Sadiki Metals, located in Kinshasa, Congo, stands out as a top manufacturer and supplier of high-quality metal products, with a special focus on Alloy Steel AISI 4145 Bars. Known for their dedication to excellence, Sadiki Metals provides durable and precisely crafted steel solutions that cater to a wide range of industrial needs. With cutting-edge production facilities and rigorous quality control measures, the company guarantees that each AISI 4145 bar meets international standards for performance and reliability. They serve various industries, from automotive to construction and heavy machinery, blending technical know-how with local insights to deliver superior steel products tailored to their clients’ unique requirements.
Alloy Steel AISI 4145 Bars are primarily made up of carbon (0.43–0.48%), chromium (0.80–1.10%), manganese (0.75–1.00%), and molybdenum (0.15–0.25%), creating a well-balanced combination of hardness, strength, and toughness. These bars boast impressive mechanical properties, featuring a tensile strength of around 655–860 MPa, yield strength of 415–620 MPa, and an elongation of 20–25%. Heat treatment boosts hardness to between 248–302 HB while ensuring good wear resistance and fatigue strength, making AISI 4145 bars perfect for demanding industrial applications where durability and high performance are crucial.
| Dimensions: | ASTM, ASME, DIN, BS, EN, IS, AMS, JIS, IBR & Other International Standards. |
|---|---|
| Standard: | ASTM A689, JIS G4801, DIN 17221, GB/T 18254, ASTM A295, JIS G4805, etc. |
| Alloy Steel AISI 4145 Round Bars Range: | Range – 3.17mm to 350mm dia |
| Alloy Steel AISI 4145 Round Bars Diameter: | 5mm-500mm (Customized size is acceptable) |
| Alloy Steel AISI 4145 Round Bars Length: | 1m-9m or according to the customer’s requirement |
| Type: | Round bar, rod, square bar, flat bar, hexagon bar, angle bar, channel bar, threaded bar |
| Alloy Steel AISI 4145 Round Bars Technique: | Forged/Hot Rolled/Cold Drawn/Peeled |
| Alloy Steel AISI 4145 Round Bars Surface: | bright round bar, pickled round bar, black round bar |
| Package Details: | Standard seaworthy package(wooden boxes package,pvc package, or other package) |
| Export Area: | USA, UAE, Europe, Asia, Middle East, Africa, South America |
| Grade | AISI 4145 | |
|---|---|---|
| Min. | Max | |
| C | 0.43 | 0.49 |
| Cr | 0.80 | 1.10 |
| Si | 0.15 | 0.35 |
| S | – | 0.040 |
| Mn | 0.85 | 1.10 |
| P | – | 0.035 |
| Mo | 0.15 | 0.25 |
| Grade: | AISI 4145 |
|---|---|
| Tensile Strength (ksi) min : | 140 |
| Elongation (% in 50mm) min: | 14 |
| Yield Strength 0.2% Proof (ksi) min: | 120 |
| Hardness: | – |
AISI 4145 Bars and Rods offer high strength, toughness, and wear resistance, making them ideal for heavy-duty applications.
Yes, they can be heat treated to enhance hardness, strength, and overall performance.
These bars and rods are commonly used in the automotive, oil and gas, and heavy machinery industries for parts like gears, shafts, and axles.
| Standard: | AISI 4145 |
|---|---|
| WERKSTOFF NR. | – |
| UNS | G41450 |
Alloy Steel AISI 4145 Bars find extensive use in industries that require high strength, toughness, and wear resistance. They are commonly used in automotive components like shafts, gears, and crankshafts, as well as in heavy machinery parts, industrial equipment, and oilfield tools. Their outstanding fatigue resistance and hardenability make them ideal for components that face high stress and cyclic loading. Furthermore, these bars are utilized in construction and manufacturing for structural parts, pressure vessels, and forging applications. The versatility of AISI 4145, combined with the precision engineering from manufacturers like Sadiki Metals, ensures that clients receive top-notch products tailored to their needs.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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