VT machining offers CNC Surface Grinding for D2 Tool Steel (UNS T30402 / 1.2379 / SKD11), typically supplied annealed or hardened. High-chromium, high wear resistance; harder to grind than A2.
CNC Surface Grinding Notes for D2 Tool Steel
D2 Tool Steel is ground with aluminium-oxide or CBN wheels chosen for its hardness (~255 HB annealed; 58-62 HRC hardened).
Process Data for CNC Surface Grinding D2 Tool Steel
| Wheel (supply condition) | Ceramic aluminium oxide |
|---|---|
| Wheel (hardened to ~62 HRC) | CBN |
| Depth per pass (rough / finish) | 0.005-0.015 / 0.002-0.005 mm |
| Achievable finish | Ra 0.1-0.2 µm |
| Typical size tolerance | Flatness 0.002-0.005 mm, thickness ±0.002 mm |
| Thermal growth, 200 mm part, +2 °C | 4.2 µm (CTE 10.4 µm/m·K) |
Typical values for D2 Tool Steel, Annealed or hardened; confirmed on the first part.
D2 Tool Steel Data Relevant to CNC Surface Grinding
| Equivalent designations | UNS T30402 / 1.2379 / SKD11 |
|---|---|
| Typical supply condition | Annealed or hardened |
| Hardness (typical) | ~255 HB annealed; 58-62 HRC hardened |
Typical values; we work to your drawing and mill certificate.
More on CNC Surface Grinding Alloy Steel
Finishing options, quality documentation and general cnc surface grinding guidance for all alloy steel grades are on our CNC Surface Grinding Alloy Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Surface Grinding D2 Tool Steel
Send a STEP/IGES model or PDF drawing, confirm D2 Tool Steel and its condition (we usually see it supplied annealed or hardened), the quantity, critical tolerances and any finish or certificate requirements.
D2 Tool Steel in Other Processes
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Send the drawing, the D2 Tool Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What surface finish is achievable on D2 Tool Steel with CNC Surface Grinding?
Grinding can take D2 Tool Steel to a fine finish — typically Ra 0.1–0.4 µm, and to a mirror grade on suitable alloys.
What tolerances can you hold for CNC Surface Grinding D2 Tool Steel?
Achievable tolerances for D2 Tool Steel grinding depend on the alloy, geometry and feature size. Grinding routinely holds single-micron tolerances on diameter, flatness and parallelism. Exact figures are confirmed against your drawing callouts.
What is the typical lead time and minimum order for CNC Surface Grinding D2 Tool Steel?
CNC Surface Grinding prototypes for D2 Tool 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 is CNC Surface Grinding D2 Tool Steel and how is it done?
CNC Surface Grinding D2 Tool Steel refers to surface grinding produces flat, parallel faces with fine finish using a horizontal abrasive wheel. Applied to D2 Tool Steel — wear-resistant and hardenable for tooling — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
What material thickness or size range suits CNC Surface Grinding D2 Tool Steel?
We machine D2 Tool Steel across a broad size range; share your part envelope for confirmation.
Can VT machining make custom D2 Tool Steel parts to my drawing?
Yes. D2 Tool Steel grinding 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.