Alloy Steel AISI 8620 Bars are incredibly versatile low-alloy steel bars that find their place in various engineering and industrial applications where high strength, toughness, and excellent hardenability are a must. Crafted from a nickel-chromium-molybdenum alloy, these bars undergo precise forging and rolling processes to guarantee uniform dimensions, a superior surface finish, and consistent mechanical properties. Meeting international standards, AISI 8620 Bars are perfect for critical components in industries like automotive, aerospace, heavy machinery, and power generation, where durability, fatigue resistance, and reliability are key.
Chetak Steel is one of the leading producers and providers of premium-quality alloy steel material in Hyderabad, India. We are involved in Alloy Steel AISI 8620 Bars, which enjoy excellent strength, wear resistance, and case hardening properties. We are focused on precision engineering and high-grade materials and support numerous industries like automotive, aerospace, and heavy machinery. Our AISI 8620 bars are well-produced to meet industry specifications, aimed at lasting performance and durability. Quality, dependability, and customer satisfaction are highly valued at Chetak Steel, and this results in making us a dependable brand in the steel industry.
| 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.
The chemical makeup of AISI 8620 Bars includes carbon, nickel, chromium, molybdenum, and manganese. This blend offers outstanding tensile strength, toughness, and hardenability while also ensuring good weldability. On the mechanical side, AISI 8620 Bars showcase high tensile and yield strength, decent ductility, fatigue resistance, and impact toughness. Heat treatment processes such as carburizing, quenching, and tempering further boost surface hardness and core toughness, making them ideal for components that face heavy loads and cyclic stresses.
| 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 |
You’ll often find AISI 8620 Bars in the manufacturing of gears, shafts, pinions, crankshafts, and other high-stress industrial components. They’re particularly well-suited for automotive drive components, aerospace parts, heavy machinery, and structural applications where a mix of surface hardness, core toughness, and long service life is crucial. Their versatility, strength, and reliability make them a go-to choice for demanding engineering tasks.
Chetak 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 Hyderabad, India.
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