Closed-Die Forging vs Open-Die Forging: Steel Grade Selection, Ingot Requirements, and Defect Prevention

Closed-Die Forging vs Open-Die Forging: Steel Grade Selection, Ingot Requirements, and Defect Prevention | Kesari Alloys

Forging is not a single process. The term covers a wide family of deformation operations – each with its own tooling, process parameters, starting material requirements, and failure modes. Of this family, two processes dominate industrial forging worldwide: open-die forging and closed-die forging. They differ fundamentally in how they shape metal, what starting material they … Read more

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

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