| Size Range | 10 mm to 300 mm |
|---|---|
| Length | 1–6 M |
| Standards | Astm, Asme, Din, Nf, Jis, En, Ios |
| Finished | Black, Bright, Cold Drawn, Polish, Polished, Centreless Ground |
Steel Alloy 4340 Round Bar
Nova Steel Corporation can be relied on to provide high-performance alloy steel products, and their Steel Alloy 4340 Round Bar solutions can be used in arduous industrial applications. Steel Alloy 4340 is a nickel-chromium-molybdenum alloy steel that is famously tough, high tensile, and a deep hard alloy. These round bars are popular in parts with high stress and shock and cyclic deformation (shafts, gears, crankshafts, and heavy-duty fasteners). This material also has high mechanical properties and therefore is also strong in large cross sections; hence, it is used in critical mechanical and structural components. Quality control and metallurgical consistency are important factors in performable reliability as a Steel Alloy 4340 Round Bar Manufacturer.
This alloy is also able to react to the heat treatment procedures such as quenching and tempering due to its controlled chemical composition that adds more performance properties to the alloy. Being an Alloy Steel Round Bar, 4340 presents the best balance between strength and ductility so that it will not be prone to fatigue and wear in the harsh operating conditions. Aerospace, oil and gas, defence, and heavy engineering applications of this grade are the industries which demand reliability and long service life, and material failure is not an option, so consistency in quality is a requirement.
Steel Alloy 4340 round bars in the B2B industry are assessed in terms of dimensional accuracy, surface finish and international standards. These bars can be normalised, annealed, quenched and tempered so as to suit the varying engineering needs. Their versatility in the industries they are used in, coupled with high machinability in the annealed state makes them an ideal choice when manufacturers want to streamline their performance without interfering with the safety or durability.
Steel Alloy 4340 Round Bar – Weight Chart
| Diameter (mm) | Weight per Meter (kg) |
|---|---|
| 10 | 0.62 |
| 12 | 0.89 |
| 16 | 1.58 |
| 20 | 2.47 |
| 25 | 3.85 |
| 30 | 5.55 |
| 40 | 9.86 |
| 50 | 15.42 |
| 60 | 22.21 |
| 75 | 34.70 |
| 100 | 61.65 |
Type of Sub-products
Annealed 4340 Bar Annealed 4340 Bar
Softened through annealing to improve machinability and cold workability. Used in pre machining for aerospace and tooling industries.
Quenched Tempered Bar Quenched Tempered Bar
Undergoes heat treatment for high strength and fatigue resistance. Ideal for crankshafts, drive shafts, and high load machine parts.