions. Stick around as we break down everything you need to know about this impressive material.
Chemical Composition of Special Steel 17CrNiMo6/1.6587 Alloy Steel
Understanding the chemical makeup of 17CrNiMo6/1.6587 Alloy Steel is key to appreciating its capabilities. This steel isn’t just thrown together; it’s a carefully crafted blend designed for specific properties. Check out the table below to see what goes into making this alloy steel:
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.14 – 0.20 |
| Silicon (Si) | 0.15 – 0.40 |
| Manganese (Mn) | 0.50 – 0.80 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | 1.50 – 1.80 |
| Nickel (Ni) | 1.40 – 1.70 |
| Molybdenum (Mo) | 0.25 – 0.35 |
Properties and Characteristics of Special Steel 17CrNiMo6/1.6587 Alloy Steel
The unique blend of elements gives 17CrNiMo6/1.6587 its standout properties. Here’s a breakdown of what makes this alloy steel so impressive:
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 850 – 1100 MPa |
| Yield Strength | 450 – 650 MPa |
| Elongation | 12 – 15% |
| Hardness (HRC) | 28 – 34 (after heat treatment) |
Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Modulus of Elasticity | 210 GPa |
| Thermal Conductivity | 30 W/m·K |
| Specific Heat Capacity | 460 J/kg·K |
Key Characteristics
- High Hardenability: Achieves significant hardness through heat treatment, ideal for components requiring a tough surface.
- Excellent Toughness: Withstands impacts and stresses, making it perfect for heavy-duty applications.
- Good Wear Resistance: Reduces wear and tear, extending the lifespan of parts made from this steel.
- High Fatigue Strength: Performs well under cyclic loads, ensuring durability in demanding environments.
Applications of Special Steel 17CrNiMo6/1.6587 Alloy Steel
This steel’s properties make it a favorite in various high-stress industries. Here’s how it’s typically used:
| Application | Details |
|---|---|
| Automotive Industry | Gears, crankshafts, and transmission components |
| Aerospace Industry | Engine parts, landing gear, and structural components |
| Heavy Machinery | Bearings, shafts, and high-stress components |
| Tool and Die Making | Die blocks, molds, and punches |
| Oil and Gas Industry | Drilling components, valves, and high-pressure fittings |
Specifications, Sizes, Grades, and Standards
When it comes to buying or using this alloy, knowing the specifications and standards is crucial. Here’s a detailed table to guide you:
| Specification | Detail |
|---|---|
| Standard | DIN 17CrNiMo6 / 1.6587 |
| Form | Bars, plates, and forgings |
| Size Range | Bars: 10mm to 300mm diameter, Plates: up to 50mm thickness |
| Grade Equivalent | AISI 9310, ASTM A322, JIS SNCM420 |
| Heat Treatment | Annealing, quenching, and tempering |
Suppliers and Pricing Details for Special Steel 17CrNiMo6/1.6587 Alloy Steel
Sourcing this steel involves considering reputable suppliers and pricing. Here’s what you need to know:
| Supplier | Location | Pricing (per kg) | Contact Details |
|---|---|---|---|
| Thyssenkrupp Materials | Germany | $5 – $7 | www.thyssenkrupp.com |
| Ovako Steel | Sweden | $4 – $6 | www.ovako.com |
| ArcelorMittal | Global | $5 – $8 | www.arcelormittal.com |
| Nippon Steel | Japan | $6 – $9 | www.nipponsteel.com |
| Daido Steel | Japan | $5 – $7 | www.daido.co.jp |
Advantages and Limitations of Special Steel 17CrNiMo6/1.6587 Alloy Steel
Every material has its pros and cons. Here’s how 17CrNiMo6/1.6587 stacks up:
Advantages
| Advantage | Detail |
|---|---|
| High Strength | Excellent mechanical properties for demanding applications |
| Good Ductility | Balances strength with the ability to deform without breaking |
| Wear Resistance | Ideal for parts subjected to friction and wear |
| Toughness | Can absorb significant energy before fracturing |
| Fatigue Resistance | Performs well under repeated loading conditions |
Limitations
| Limitation | Detail |
|---|---|
| Cost | More expensive than standard carbon steels |
| Complex Heat Treatment | Requires precise heat treatment to achieve desired properties |
| Machinability | More challenging to machine compared to some other steels |
| Availability | May not be as readily available as more common steels |
FAQs
Q: What makes 17CrNiMo6/1.6587 alloy steel unique?
A: The unique blend of chromium, nickel, and molybdenum gives it high strength, excellent toughness, and superior wear resistance, making it ideal for demanding applications.
Q: How is 17CrNiMo6/1.6587 alloy steel used in the automotive industry?
A: It’s commonly used in gears, crankshafts, and transmission components due to its high strength and wear resistance.
Q: What are the main advantages of using this alloy steel?
A: It offers high strength, good ductility, wear resistance, toughness, and fatigue resistance, making it suitable for various high-stress applications.
Q: What are the limitations of 17CrNiMo6/1.6587 alloy steel?
A: Its higher cost, complex heat treatment requirements, challenging machinability, and limited availability compared to standard steels can be seen as drawbacks.
Q: Which industries benefit the most from using 17CrNiMo6/1.6587 alloy steel?
A: The automotive, aerospace, heavy machinery, tool and die making, and oil and gas industries benefit significantly from its properties.
Q: How does heat treatment affect 17CrNiMo6/1.6587 alloy steel?
A: Heat treatment can enhance its mechanical properties, particularly hardness and toughness, making it suitable for more demanding applications.
Conclusion
Special Steel 17CrNiMo6/1.6587 Alloy Steel is an exceptional material known for its high performance in demanding applications. From its unique chemical composition to its remarkable mechanical properties, this steel stands out in industries that require durability, strength, and wear resistance. Whether it’s in the automotive sector, aerospace industry, or heavy machinery, 17CrNiMo6/1.6587 proves to be a reliable and efficient choice.
While it comes with its own set of challenges, including cost and machinability, the advantages far outweigh the limitations for most applications. Understanding its specifications, applications, and benefits can help you make an informed decision about whether this alloy steel meets your needs.
