AISI 8620 Steel Bar with High Hardenability, Good Weldability, and Cold Strain Plasticity for Industrial Applications
Price:
US $850-1,350 / Ton
MOQ:
1 Ton
Delivery Time:
Negotiable
Product Description
AISI 8620 Steel Bar Stock Overview
SAE8620H Alloy Round Bar (UNS G86200) is a high-quality alloy construction steel offering excellent hardenability, machinability, and weldability. This low carbon nickel chromium molybdenum alloy provides superior carburized properties and formability.
Key Features
- Excellent machinability performance
- Superior cold strain plasticity
- Outstanding weldability
- High hardenability without fragility after tempering
International Standards Equivalents
| Chinese (GB) | American (AISI) | German (DIN) | Japanese (JIS) |
|---|---|---|---|
| 20CrNiMo | SAE8620 | 1.6523 | / |
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.17-0.23 |
| Silicon (Si) | 0.17-0.37 |
| Manganese (Mn) | 0.6-0.95 |
| Phosphorus (P) | ≤0.035 |
| Sulfur (S) | ≤0.035 |
| Chromium (Cr) | 0.4-0.7 |
| Molybdenum (Mo) | 0.20-0.30 |
| Copper (Cu) | ≤0.30 |
Mechanical Properties
| Property | Value |
|---|---|
| Quenching Temperature | 850°C (oil cooled) |
| Tempering | 200°C (air cooled) |
| Tensile Strength (σb) | ≥980 MPa (100) |
| Yield Strength (σs) | ≥785 MPa (80) |
| Elongation (δ5) | ≥9% |
| Reduction of Area (ψ) | ≥40% |
| Impact Energy (Akv) | ≥47 J |
Typical Applications
Widely used in transmission systems, tractor motors, and small to medium automotive components. Serves as an alternative to 12CrNi3 for high-class carburization and cyanide carburizing parts including oil drilling equipment, mining claws, and cones. Commonly specified for carburized gears, pinions, shafts, bearings, piston rings, ring gears, and crankshafts.
Available Stock Sizes
Round Bar Diameter: 12-380mm
Material Conditions & Forms
Available in round bars, flat bars, plates, and blocks. Various conditions include pre-hardened, hot rolled, annealed, quenched and tempered. Surface conditions range from black, pre-machined, grinding, to polished finishes.
Quality Assurance & Service Benefits
Quality Sourcing
Materials sourced exclusively from government-owned steel mills ensuring consistent high-quality products.
Timely Delivery
Priority treatment for all orders with shortest possible lead times for both raw and finished materials.
ISO 9001 Certified
Continuous improvement of integrated quality management system with regular audits and recertification.
Value-Added Services
- Metal cutting and sizing
- Machining (blanking, milling, grinding)
- Heat treatment services
- Sawing for small or large quantities
- Sawing-to-size capabilities
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben