KEMS Forgings Ltd. › Products › Closed Die Forging
Closed Die Forging
by KEMS Forgings Ltd. Chennai
The name of this product is taken from the company’s own website, checked November 2026. The company has not published its specifications here yet, so ask it for the exact model, capacity and price.
Ask KEMS Forgings Ltd. about Closed Die Forging
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What to settle before you ask for a quote
General guidance from SourceLoka for closed-die forging; it is not this company’s specification.
- Material and grade, with the standard it must meet.
- Part weight and dimensions, and the tolerance and machining allowance.
- Annual volume, which decides the economics of the dies.
- Heat treatment and the mechanical properties required.
- Testing: hardness, mechanical tests and non-destructive testing where needed.
- Die ownership, die life and traceability from billet to part.
What is a closed-die forging, and when should you choose another type?
A billet is heated and placed in the lower die, and a hammer or press forces the upper die down so the metal flows to fill the cavity, with surplus escaping as flash that is later trimmed. The grain of the metal follows the shape of the part, which improves strength and fatigue resistance. Parts are then heat-treated, machined where needed and inspected, and the process is used for crankshafts, connecting rods, gears, flanges and many other components.
Closed-Die Forging or open-die forging? Closed-die forging gives closer tolerances and a near-finished shape in volume, but the dies are costly, so it suits repeat parts. Open-die forging shapes the metal between simple dies, which suits large, simple or low-volume parts without special tooling.
Why are forged parts stronger than cast ones?
Forging refines the grain and makes it follow the shape of the part, which improves strength and fatigue resistance. Castings can have internal porosity and a random grain structure.
What is flash in forging?
Flash is the thin excess metal that squeezes out between the dies. It is trimmed off after forging, and the way it is handled affects material use and cost.
More from KEMS Forgings Ltd.
Before you order
- We have not independently verified this company. A complete profile is not a certification. How we list companies
- Company website reviewed November 2026: 5 pages, used for materials, processes, certifications, industries served, year established, products, identity numbers, plant and documents, the summary.
- For Investment & Precision Castings, confirm: Alloy grades offered, tolerance class (such as CT5 to CT7), maximum weight, in-house tooling and machining, and NDT and material-test reports.
- The listed address may be a registered office rather than the factory. Ask which site would make your part.
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