Aiman Metals stands out as a top-notch manufacturer and supplier based in Kuala Lumpur, Malaysia, specializing in high-quality Alloy Steel AISI 4145 Bars designed for heavy-duty engineering and industrial tasks. These bars are celebrated for their impressive strength, toughness, and outstanding hardenability, making them perfect for components that face extreme loads and stress. At Aiman Metals, we ensure that our bars are crafted with precise dimensions, a superior surface finish, and a strict commitment to international quality standards. Available in a variety of sizes, lengths, and heat-treated conditions, our AISI 4145 Bars are a trusted choice in industries like oil and gas, machinery, mining, and power generation, where reliable performance is crucial.
Alloy Steel AISI 4145 Bars are medium-carbon, low-alloy steels that contain about 0.43–0.48% carbon, 0.70–0.90% manganese, 0.80–1.10% chromium, 0.15–0.25% molybdenum, and trace amounts of silicon. This unique alloy composition provides excellent strength, wear resistance, and fatigue performance, along with good toughness even at higher hardness levels. Typically, their mechanical properties include a tensile strength ranging from 850 to 1000 MPa, a yield strength of around 655 MPa, and impressive impact resistance, making them ideal for demanding mechanical and structural applications.
| 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 |
These Alloy Steel AISI 4145 Bars are extensively utilized in oil and gas drilling tools, drill collars, and downhole equipment due to their remarkable fatigue strength. In heavy machinery, they find applications in shafts, gears, and connecting rods that endure extreme working conditions. Additionally, they are used in mining equipment, pressure vessels, and forged components that require both toughness and wear resistance. Thanks to their robust mechanical properties and versatility in heat treatment, AISI 4145 Bars promise a long service life and reliable performance in critical applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aiman Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kuala lumpur, Malaysia
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