Impression Die Forging
- Also known as Closed-Die Forging
- Two Impression Dies
- Complex Designs May Require Multiple Sets of Dies
- Pre-Cut Blank
- 3D Shapes
- Cold or Hot Forged
- Size Range: Ounces to 60,000 lbs
- Machinery
- Hydraulic Press
- Mechanical Press
- Hammers
- Materials
- Carbon Steel
- Alloy steels
- Tool steels
- Stainless Steel
- Aluminum
- Copper Alloys
- Titanium Alloys
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Cold Forging
- Size Range: Less Than 10 lbs
- Processes
- Bending
- Cold Drawing
- Cold Heading (Forming)
- Coining
- Extrusion
- Punching
- Thread rolling
- Materials
- Low-Alloy
- Carbon Steels
- 300 and 400 Series Stainless
- Aluminum Alloys
- Brass
- Bronze
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Open Die Forging
- Size Range: 1 Pound to 150 Tons (Limited only by the ingot blank)
- Most Materials
- Flat Faced Dies
- Process
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Seamless Rolled Ring
- Size Range: Less than 1 Pound up to 350,000 pounds
- Materials:
- Carbon Steel
- Alloy Steels
- Aluminum
- Copper
- Titanium
- Wall/Height Ratio: 1:16 – 16:1
- Simple to Complex Functional Cross Sections
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