Alloy Steel AISI 8620 Bar
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Thabiso Steel stands out as a premier manufacturer and supplier of top-notch alloy steel products, proudly based in Cape Town, South Africa. With a keen emphasis on precision, durability, and keeping customers happy, Thabiso Steel specializes in Alloy Steel AISI 8620 Bars, catering to a diverse array of industries. Renowned for their metallurgical expertise and dependable supply chains, they provide steel bars that comply with both local and international standards. Whether it’s for automotive, engineering, or industrial uses, Thabiso Steel guarantees high-quality materials customized to your needs. Their dedication to excellence has established them as a reliable partner in the South African steel market and beyond.
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Alloy Steel AISI 8620 Bar
Alloy Steel AISI 8620 Hex Bar
Alloy Steel AISI 8620 Square Bar
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What is Alloy Steel AISI 8620 Bar?
Alloy Steel AISI 8620 is a low-alloy steel that features nickel (0.40–0.70%), chromium (0.40–0.60%), and molybdenum (0.15–0.25%) as its main alloying elements. With a carbon content of about 0.18–0.23%, it’s perfect for carburizing and case hardening. This steel offers a robust core and a hard surface, making it ideal for components that need to resist wear. Its mechanical properties include a tensile strength of roughly 860 MPa, yield strength of 580 MPa, and impressive toughness. Plus, it boasts good machinability and weldability, especially after undergoing heat treatment processes like carburizing and quenching.
Alloy Steel AISI 8620 Bar Specifications
| 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 | |||||||||||||||||
Alloy Steel AISI 8620 Bar Chemical Compositions
| 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 |
Alloy Steel AISI 8620 Bar Mechanical Properties
| 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 |
If You Are Looking To Buy High Quality
Pipes, Sheet, Fittings and Flanges
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Top Manufacturer and Supplier of Alloy Steel AISI 8620 Bar Fittings in Cape Town, South Africa
Jaxon Steel is a trusted manufacturer and supplier of high-quality Alloy Steel AISI 4340 Bars in Cape Town, South Africa. 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!
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Types of Alloy Steel AISI 8620 Bar






Alloy Steel AISI 8620 Bar Equivalent Chart
| Country | USA | Germany/South Africa/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 Flat Bars South Africa, UNS G41450 Round Bars South Africa, Cr-Mo Alloy Steel 8620 Hex Bars Cape Town, AISI 8620 Alloy Steel Rectangular Bars Johannesburg, Alloy Steel AISI 8620 Bright Bars Gqeberha, Alloy Steel AISI 8620 Square Bars Exporter Suppliers Leading Manufacturers in Mbombela, WERKSTOFF NR.1.7225 Round Bars Manufacturers in Germiston, AISI 8620 Alloy Steel Round Bars Supplier in Cape Town, South Africa.
Uses of Alloy Steel AISI 8620 Bar
Alloy Steel AISI 8620 Bars find extensive use in industries that require components with a tough core and high surface hardness. Common applications include automotive parts such as gears, crankshafts, camshafts, and drive shafts, where wear resistance and fatigue strength are essential. In the engineering and manufacturing fields, it’s utilized for bushings, pins, and high-load bearings. Its capacity to be carburized makes it perfect for parts that face surface wear while still maintaining internal ductility. Thanks to its remarkable balance of strength, toughness, and machinability, AISI 8620 is a go-to material for demanding mechanical components in both light and heavy-duty equipment.
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