Alloy Steel AISI 4130 Bar
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Looking for a reliable source of high-quality materials? Look no further! Based in Cape Town, South Africa, we are a top manufacturer and supplier specializing in Alloy Steel AISI 4130 Bar. This remarkable alloy is celebrated for its impressive strength, toughness, and resistance to corrosion, making it perfect for demanding industrial and engineering applications. Crafted with cutting-edge steelmaking techniques and rigorous quality control, our Alloy Steel AISI 4130 Bar promises dependable performance, precise dimensions, and a long lifespan. It’s the go-to choice for industries like automotive, aerospace, oil and gas, and construction, providing robust, high-performance solutions for components that face heavy loads, high stress, and extreme conditions.
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Alloy Steel AISI 4130 Bar
Alloy Steel AISI 4130 Hex Bar
Alloy Steel AISI 4130 Square Bar
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What is Alloy Steel AISI 4130 Bar?
What makes Alloy Steel AISI 4130 Bar stand out? It’s made from a blend of chromium, molybdenum, carbon, manganese, and silicon, resulting in a low-alloy steel that boasts excellent hardenability and mechanical strength. This bar showcases superior tensile and yield strength, along with good toughness and fatigue resistance. Plus, it can be heat-treated to achieve various hardness levels while still maintaining its ductility, making it versatile for a range of applications. Its mechanical properties allow it to endure high stress, impact, and wear, ensuring it remains structurally sound and performs reliably in tough industrial settings where durability is key.
Alloy Steel AISI 4130 Bar Specifications
Diameter : 8mm-3000mm
Length : 3,000-10,000mm
Finish : Bright, Polish & Black
Condition : Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
Form : Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.
Alloy Steel Bar Chemical Compositions
| Grade | C | Cr | Si | S | Mn | P | Mo | |
| AISI 4130 | min. | 0.28 | 0.8 | 0.15 | – | 0.4 | – | 0.15 |
| max. | 0.33 | 1.1 | 0.35 | 0.04 | 0.8 | 0.035 | 0.25 | |
Alloy Steel Bar Mechanical Properties
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min | Hardness |
| AISI 4130 | 930 | 12 | 735 | 229 |
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 4130 Bar Fittings in Cape Town, South Africa
Jaxon Steel is a trusted manufacturer and supplier of high-quality Alloy Steel AISI 4130 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 emphasis on AISI 4130 Bars. Our extensive inventory also features Pipes, Tubes, Flanges, Forged Fittings, Sheets, and Plates. Dedicated to fast delivery and exceptional customer service, we source only the finest raw materials to ensure superior strength, durability, and performance for critical industrial applications. Contact us today for all your AISI 4130 Bar requirements!
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Types of Alloy Steel AISI 4130 Bar






Alloy Steel AISI 4130 Bar Equivalent Grades
| STANDARD | UNS | WERKSTOFF NR. |
| AISI 4130 | G41300 | 1.7218 |
Alloy Steel AISI 4130 Flat Bars South Africa, Alloy Steel AISI 4130 Square Bars Exporter South Africa, UNS G41300 Round Bars Cape Town, AISI 4130 Alloy Steel Rectangular Bars Johannesburg, Alloy Steel AISI 4130 Bright Bars Gqeberha, Cr-Mo Alloy Steel 4130 Hex Bars Suppliers Leading Manufacturers in Mbombela, Alloy Steel AISI 4130 Bar Germiston.
Uses of Alloy Steel AISI 4130 Bar
Alloy Steel AISI 4130 Bar is widely used across industries that demand strong, durable, and trustworthy materials. You’ll find it in automotive components like gears, shafts, and crankshafts, as well as in aerospace structural parts, oil and gas pipelines, and pressure vessels. It’s also essential in construction machinery, tooling, and heavy equipment where high strength and toughness are non-negotiable. With its outstanding mechanical properties and heat-treatable nature, this bar is ideal for high-stress, fatigue-prone, and wear-intensive applications. Count on Alloy Steel AISI 4130 Bar for long-lasting performance, reduced maintenance, and optimal reliability in challenging industrial environments.
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