alloy steel

20MnCr5 vs SAE 8620: Choosing the Right Case Hardening Steel for Gears and Transmission Components

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20MnCr5 vs SAE 8620 | kesari alloys

20MnCr5 vs SAE 8620 The Practical Decision: Which Grade Wins? In the Indian automotive and industrial gear markets, the choice between 20MnCr5 and SAE 8620 often dictates the balance between manufacturing cost and component longevity. If you are producing standard transmission gears for passenger vehicles or light commercial trucks where cost-efficiency is paramount, 20MnCr5 is … Read more

Alloy Steel Rolled Bars in India: Sizes, Grades and Why Bars Rolled From Vacuum Degassed Billets Perform Better

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Alloy Steel Rolled Bars in India: Sizes, Grades and Why Bars Rolled From Vacuum Degassed Billets Perform Better

For machine shops and component manufacturers, the quality of a finished part is often determined by a choice made months earlier at the melt shop. While many suppliers offer Rolled Bars and Alloy Steel Round Bars, there is a significant performance gap between a generic bar and one engineered from a vacuum-degassed (VD) route. As … Read more

Ladle Refining Furnace (LRF) Technology: How It Elevates Alloy Steel Billet Purity Beyond Standard EIF Melting

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LRF steel billets, alloy steel billets India, sulphur in steel billets, continuous cast billets, billet manufacturer India

When a re-roller specifies alloy steel billets for bearing rings, or a forge shop orders billets for critical automotive transmission components, the purchase order chemistry column tells only part of the story. A billet reading 0.38–0.45% C, 0.80–1.10% Cr, and 0.15–0.25% Mo – squarely within an AISI 4140 specification – can be either a reliable … Read more

Billets vs Blooms: Understanding the Difference and Choosing the Right Semi-Finished Steel

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Billets vs Blooms: Understanding the Difference and Choosing the Right Semi-Finished Steel | Kesari Alloys

If you work in forging, ring rolling, re-rolling, or bar manufacturing, you deal with semi-finished steel products every day. But when a supplier asks whether you need billets or blooms, do you know exactly what differentiates the two — and which one your process actually requires? The terms are often used interchangeably in casual conversation, … Read more