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Flexibility Of Forgings Give Your Components Improved Properties

When you combine our mastery of forging with the knowledge of our technically trained sales team and degreed metallurgists, with the expertise of our forge engineers and heat treat and machining operators, you get a superior forging that will withstand the toughest demands

Part integrity

1. Directional strength

By mechanically deforming the heated metal under tightly controlled conditions, forging produces predictable and uniform grain size and flow characteristics. Forging stock is also typically preworked to refine the dendritic structure of the ingot and remove porosity. These qualities translate into superior metallurgical and mechanical qualities, and deliver increased directional toughness in the final part.

2. Structural strength

Part integrityForging also provides a degree of structural integrity that is unmatched by other metalworking processes. Forging eliminates internal voids and gas pockets that can weaken metal parts. By dispersing segregation of alloys or nonmetallics, forging provides superior chemical uniformity. Predictable structural integrity reduces part inspection requirements, simplifies heat treating and machining, and ensures optimum part performance under field-load conditions.

3. Impact strength

Parts can also be forged to meet virtually any stress, load or impact requirement. Proper orientation of grain flow assures maximum impact strength and fatigue resistance. The high-strength properties of the forging process can be used to reduce sectional thickness and overall weight without compromising final part integrity.

Grain flow comparison

Forged bar

Directional alignment Grain flow is oriented to improve ductility, toughness, and increase fatigue resistance.

Machined bar

Unidirectional grain flow has been cutUni-directional grain flow has been cut when changing contour, exposing grain ends. This renders the material more liable to fatigue and more sensitive to stress corrosion cracking.

Cast bar

No grain flow or directional strength Cast bars typically do not have a desired grain structure.

Part flexibility

1. Variety of sizes

Limited only to the largest ingot that can be cast, open die forged part weights can run from a single pound to over 400,000 pounds. In addition to commonly purchased open die parts, forgings are often specified for their soundness in place of rolled bars or castings, or for those parts that are too large to produce by any other metalworking method.

2. Variety of shapes

Shape design is just as versatileShape design is just as versatile, ranging from simple bar, shaft and ring configurations to specialized shapes. These include multiple O.D./I.D. hollows, single and double hubs that approach closed die configurations, and unique, custom shapes produced by combining forging with secondary processes such as torch cutting, sawing and machining. Shape designs are often limited only by the creative skills and imagination of the forging supplier.

3. Metallurgical spectrum

Metallurgical properties can be greatly varied through alloy selection, part configuration, thermal mechanical working and post-forming processes.

4. Quantity and prototype options

Virtually all open die and rolled ring forgings are custom-made one at a time, providing the option to purchase one, a dozen or hundreds of parts as needed. An added benefit is the ability to offer open die prototypes in single-piece or low-volume quantities. No better way exists to test initial closed die forging designs, because open die forging imparts similar grain flow orientation, deformation and other beneficial characteristics. In addition, the high costs and long lead times associated with closed die tooling and setups are eliminated.

Go to next section: The open die forging process

Scot Forge Difference

At Scot Forge, we know the importance of getting your parts on time, as expected. However, for customers new to procuring forgings, ordering a forging that will meet all specifications for end-use applications may be challenging, so finding a trusted supplier and partner is essential. Our employee-owners are here to ensure your project stays on track with our forgings by offering:

Pro Tip - Did you know near-net shapes can save you time and money? Oftentimes, a customer calls to order a disc, which they will later machine down to a more shaped part. By working with our technically trained sales team, you can get your finished product shape as close as possible to optimize your production process. 

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