A curved component can start as flat plate or as an existing steel section. That distinction changes what the workshop needs to assess. Before requesting a quote, describe the starting material and the finished shape together, rather than sending a radius on its own.
This guide helps buyers prepare an enquiry for plate rolling or section rolling. It is a planning checklist, not a statement that a particular size, material or geometry can be manufactured. The workshop must assess the actual component.
Start with the material’s cross-section
Plate rolling starts with flat plate and forms it into a curved shape, such as an arc or cylinder. An enquiry should identify the plate thickness, width and material specification, together with the finished geometry.
Section rolling starts with a profile, such as a beam, channel, angle or tube. Describe the full section designation or provide a dimensioned cross-section. Two profiles with similar overall dimensions can still have different wall or flange details, so an outside measurement alone may leave important questions unanswered.
If you are unsure which process to request, send the drawing and explain the component’s purpose. The aim is to give the team enough information to assess the job, rather than choosing a process from a product name alone.
Define where the radius is measured
A drawing should make clear whether its radius or diameter refers to an inside surface, outside surface or another stated reference. Include units and identify the finished dimensions that matter to the assembly. A marked-up sketch can explain the reference, but it should not replace the current controlled drawing where one exists.
For an open arc, show how much of the curve is needed and how the ends relate to the assembly. For a closed shape, explain any required joint or seam arrangement. Avoid relying on a photograph to communicate dimensions: it can show the intended appearance, but cannot establish an accurate radius.
Show the rolling direction and section orientation
For a section, show which way the profile faces through the curve. A simple end view and a view of the curved component can remove ambiguity about flange, leg or opening direction. Label any orientation that must be maintained relative to adjoining parts.
For plate, show the intended curved direction in relation to the plate dimensions. Mark features such as holes, cut-outs or edges that need to align with other components. Ask the workshop to review how those features fit into the manufacturing sequence; do not assume that every feature should be completed before rolling.
Explain what happens after forming
A rolled component may need cutting, welding or other work before it can be used. List the operations you want included in the quote and identify any work being supplied by another business. TubeTech’s service pages describe coordination between rolling, cutting and fabrication at its Campbellfield workshop; the scope for an individual job still needs confirmation.
Include the intended connections, mating components and any critical interfaces. If the part belongs to a larger assembly, provide enough context to explain those interfaces without leaving the workshop to infer missing requirements. Design responsibility and acceptance criteria should be clear before manufacture is agreed.
Provide quantities, material responsibility and timing
State the quantity for each part number and whether the enquiry is for a one-off job or possible repeat orders. If you will supply the material, identify its specification and the form in which it will arrive. If material supply is required, include that in the requested scope.
Give your required date and explain any dependency on other work. Treat the date as a requirement for review, rather than assuming availability or a confirmed lead time. If there are alternatives the workshop may consider, distinguish them from fixed design requirements.
A practical rolling-enquiry checklist
- Current drawing revision, units and part references.
- Plate dimensions or a fully identified section, plus material specification.
- Finished radius or diameter and its measurement reference.
- Arc extent, end details, orientation and critical interfaces.
- Required tolerances or acceptance criteria, identified on the drawing.
- Quantity, material-supply responsibility and requested operations.
- Required date and a contact for technical questions.
Keep unresolved details visible in the enquiry. A short list of open questions is more useful than an apparently complete drawing that hides assumptions. For general drawing preparation, see our guide to drawings and 3D models.
To discuss a curved component, send TubeTech a rolling enquiry with the available drawings, material information and quantity. The team can then review the requested scope and identify information needed for a quote.