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Hot Rolled SAE8620 Alloy Steel Round Bar with Polished Surface for Structural Applications
Product Details
| Diameter Range | 10 - 320mm | Length | 6m Or Custom |
|---|---|---|---|
| Technique | Hot Rolled | Surface Treatment | Polished |
| Carbon Content | 0.17 - 0.23% | Manganese Content | 0.65 - 0.95% |
| Molybdenum Content | 0.15 - 0.25% | Chromium Content | 0.35 - 0.70% |
| Nickel Content | 0.40 - 0.70% | Hardness | 24-34 HRC |
| Tensile Strength | 530 MPa | Yield Strength | 385 MPa |
| Elongation | 18% | Thermal Conductivity | 46.6 W/mK |
| Density | 7.85 G/cm3 | ||
| Highlight | Hot Rolled Alloy Steel Round Bar,Polished Surface SAE8620 Round Rod,Structural Application 20NCD2 Alloy Steel Bar |
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Product Description
DIN 1.6523 Structure Alloy Steel Bars SAE8620 Round Rod 20NCD2 Alloy
Product Specifications
| Product Name | SEA8620 / 1.6523 Alloy Steel Round Bar |
|---|---|
| Diameter | 10 - 320mm |
| Length | 6m or custom cutting any length as requested |
| Type | Hot Rolled |
| Brand | BAOSTEEL, DELTA, DONGBEI, HUAXI, SHAGANG, etc. |
| MOQ | 1 Ton |
| Loading Port | Shanghai Port |
| Packing | Packing by steel wire rope |
| Delivery Time | 5 - 7 days for stock materials |
| Other Grades | Q195, Q235, 10#, 20#, 35#, 45#, Q215, Q345, 12Cr1Mov, 15CrMo, 304, 316, 20Cr, 40Cr, 20CrMo, 35CrMo, 42CrMo, 40CrNiMo, GCr15, 65Mn, 50Mn, 50Cr, 3Cr2W8V, 20CrMnTi, 5CrMnMo |
| Standard | ASTM, GB, EN, DIN |
| Application | Structure and Industrial |
Standard Stock Sizes - SAE8620 Round Bar
Standard Diameter: 10, 12, 15, 18, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 105, 110, 120, 130, 140, 150, 160, 180, 200, 210, 220, 230, 250, 270, 300mm
Other Alloy Steel Round Bars Available
40CrNiMoA, 4340, 40CrNi2Mo, 34CrNiMo6, 17CrNiMo6, 20CrNiMoA, 8620H, 35CrMo, V40, 20CrMnMo, 20MnCr5, 30CrNiMo8, 18CrNiMo7
Material Description
What is 1.6523 (AISI 8620, 20NiCrMo2) Steel Material?
1.6523 (AISI 8620, 20NiCrMo2) is an alloy steel type commonly used in applications requiring high hardness, durability, and strength properties. This steel contains nickel, chromium, molybdenum, manganese, carbon, and iron elements. When processed with a hardened core, it provides exceptional strength and impact resistance, making it suitable for surface-hardening processes.
While popular for its high strength and durability, this steel presents some challenges including welding difficulties and potential oxidation at high temperatures, requiring proper application and processing techniques.
Hardness Characteristics
The surface hardness and hardness depth of 1.6523 (AISI 8620, 20NiCrMo2) steel can be precisely adjusted through case hardening processes.
Applications
1.6523 (AISI 8620, 20NiCrMo2) steel is widely used across various industries including automotive, aviation, agriculture, mining, energy, and construction. Typical applications include gears, transmissions, shafts, axles, traction control components, and numerous other mechanical parts.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon | 0.17 - 0.23 |
| Manganese | 0.65 - 0.95 |
| Molybdenum | 0.15 - 0.25 |
| Silicon | Max 0.40 |
| Phosphorus | Max 0.025 |
| Sulfur | Max 0.035 |
| Chromium | 0.35 - 0.70 |
| Nickel | 0.40 - 0.70 |
Mechanical Properties
| Property | Value | Unit |
|---|---|---|
| Hardness | 24-34 | HRC |
| Tensile Strength | 530 | MPa |
| Yield Strength | 385 | MPa |
| Elongation L=5D | 18 | % |
Physical Properties
| Property | Value | Unit |
|---|---|---|
| Coefficient of Thermal Expansion | 6.6 | 1/K * 10⁻⁶ |
| Thermal Conductivity (20°C) | 46.6 | W/mK |
| Density | 7.85 | g/cm³ |
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