Semih Metals, located in Istanbul, Turkey, has built a solid reputation as a reliable manufacturer and supplier of Alloy Steel AISI 4145 Bars, providing top-notch materials for demanding industrial applications. With years of experience in steel production, the company prides itself on precision engineering, consistent quality, and dependable performance. These Alloy Steel AISI 4145 Bars are crafted to endure high stress, heavy loads, and tough environments, making them perfect for industries like oil and gas, power generation, and engineering. Semih Metals is committed to ensuring customer satisfaction by offering bars that meet international standards, guaranteeing durability, strength, and reliability for various projects around the globe.
The composition of Alloy Steel AISI 4145 Bars includes carbon, chromium, manganese, molybdenum, and silicon, along with small amounts of phosphorus and sulfur. This well-balanced mix boosts hardenability, wear resistance, and toughness. The bars exhibit impressive tensile strength, impact resistance, and fatigue strength, making them ideal for high-stress settings. Their excellent machinability and toughness at both low and high temperatures make them a go-to choice in engineering and mechanical industries that demand strength and durability.
| 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 |
Thanks to their outstanding mechanical properties and toughness, Alloy Steel AISI 4145 Bars are widely used across various industries. In the oil and gas sector, they are essential for drill collars, tool joints, and downhole tools due to their strength and wear resistance. The automotive industry relies on them for gears, shafts, and heavy-duty components that need to withstand stress. Additionally, power generation and engineering sectors utilize these bars in turbines, fasteners, and structural components. Their ability to handle high loads, pressure, and fluctuating temperatures makes them a crucial material for vital industrial operations worldwide.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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