Services / Die-Forging
Die-Forging Services
Open-die and closed-die forging for high-strength components in carbon steel, alloy steel, and stainless steel. Forged parts deliver superior mechanical properties through controlled grain flow and material density.
Overview
Strength Through Forging
Forging produces components with superior mechanical properties compared to casting or machining from bar stock. The controlled deformation of heated metal aligns the grain structure along the part’s stress lines, resulting in higher fatigue resistance, impact toughness, and overall structural integrity.
MegaMETA manages die-forging projects from die design through post-forging machining, working with specialized forging partners to deliver finished components ready for assembly. We handle the complete supply chain so you receive a single-source solution.
Forging Dies
Forging Methods
Open-Die and Closed-Die Forging
Free Forging
Open-Die Forging
Metal is shaped between flat or simple contoured dies without being fully enclosed. Suited to larger parts, shorter production runs, and simpler geometries. Weights from 10 kg to 3,000+ kg with excellent grain refinement throughout.
Impression Die
Closed-Die Forging
Metal is forced into a die cavity that contains the part shape. Produces near-net-shape forgings with tighter tolerances, reducing post-forging machining requirements. Weights from 0.5 kg to 500 kg, ideal for medium to high volumes.
3,000+
kg Max Weight
2
Forging Methods
100%
Inspected
12+
Years Experience
Materials
Forgeable Steel Grades
| Material Category | Common Grades | Typical Use |
|---|---|---|
| Carbon Steel | C45, C60, S355J2 | General engineering, shafts |
| Alloy Steel | 42CrMo4, 34CrNiMo6, 30CrNiMo8 | High-strength components |
| Stainless Steel | AISI 304, 316, 410, 17-4PH | Corrosion resistance |
| Tool Steel | H13, D2, W1 | Tooling, dies, punches |
Material Range
Why Forging
Advantages of Forged Components
Directional Grain Flow
Forging aligns the metal grain structure along the contour of the part, following the stress lines in service. This orientation maximizes fatigue life and impact resistance.
Superior Strength
The compressive forces of forging eliminate internal voids and porosity, producing a fully dense structure with 20-30% higher tensile and yield strength compared to equivalent castings.
Structural Integrity
Unlike castings, forgings are free from shrinkage cavities, gas porosity, and inclusions. This makes forged components the preferred choice for safety-critical applications.
Fatigue Resistance
The refined grain structure and absence of internal defects give forged components significantly higher fatigue life, critical for cyclically loaded parts like crankshafts and gears.
Material Efficiency
Closed-die forging produces near-net-shape parts, minimizing material waste compared to machining from solid stock. Less material removal means lower machining costs.
Heat Treatment Response
The uniform microstructure of forgings responds consistently to heat treatment, producing predictable and uniform hardness and mechanical properties throughout the part.
Heat Treatment
Post-Forging Treatment
Heat Treatment & Finishing
Forged components undergo heat treatment to achieve the specified mechanical properties. We coordinate all post-forging processes to deliver parts ready for final use or assembly.
- Normalizing — Refines grain structure after forging, improves uniformity
- Quenching and Tempering — Achieves high strength and toughness combinations
- Annealing — Softens material for improved machinability before final machining
- Case Hardening — Hard wear-resistant surface with tough core for gears and shafts
- Stress Relieving — Removes residual stresses from forging and machining
Quality & Inspection
Verified at Every Stage
Every forging is inspected for dimensional accuracy, material properties, and internal soundness. We provide comprehensive documentation including material certificates, heat treatment records, and inspection reports.
- Ultrasonic testing (UT) for internal soundness verification
- Magnetic particle testing (MT) for surface defect detection
- Hardness testing at multiple locations per specification
- Mechanical testing (tensile, impact, yield) per EN standards
- Material certificates (EN 10204 3.1) with full chemical analysis
- CMM dimensional inspection of all machined features
Full Traceability
Process
Forging Production Workflow
1
Technical Review & Die Design
We review your part drawing, select the optimal forging method, and design the forging dies. Simulation may be used to verify material flow and identify potential defects.
2
Die Manufacturing
Forging dies are manufactured from tool steel, heat treated, and precision machined. Die life is estimated and communicated as part of the project planning.
3
Forging
Billets are heated to forging temperature and formed in the dies under controlled pressure. Process parameters are monitored to ensure consistent part quality.
4
Heat Treatment
Forgings undergo the specified heat treatment cycle to achieve target mechanical properties. Treatment records are maintained for full traceability.
5
Post-Forging Machining
Forgings are machined through our CNC machining partners to achieve final dimensions, tolerances, and surface finishes on critical features.
6
Inspection & Delivery
Complete inspection including NDT, hardness, dimensions, and material verification. Parts are shipped with full documentation including certificates and test reports.
Start Your Project
Request a Die-Forging Quote
Send us your part drawing with material and quantity requirements. We will recommend the optimal forging method and provide a quotation covering die tooling, forging, heat treatment, and machining.