VT machining offers CNC Turning for A2 Tool Steel (UNS T30102 / 1.2363 / SKD12), typically supplied annealed or hardened. Air-hardening with very low distortion; tougher than D2.
CNC Turning Notes for A2 Tool Steel
A2 Tool Steel turns with good chip control at standard cutting data.
For estimating, a 100 × 100 × 10 mm block of A2 Tool Steel weighs about 0.79 kg.
Starting Parameters for CNC Turning A2 Tool Steel
| Cutting speed (carbide) | 120-215 m/min |
|---|---|
| Feed | 0.08-0.25 mm/rev |
| Spindle speed, Ø25 mm bar | 1530-2740 rpm |
| Insert / tool class | ISO P — CVD-coated carbide |
| Coolant | Emulsion; neat oil for tapping |
Starting values for A2 Tool Steel, Annealed or hardened; optimised on the first article.
A2 Tool Steel Data Relevant to CNC Turning
| Equivalent designations | UNS T30102 / 1.2363 / SKD12 |
|---|---|
| Key composition | C ~1%, Cr ~5%, Mo ~1% |
| Typical supply condition | Annealed or hardened |
| Hardness (typical) | ~250 HB annealed; 57-62 HRC hardened |
| Machinability rating | 65% (AISI B1112 = 100%) |
Typical values; we work to your drawing and mill certificate.
How A2 Tool Steel Differs
Air-hardening with very low distortion; tougher than D2.
Typical applications: Blanking dies, punches, gauges.
A2 Tool Steel vs Similar Grades
| A2 Tool Steel | D2 Tool Steel | D3 Tool Steel | H13 Tool Steel | |
|---|---|---|---|---|
| Key composition | C ~1%, Cr ~5%, Mo ~1% | C ~1.5%, Cr ~12%, Mo, V | C ~2.1%, Cr ~12% | C ~0.4%, Cr ~5%, Mo ~1.3%, V ~1% |
| Hardness | ~250 HB annealed; 57-62 HRC hardened | ~255 HB annealed; 58-62 HRC hardened | Up to ~64 HRC | ~230 HB annealed; 44-52 HRC hardened |
| Machinability % | 65 | 45 | 40 | 70 |
| Typical use | Blanking dies, punches, gauges | Cutting dies, slitters, wear parts | Drawing dies, shear blades | Die-casting dies, extrusion tools, forging dies |
More on CNC Turning Alloy Steel
Finishing options, quality documentation and general cnc turning guidance for all alloy steel grades are on our CNC Turning Alloy Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Turning A2 Tool Steel
Send a STEP/IGES model or PDF drawing, confirm A2 Tool Steel and its condition (we usually see it supplied annealed or hardened), the quantity, critical tolerances and any finish or certificate requirements.
A2 Tool Steel in Other Processes
Related
Send the drawing, the A2 Tool Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What is the typical lead time and minimum order for CNC Turning A2 Tool Steel?
CNC Turning prototypes for A2 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.
Can VT machining make custom A2 Tool Steel parts to my drawing?
Yes. A2 Tool Steel turning 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.
Why is A2 Tool Steel a good choice for CNC Turning?
A2 Tool Steel is wear-resistant and hardenable for tooling, which makes it well suited to CNC Turning. We tune the process to the alloy so the finished A2 Tool Steel turning part meets your dimensional and functional requirements.
What material thickness or size range suits CNC Turning A2 Tool Steel?
Turned A2 Tool Steel parts are produced from bar or chuck stock across a wide diameter range.