Yousef Steel, a reputable manufacturer and supplier located in Riyadh, Saudi Arabia, proudly offers high-performance **Alloy Steel AISI 8620 Bars**. These bars are perfect for engineering components that need a robust, wear-resistant surface combined with a tough and ductile core. AISI 8620 is a low-alloy **nickel-chromium-molybdenum** steel, commonly utilized for **case hardening** applications thanks to its outstanding **core strength, toughness, and fatigue resistance**.
These bars find extensive use in the production of **gears, shafts, camshafts, crankshafts, bushings, pins**, and other essential automotive and industrial components. After undergoing **carburizing and quenching**, AISI 8620 achieves a **hardened surface (up to 60 HRC)** while preserving its **impact-resistant core properties**.
| AISI 8620 Steel Round Bar Plate Sheet Supply Range | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type | Specification | Surface | |||||||||||||||||
| Round Bar | Diameter: 16mm – 800mm; length: 2000mm-5000mm Other specifications can be customized. | Black Surface/Bright Surface/ Grinded/Peeled/Turned | |||||||||||||||||
| Sheet/Plate/Slab | Thickness: 16-800mm; width: 205mm-810mm; length: 2000mm-5000mm Other specifications can be customized. | Black Surface/Bright Surface/ Grinded/Peeled/Turned | |||||||||||||||||
| STAND | C(%) | Mn(%) | P(%) | S(%) | Si(%) | Cr(%) | Mo(%) | Ni(%) |
|---|---|---|---|---|---|---|---|---|
| ASTM A29/A29M-05 | 0.18-0.23 | 0.70-0.90 | ≤0.035 | ≤0.040 | 0.15-0.35 | 0.40-0.60 | 0.15-0.25 | 0.40-0.70 |
| EN 10084-2008 | 0.17-0.23 | 0.65-0.95 | ≤0.025 | ≤0.035 | 0.40 | 0.35-0.70 | 0.15-0.25 | 0.40-0.70 |
| JIS G4053-2008 | 0.17-0.23 | 0.60-0.90 | Max0.030 | Max0.030 | 0.15-0.35 | 0.40-0.60 | 0.15-0.25 | 0.40-0.70 |
| ISO 683/11:1987 | 0.17-0.23 | 0.65-0.95 | ≤0.035 | ≤0.035 | 0.15-0.40 | 0.30-0.65 | 0.15-0.25 | 0.40-0.70 |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 530 MPa | 76900 psi |
| Yield strength | 385 MPa | 55800 psi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Izod Impact | 115 J | 84.8 ft.lb |
| Hardness, Brinell | 149 | 149 |
| Hardness, Knoop (converted from Brinell hardness) | 169 | 169 |
| Hardness, Rockwell B (converted from Brinell hardness) | 80 | 80 |
| Hardness, Vickers (converted from Brinell hardness) | 155 | 155 |
| Machinability (hot rolled and cold drawn, based on 100 machinability for AISI 1212 steel) | 65 | 65 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Yousef Steel provides AISI 8620 bars in various shapes, including **round, square, and flat**, available in **hot-rolled, forged, or precision-machined finishes**, tailored to meet customer specifications. All bars adhere to international standards such as **ASTM A322, SAE J404**, and come with **EN 10204 3.1/3.2 certifications**, **mill test reports**, and optional **third-party inspections (TPI)** to ensure compliance with rigorous project requirements.
| Country | USA | Germany/Saudi Arabia/France | JAPAN | ISO |
|---|---|---|---|---|
| Standard | ASTM A29/A29M-05 | EN 10084-2008 | JIS G4053-2008 | ISO 683/11:1987 |
| Grades | 8620 | 20NiCrMo2-2 (1.6523) | SNCM220 | 20NiCrMo2 |
AISI 8620 Bar is widely used in industries that require high strength, wear resistance, and excellent toughness. It finds a flawless application in the process of manufacturing camshafts, crankshafts, gear, and pinions due to the outstanding case-hardening properties it exhibits. Popularly used by the automotive industry, aerospace industries, and heavy machinery industries, it provides excellent durability in intensive applications. The steel’s capability to sustain core strength along with providing a hardened surface renders it ideal for use in fasteners, die-casting tooling, and machinery equipment. AISI 8620 finds its application in oil and gas in drill collars and valve components, as well, under conditions of high stress.
Yousef Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Riyadh, Saudi Arabia.
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