ST52-3 Mechanical Steel Tubing: ST52-3 is a legacy German steel designation found on drawings for tubes and structures. It is not sufficient alone to confirm current EN grade, product form, yield requirements or dimensional tolerance.
Download Mozaic ST52-3 Mechanical Steel Tubing technical reference sheet (PDF)
ST52-3 Mechanical Steel Tubing — Grade and Specifications
| Requirement | Technical / purchase-order detail |
|---|---|
| Material / product | ST52-3 Mechanical Steel Tubing |
| Alloy or grade identity | ST52-3 legacy designation; confirm original DIN and current required standard |
| Applicable purchasing standard | Customer-specified DIN / EN steel tube standard and grade |
| Supply condition | Specify tube manufacturing route, OD, ID/wall, straightness and test condition |
| Typical uses | Mechanical tube shafts, hydraulic structures and machined tubular components |
| Dimensional processing | Define diameter, finish, tolerance, bar straightness and cutting requirements separately |
This reference page does not constitute a mill test report or a guarantee of available stock. Mechanical properties, chemistry and certifications depend on the actual ordered alloy, condition and product standard.
Applications and Grade-Selection Guidance
S355 or E355 equivalents cannot be assumed without confirming old designation, product form and certification. Representative applications include mechanical tube shafts, hydraulic structures and machined tubular components. Product purchasing should identify the alloy family or exact UNS designation and the conditions of service. Grade substitutions require engineering approval; a similar grade name does not demonstrate equivalent performance.
Round Bar Processing and Precision Finishing
Mozaic Precision Metals offers order-specific centerless grinding, straightening, saw cutting, polishing, chamfering and packaging. Buyers should specify finished outside diameter, diameter tolerance, length, surface finish, material condition, inspection and lot traceability independently. Actual grinding capability depends on the bar dimensions, alloy and heat-treatment state.
Related Grades and Material Guides
- dom tubing — related grade or more specific sourcing information
- 1026 steel tubing — related grade or more specific sourcing information
Request Material Sourcing or Grinding
Send your grade/product drawing, material standard, supplied condition, starting/finished sizes, tolerance, quantity and certifications to sales@mozaicprecision.com, call 847-637-8379 or request a quotation.