Ojas Pipes and Tubes, located in Kolkata, India, stands out as a leading manufacturer and supplier of Alloy Steel AISI 4145 Bars, providing high-performance alloy products specifically designed for heavy-duty industrial applications. Known for their durability and strength, AISI 4145 bars are crafted from top-quality raw materials and cutting-edge processes to meet international quality standards. These bars are perfect for sectors like oil & gas, mining, construction, and transportation. Ojas Pipes and Tubes guarantees a steady supply, customized dimensions, and timely delivery, making it a reliable choice for alloy steel solutions both locally and globally.
AISI 4145 Alloy Steel Bars generally consist of carbon (0.43–0.48%), chromium (0.75–1.20%), molybdenum (0.15–0.25%), manganese (0.65–0.90%), silicon (0.20–0.35%), along with trace amounts of sulfur and phosphorus. This alloy showcases impressive mechanical strength, with tensile strength ranging from 930–1080 MPa and yield strength exceeding 690 MPa when heat-treated. It also provides good hardness (Rockwell C up to 32), toughness, and fatigue resistance. These characteristics make AISI 4145 ideal for components that face high stress and impact, offering excellent hardenability and wear resistance.
| 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 the oil and gas sector for creating drill collars, tool joints, and subs, thanks to their exceptional strength and impact resistance. They are also utilized in heavy machinery, mining equipment, and construction tools like shafts, gears, and couplings. The bars’ ability to withstand high loads and cyclic conditions makes them a top choice for deep drilling operations and high-stress mechanical parts. Furthermore, they are well-suited for heat-treated components that demand superior toughness, making them essential in energy, transportation, and defense applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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