VT machining offers CNC Polishing for Q235 Steel (GB/T 700 / ~S235JR / ~A36), typically supplied hot-rolled. Chinese standard structural steel, yield ≥235 MPa.
CNC Polishing Notes for Q235 Steel
Q235 Steel polishes to a bright finish; the final grit is chosen to meet the cosmetic standard.
Process Data for CNC Polishing Q235 Steel
| Best achievable finish | Ra 0.03-0.05 µm |
|---|---|
| Final abrasive | Fine alumina or polishing compound |
Typical values for Q235 Steel, Hot-rolled; confirmed on the first part.
Q235 Steel Data Relevant to CNC Polishing
| Equivalent designations | GB/T 700 / ~S235JR / ~A36 |
|---|---|
| Typical supply condition | Hot-rolled |
| Hardness (typical) | ~120 HB |
Typical values; we work to your drawing and mill certificate.
More on CNC Polishing Steel
Finishing options, quality documentation and general cnc polishing guidance for all steel grades are on our CNC Polishing Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Polishing Q235 Steel
Send a STEP/IGES model or PDF drawing, confirm Q235 Steel and its condition (we usually see it supplied hot-rolled), the quantity, critical tolerances and any finish or certificate requirements.
Q235 Steel in Other Processes
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Send the drawing, the Q235 Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What is CNC Polishing Q235 Steel and how is it done?
CNC Polishing Q235 Steel refers to cNC polishing refines surfaces to a smooth, reflective finish for cosmetic and functional needs. Applied to Q235 Steel — strong, economical and widely available — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
What tolerances can you hold for CNC Polishing Q235 Steel?
Achievable tolerances for Q235 Steel finishing depend on the alloy, geometry and feature size. We hold tight, repeatable tolerances appropriate to the feature and material. Exact figures are confirmed against your drawing callouts.
Can VT machining make custom Q235 Steel parts to my drawing?
Yes. Q235 Steel finishing is made to order from your CAD/2D drawing. Share your geometry, material grade, tolerance and quantity and we will confirm feasibility, lead time and pricing.
What is the typical lead time and minimum order for CNC Polishing Q235 Steel?
CNC Polishing prototypes for Q235 Steel can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.
What surface finish is achievable on Q235 Steel with CNC Polishing?
Our finishing processes refine Q235 Steel surfaces to Ra values as low as 0.05 µm for cosmetic or sealing faces.