| Size Range | 10 mm to 200 mm |
|---|---|
| Length | 6000 mm |
| Standards | Astm, Asme, Din, Nf, Jis, En, Ios |
| Finished | Black, Bright, Cold Drawn, Polish, Polished, Centreless Ground |
4340 Alloy steel Round Bar Manufacturer in India
Nippon Alloys Inc is a 4340 Alloy Steel Round Bar Manufacturer.The company provides top-quality round bars made of nickel-chromium-molybdenum alloy steel. Our good quality bars are renowned all over the world in terms of their strength, toughness, high tensile strength, and fatigue resistance and are made to cope with extremely critical applications in the aerospace, automotive, oil & gas and power generation industries. They are heat treated by processes of quenching and tempering and meet the standards. They can withstand high temperature and stress and are thus applicable in crankshafts, gears, shafts and other heavy load component usage. Take a look at our Alloy Steel Round Bar, trusted by professionals across industries.
Our round bars made of 4340 alloy of steel are available on reputable B2B websites and provide reliable performance despite being highly durable, resistant against wear and enjoying easy machineability. More suited to bulk purchases, these bars have the advantage of being supported by logistics and quality assurance, so they can be used by OEMs and other industrial manufacturers. They have long-service life, excellent precision characteristics and have been designed to perform at the ever-increasing elevated level of high-performance, engineering-grade.
Type of Sub-products

Annealed 4340 Alloy Steel Round Bar Annealed 4340 Alloy Steel Round Bar
Softened for improved machinability, these bars are commonly used for parts that will undergo later heat treatment. Suitable for aerospace tooling and custom machined components.

Quenched & Tempered 4340 Round Bar Quenched & Tempered 4340 Round Bar
Heat treated for maximum strength and impact resistance, ideal for automotive, heavy equipment, and defense sector parts like shafts and gear blanks.
