VT machining offers CNC Surface Grinding for D3 Tool Steel (UNS T30403 / 1.2080 / SKD1), typically supplied annealed or hardened. Higher carbon than D2 for maximum wear but lower toughness.
CNC Surface Grinding Notes for D3 Tool Steel
D3 Tool Steel is ground with aluminium-oxide or CBN wheels chosen for its hardness (Up to ~64 HRC).
Process Data for CNC Surface Grinding D3 Tool Steel
| Wheel (supply condition) | Ceramic aluminium oxide |
|---|---|
| Wheel (hardened to ~64 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 | 4.4 µm (CTE 11 µm/m·K) |
Typical values for D3 Tool Steel, Annealed or hardened; confirmed on the first part.
D3 Tool Steel Data Relevant to CNC Surface Grinding
| Equivalent designations | UNS T30403 / 1.2080 / SKD1 |
|---|---|
| Typical supply condition | Annealed or hardened |
| Hardness (typical) | Up to ~64 HRC |
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 D3 Tool Steel
Send a STEP/IGES model or PDF drawing, confirm D3 Tool Steel and its condition (we usually see it supplied annealed or hardened), the quantity, critical tolerances and any finish or certificate requirements.
D3 Tool Steel in Other Processes
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Send the drawing, the D3 Tool Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
Does CNC Surface Grinding D3 Tool Steel require dedicated tooling?
Most D3 Tool Steel grinding work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
What material thickness or size range suits CNC Surface Grinding D3 Tool Steel?
We machine D3 Tool Steel across a broad size range; share your part envelope for confirmation.
What is the typical lead time and minimum order for CNC Surface Grinding D3 Tool Steel?
CNC Surface Grinding prototypes for D3 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.
Why is D3 Tool Steel a good choice for CNC Surface Grinding?
D3 Tool Steel is wear-resistant and hardenable for tooling, which makes it well suited to CNC Surface Grinding. We tune the process to the alloy so the finished D3 Tool Steel grinding part meets your dimensional and functional requirements.
What surface finish is achievable on D3 Tool Steel with CNC Surface Grinding?
Grinding can take D3 Tool Steel to a fine finish — typically Ra 0.1–0.4 µm, and to a mirror grade on suitable alloys.
What is CNC Surface Grinding D3 Tool Steel and how is it done?
CNC Surface Grinding D3 Tool Steel refers to surface grinding produces flat, parallel faces with fine finish using a horizontal abrasive wheel. Applied to D3 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.