Isis Metals stands out as a top-notch manufacturer and supplier located in Manila, Philippines, with a focus on high-performance Alloy Steel AISI 4145 Bars. Renowned for their outstanding quality and dependability, these bars are crafted from premium materials and cutting-edge metallurgical techniques. Alloy Steel AISI 4145 Bars are known for their remarkable toughness, impressive tensile strength, and excellent resistance to fatigue and wear. With rigorous quality control measures in place, Isis Metals ensures that its products meet international standards, making them perfect for demanding industrial applications in sectors like oil and gas, automotive, aerospace, and engineering, both locally and globally.
Alloy Steel AISI 4145 Bars are primarily made up of chromium (0.80–1.10%), molybdenum (0.15–0.25%), and manganese (0.75–1.00%), with a carbon content of around 0.43–0.50%. This specific blend gives the alloy exceptional hardenability, strength, and fatigue resistance. It boasts a tensile strength of about 950–1080 MPa, a yield strength of roughly 760 MPa, and an elongation of 15%. Even after heat treatment, AISI 4145 retains its toughness and impact strength, making it an excellent choice for heavy-duty mechanical and structural applications where high strength and wear resistance are essential.
| 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 high-stress industrial applications that demand superior strength and fatigue resistance. They’re commonly found in the production of drilling tools, drill collars, and various components within the oil and gas industry. In automotive and aerospace applications, they serve as crankshafts, shafts, gears, and connecting rods. Thanks to their excellent hardenability and wear resistance, they are also ideal for pressure vessels, heavy machinery parts, and power transmission components. AISI 4145 Bars are the go-to choice for applications that require durability, toughness, and reliable performance under extreme conditions.














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