Custom Deep Drawing Excellence: Heavy-Duty Shells & Containers by DS Metal

In the global industrial sector, sourcing high-precision deep-drawn stainless steel shells and containers requires a partner that balances massive hardware capacity with nuanced engineering expertise. At DS Metal, we operate from a 12,000-square-meter facility, providing a technical bridge for OEMs in Europe, North America, and Australia to realize complex metal designs.

1. Extreme Forming Capacity: 200 to 3,300 Tons

We specialize in large-scale and heavy-gauge deep drawing, utilizing a range of hydraulic presses from 200 to 3,300 tons. This allows us to process thick-walled materials and oversized components that standard stamping shops cannot handle.

Max Drawing Depth: 450 mm | Max Diameter: 1,700 mm | Max Thickness: 14 mm.

Geometry Versatility: Expertise in Round, Square, Rectangular, and complex Irregular shapes tailored to your specific spatial requirements.

Engineer’s Corner: Technical Design Tips

To ensure successful forming and minimize material failure, our engineering team recommends adhering to these proven deep-drawing guidelines:

Limit Draw Ratio (LDR): For optimal results, the LDR should stay within 2.1–2.3 for steel and 2.0–2.2 for aluminum.

The r-Value Factor: We prioritize materials with a normal anisotropy (r-value) > 1.5 to ensure superior resistance to thinning during high-reduction draws.

Corner Radii Strategy: To prevent cracking, the minimum punch corner radius should be 4–8 times the material thickness.

Wall Variation: Anticipate a wall thickness variation of ±10–20% due to work hardening; we recommend specifying critical zones in your drawings for targeted DFM analysis.

2. Technical Evaluation & Laser Mapping Support

We don’t just take orders; we ensure manufacturability. Our engineering team provides a high-level technical assessment through multiple channels:

Drawing Analysis: We support full technical evaluations of 3D models (STEP, IGS) and detailed PDF blueprints.

Reverse Engineering: If a drawing is unavailable, we support Laser Mapping and 3D Scanning upon receiving your physical sample to create high-precision digital models.

Honest Advice: Based on dimensions, tolerances, materials, and surface finishes, we provide honest and professional recommendations regarding the actual application and potential cost-optimization of your project.

3. Comprehensive Secondary Processing (Integrated TCO Reduction)

To reduce your Total Cost of Ownership (TCO), we integrate the entire production cycle under one roof. Our secondary operations ensure your components are delivered “ready-to-assemble”:

Precision Trimming: 5-Axis 3D Laser Cutting (±0.1 mm tolerance) – eliminating the need for expensive secondary trimming dies.

Machining & Forming: CNC Machining, Precision Bending, and Punching.

Joining & Finishing: Robotic MIG/TIG Welding and precise assembly.

Advanced Surface Treatment: Electropolishing (Satin Matte), Sandblasting, Powder Coating, and Passivation to meet international hygiene and corrosion standards.

4. Core Service Sectors & High-Value Components

Our deep-drawn solutions serve 8 critical industrial pillars:

Energy & Environment: Power battery pack enclosures, data center cooling shells, and professional lighting housings.

Automotive & Transport: Fuel tanks, heavy-duty pulley housings, and precision bumper reinforcements.

Industrial Equipment: High-pressure pump shells, instrumentation enclosures, and protective covers.

Medical & Food: Large-scale sterilization chambers, integrated sinks, mixing tubs, and sanitary beer kegs.

Home Appliances: Seamless washing machine drums, refrigerator liners/panels, and dishwasher tubs.

Agriculture: Heavy-duty machinery housings, tractor body panels, mower decks, and livestock feeding troughs.

Railway & Tunnels: Structural brackets, rail car body components, ventilation housings, and electrical system enclosures.

Mining: Heavy-duty drill heads, battery enclosures for underground equipment, and conveyor rollers/housings.

5. Quality Assurance: From Prototype to Mass Production

No Minimum Order Quantity (MOQ): Supporting your journey from the first prototype to large-scale batches.

Rigorous Inspection: Every batch undergoes strict quality checks to ensure high yield and minimal defects.

Ready to Scale Your Production? Contact our sales and engineering team today to request discounted samples or get a competitive quote for bulk orders. We support full OEM customization from prototype to mass production. 12-hour response guaranteed. Get My Bulk Quote & Sample Today