Esha Steel stands out as a top manufacturer and supplier of Alloy Steel AISI 8620 Bars in Kolkata, recognized for its commitment to delivering high-quality alloy steel products designed for exceptional performance. With state-of-the-art production facilities and a dedication to meeting international standards, Esha Steel offers AISI 8620 bars that boast impressive toughness, wear resistance, and durability. The company serves industries that rely on dependable carburizing steel for challenging applications, including automotive, machinery, and engineering sectors. Thanks to their precision manufacturing, rigorous quality checks, and prompt delivery, Esha Steel has earned a reputation as a trusted provider of Alloy Steel AISI 8620 Bars in both local and global markets.
The Alloy Steel AISI 8620 Bar is primarily made up of nickel, chromium, and molybdenum, which enhance its hardenability, strength, and toughness. When carburized, it provides excellent core strength along with a hard outer surface, making it perfect for components that need to be durable and wear-resistant. On a mechanical level, AISI 8620 showcases good tensile strength, impact resistance, and fatigue performance, even under continuous stress. Its well-balanced chemical composition guarantees reliable performance in both heat-treated and carburized conditions, making it an excellent choice for precision-engineered applications.
| 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.
Esha Steel is a trusted manufacturer and supplier of high-quality Alloy Steel AISI 4340 Bars in Kolkata India. We specialize in premium steel products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel, with a strong focus on AISI 4340 Bars. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings, Sheets, and Plates. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability, and performance for critical industrial applications. Contact us today for all your AISI 4340 Bar needs!
| Country | USA | Germany/India/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 |
Alloy Steel AISI 8620 Bar finds extensive use across various industries that require strong, durable, and wear-resistant components with a tough core and hard surface. In the automotive sector, it’s commonly used for gears, camshafts, crankshafts, and transmission components. Machinery manufacturers favor it for shafts, fasteners, and heavy-duty mechanical parts due to its outstanding machinability and case-hardening properties. Additionally, it’s utilized in industrial equipment, oil and gas tools, and agricultural machinery. Its ability to endure impact, fatigue, and heavy loads makes AISI 8620 a go-to material for precision parts and long-lasting engineering applications.
Esha 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 Kolkata India.
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