Manufacturing of seamless steel tube of Grade En-24 of size approx 32mm thick outside dia480mm and length 2500mm or its multiple
Source
- iDEX Challenges (opens in a new tab)DRISHTI ChallengesRound closed: 4 May 2026
Source summary
Establish Indian manufacture of large EN-24-grade seamless steel tube for subsequent forging, machining and heat treatment of aerial-bomb shells. The source says domestic unavailability and current import dependence are delaying forged-component development; sensitive dimensions are omitted here.