4140 Alloy Steel Round Bar
Versatile chromium moly bar for oilfield, automotive, and tooling use.
Minimum Order : 50 bar
Customization as per requiments
Size Range | 10 mm to 350 mm |
Length | 1-6meter |
Standards | Astm, Asme, Din, Nf, Jis, En |
Finished | Black, Bright, Cold Drawn, Centreless Ground |
Sagar Steel Corporation is a reputed company of the Alloy Steel Round Bar Manufacturer, providing high-performance bars that are made to serve strength, wear off, and last long. We use chromium-molybdenum, nickel, vanadium, and manganese as quality elements that enable us to create toughness, hardness, and reliability in our alloy steel bars. These bars have a large application in the high-enduring industries in power plants, refineries, oilfield equipment, shafts, gears, and forged components. We also supply Molybdenum Round Bars to satisfy other industrial demands.
We produce alloy steel round bars which meet the international standards like ASTM A182, A335, and A479, which include the grades like EN19, EN24, 4140, and 4340. We have designed it to suit B2B industrial usage where customers include OEMs, EPC contractors, and heavy engineering companies that require the option of custom lengths, heat treatment, precision machining, and surface finishes. We have strong logistics and quality management that guarantee timely and regular supply to the petrochemical, toolmaking, construction, and automotive industries.
Versatile chromium moly bar for oilfield, automotive, and tooling use.
High-tensile strength bar used in shafts, gears, and spindles.
What are the advantages of using alloy steel round bars in heavy-duty applications?
Alloy steel round bars are engineered for high strength, fatigue resistance, and durability under heat and pressure. With alloying elements like chromium, molybdenum, and nickel, these bars exhibit enhanced hardenability, wear resistance, and tensile strength. Their performance under extreme temperatures makes them ideal for power generation, heavy machinery, automotive transmission, and oilfield drilling components.
Which grades of Alloy Steel Round Bars are most commonly used, and what are their applications?
Common grades include EN19 (also known as 4140), EN24 (4340), and A182 F11/F22. EN19 is popular for shafts, bolts, and gears due to its excellent tensile strength and machinability. EN24 offers higher toughness and is used for aircraft components and heavy-duty gears. A182 grades are used for flanges and fittings in high-temperature service. These grades are selected based on the specific strength, heat resistance, and wear properties required by industries like oil & gas, tool-making, and heavy fabrication.
What is the material grade of round bar?
Round bars are available in various material grades depending on their intended application and required properties. Common materials include carbon steel, stainless steel, and alloy steel. Examples include ASTM A36, 1045, 304, 316, and 4140.
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