KEMS Forgings Ltd. › Products › Open Die Forging
Open 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 Open Die Forging
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What to settle before you ask for a quote
General guidance from SourceLoka for open-die forging; it is not this company’s specification.
- Material and grade, with the standard it must meet.
- Finished weight and dimensions, and the machining allowance.
- Reduction ratio: how much the metal is worked, which decides grain refinement and properties.
- Heat treatment and the mechanical properties required.
- Testing: mechanical, hardness and ultrasonic testing, and any other tests.
- Traceability from ingot or billet to the finished forging, and the certificates provided.
What is an open-die forging, and when should you choose another type?
A heated billet or ingot is placed on a lower die and repeatedly pressed or hammered by an upper die while the operator moves and turns it, gradually forming the shape. The dies do not enclose the metal, so almost any size can be made, from small bars to very heavy shafts. The forged shape is then heat treated and machined, so open-die forgings leave more machining allowance than closed-die forgings.
Open-Die Forging or closed-die forging? Open-die forging needs little tooling and suits large, simple or low-volume parts, with wider tolerances and more machining. Closed-die forging gives near-finished shapes and close tolerances in volume but needs expensive dies.
Why choose open-die forging?
For large or heavy parts, low quantities or special sizes where closed-die tooling would not pay off. The work refines the grain and gives parts with better strength than cast ones.
What is a ring forging?
A ring made by punching a hole in a forged disc and expanding it on a ring-rolling machine or between dies. It is used for flanges, gear blanks and bearing races.
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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