SAE8620H Hot Rolled Steel Tube Quenched And Tempered Alloy Structural Steel Pipe
SAE8620H Hot Rolled Steel Tube Quenched And Tempered Alloy Structural Steel Pipe
Material Specification
SAE8620H is a low-alloy steel known for its excellent toughness, strength, and wear resistance. It is commonly used in the manufacture of structural components that require high durability and reliability. The steel is typically supplied in a quenched and tempered condition, enhancing its mechanical properties and making it suitable for demanding applications.
Key Features
- High Strength and Toughness: The quenching and tempering process significantly enhances the strength and toughness of SAE8620H, making it ideal for heavy-duty applications.
- Wear Resistance: The alloy composition provides excellent resistance to wear and abrasion.
- Good Machinability: Despite its strength, SAE8620H maintains good machinability, allowing for easier fabrication and processing.
- Versatility: Suitable for a wide range of applications, including automotive, construction, and machinery.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.18 - 0.23 |
| Manganese (Mn) | 0.70 - 0.90 |
| Silicon (Si) | 0.15 - 0.35 |
| Chromium (Cr) | 0.40 - 0.60 |
| Nickel (Ni) | 0.40 - 0.70 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.040 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 850 - 1100 MPa |
| Yield Strength | ≥ 620 MPa |
| Elongation | ≥ 12% |
| Hardness (HB) | 248 - 302 |
Similar Standards and Steel Grades
- ASTM: A29/A29M
- EN: 20MnCr5
- GOST: 20ХН3А
- JIS: SCM420H
- GB: 20CrMnTi
Application
SAE8620H is widely used in various industries due to its robust mechanical properties and versatility. Common applications include:
- Automotive Components: Gears, shafts, and other drivetrain components.
- Construction Machinery: Structural parts that require high strength and toughness.
- Industrial Equipment: Components subjected to high wear and stress.
- Oil and Gas Industry: Tubing and piping systems that demand durability and resistance to harsh environments.
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A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
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