GCr15 100Cr6 Bearing Steel Tube High Carbon Chromium Bearing Steel Seamless Steel Tubes
GCr15 100Cr6 Bearing Steel Tube: High Carbon Chromium Bearing Steel Seamless Steel Tubes
Material
GCr15, also known as 100Cr6, is a high carbon chromium bearing steel widely used in the manufacturing of seamless steel tubes. This material is renowned for its exceptional hardness, wear resistance, and ability to withstand high stress, making it ideal for bearing applications. The steel is characterized by its high carbon content and chromium alloying, which contribute to its superior mechanical properties.
Specification
GCr15/100Cr6 bearing steel tubes are typically produced in seamless form to ensure uniformity and strength. The specifications for these tubes often include:
- Outer Diameter: Varies based on application requirements.
- Wall Thickness: Customizable according to specific needs.
- Length: Can be tailored to fit particular applications.
- Surface Finish: Typically polished or ground to enhance performance.
Key Features
- High Hardness: Provides excellent wear resistance.
- Good Fatigue Strength: Suitable for high-stress applications.
- Dimensional Stability: Maintains shape and size under varying conditions.
- Corrosion Resistance: Enhanced by chromium content.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.95 - 1.05 |
| Silicon (Si) | 0.15 - 0.35 |
| Manganese (Mn) | 0.25 - 0.45 |
| Chromium (Cr) | 1.40 - 1.65 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 640 - 880 MPa |
| Yield Strength | ≥ 400 MPa |
| Elongation | ≥ 8% |
| Hardness | 60 - 64 HRC (after heat treatment) |
Similar Standards and Steel Grades
- ASTM: A295
- EN: 100Cr6
- GOST: ШХ15
- JIS: SUJ2
- GB: GCr15
Application
GCr15/100Cr6 bearing steel tubes are primarily used in the manufacturing of bearings, which are critical components in various mechanical systems. These tubes are also utilized in:
- Automotive Industry: For components like wheel bearings and transmission systems.
- Aerospace: In high-performance bearings for aircraft engines.
- Industrial Machinery: Bearings for heavy-duty machines and equipment.
- Railway: Axle bearings and other critical components.
The combination of high hardness, excellent wear resistance, and good fatigue strength makes GCr15/100Cr6 an ideal choice for applications requiring reliable and durable bearing solutions.
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