Neith Metals, located in Cairo, Egypt, stands out as a premier manufacturer and reliable supplier of top-notch Alloy Steel AISI 4145 Bars. With a strong focus on precision engineering and adherence to international standards, Neith Metals delivers sturdy and long-lasting alloy steel bars tailored to meet the rigorous demands of various industrial sectors. By utilizing cutting-edge manufacturing techniques and maintaining strict quality control, the company guarantees that every AISI 4145 bar aligns with client specifications and global standards. As a trusted name in Egypt’s metallurgical landscape, Neith Metals caters to the oil and gas, construction, and heavy machinery industries with exceptional alloy steel solutions crafted for both performance and durability.
Alloy Steel AISI 4145 Bars are low-alloy steels primarily made up of carbon (0.43–0.48%), manganese (0.75–1.00%), chromium (0.80–1.10%), molybdenum (0.15–0.25%), and silicon (0.15–0.35%). These components work together to boost hardness, toughness, and wear resistance. Typically, these bars exhibit mechanical properties such as a tensile strength ranging from 850 to 1000 MPa, a yield strength of about 650 MPa, and impressive impact resistance. AISI 4145 is recognized for its good machinability and hardenability, making it a great fit for demanding applications. After undergoing heat treatment, it showcases high strength and fatigue resistance, making it perfect for challenging service environments.
| 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 components capable of withstanding heavy stress and fatigue. They are particularly significant in the oil and gas sector for producing drill collars, tool joints, and various downhole tools, thanks to their strength and toughness. In the aerospace and automotive fields, these bars are utilized in gears, shafts, axles, and crankshafts. Their excellent hardenability also makes them ideal for heavy machinery, construction equipment, and marine applications. AISI 4145 is the go-to choice where outstanding wear resistance, high impact strength, and a long service life are crucial in tough operating conditions.






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