Special stamping techniques
What is ultra-deep drawing, and how long a part can be drawn?
Answer
Blog › Metal Stamping › Deep Draw Stamping Ultra-Deep Drawing for Long, Narrow Parts Published: July 19, 2026 Managing material flow, cracking, and precision when the draw length runs many times the component diameter. The challenge of an ultra-deep draw Deep drawing gets progressively tougher as the length-to-diameter ratio climbs. The material has to flow through multiple stations without tearing, excessive thinning, wrinkling, or losing straightness along the way. Balford builds multi-stage sequences for long, narrow components—including parts drawn from a round blank through fourteen successive operations.
Sources
- Ultra-Deep Drawing for Long, Narrow Parts | BalfordBlog › Metal Stamping › Deep Draw Stamping Ultra-Deep Drawing for Long, Narrow Parts Published: July 19, 2026 Managing material flow, cracking, and precision when the draw length runs many times the component diameter. The challenge of an ultra-deep draw Deep drawing gets progressively tougher as th...
- Solenoid Valve Housing: Why There Is No Weld SeamA: Balford draws up to 250 mm in diameter on presses from 25 t to 350 t. Depth is limited by the draw ratio rather than by the press: a first draw on mild steel such as DC04 normally stays within a limiting drawing ratio of about 2.0 to 2.2, so a deeper housing needs two or more draws with interstag...
- Solenoid Valve Housing: Why There Is No Weld SeamWhat is the maximum size of a deep drawn housing? Balford draws up to 250 mm in diameter on presses from 25 t to 350 t. Depth is limited by the draw ratio rather than by the press: a first draw on mild steel such as DC04 normally stays within a limiting drawing ratio of about 2.0 to 2.2, so a deeper...
- Drawn Sheet Metal & Deep Drawing: Complete Guide | Balfordqualifications we do not hold. 12. Frequently asked questions What is the difference between deep drawing and drawing? In sheet metal terminology, "drawing" is the general operation of pulling material into a die. "Deep drawing" specifically describes the case where the depth is large relative to th...
- Deep Drawn vs Progressive Stamping: Process Guide | BalfordWhich process is better for deep, cylindrical parts? Deep drawing is the right choice for deep, cylindrical parts. As a rule of thumb, if part depth exceeds about 1.5 times the diameter, a progressive die will struggle—the carrier strip restricts material flow, causing tearing and distortion. Deep d...
- Deep Drawn Solenoid Valve Housings | BalfordDesign Consideration: For magnetic circuits, material permeability (μ) is a key parameter. Low-carbon steel offers a good balance of cost and magnetic properties. If corrosion resistance is paramount, a material like 430F stainless steel provides a compromise. Design for Deep Drawing: Solenoid Housi...
What an engineer still needs from you
- material and material condition (grade, temper)
- material thickness, plus the key diameter, height and wall thickness
- tolerances, burr direction and the visual acceptance standard
- annual volume - it decides whether tooling is single-hit, progressive or transfer
- surface finish, and any secondary machining, annealing or plating
Need a DFM feasibility assessment for your project?
Send the engineering drawing (STEP or PDF) with the material grade, thickness and annual volume. Balford engineers then check it against the process window - draw ratio, wall thickness, tolerances, blank and tooling route - and come back with what is feasible and what is not. An answer on this page cannot replace that review.
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This page is an engineering answer, not a quotation and not a dimensional acceptance. It is generated from Balford's published material and held to the verified company fact sheet.