Casting / Casting vs Forging
When to Specify a Casting
Should the part be cast or forged? The answer comes from four inputs: geometry complexity, required mechanical properties, production volume and lead time. Monmet supplies both, and this guide walks through the trade-offs so you can specify with confidence.
Geometry
Casting wins for complex internal cavities, undercuts and large free-form shapes. Forging wins for simple, axisymmetric or near-axisymmetric profiles that can be shaped between dies.
Mechanical Properties
Forging produces a wrought grain flow aligned with part geometry, giving better fatigue strength and toughness than the equivalent casting. For dynamic and impact loads, forgings are preferred.
Cost & Volume
Castings need only a pattern, so tooling cost is low and one-offs are practical. Forgings need dies, which cost more up front but can lower the per-part cost when the same part repeats.
Lead Time
A first-article forging normally takes longer than a first-article casting because dies have to be cut. For an unplanned outage, casting is usually the faster route. Actual lead times are quoted per project.
Frequently Asked Questions
Related Casting Capabilities
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