VT machining offers CNC Milling for H13 Tool Steel (UNS T20813 / 1.2344 / SKD61), typically supplied annealed or hardened. Hot-work steel with thermal-fatigue resistance.
CNC Milling Notes for H13 Tool Steel
H13 Tool Steel mills well with conventional strategies; finishing passes are planned to meet flatness and finish callouts.
For estimating, a 100 × 100 × 10 mm block of H13 Tool Steel weighs about 0.78 kg.
Starting Parameters for CNC Milling H13 Tool Steel
| Cutting speed (carbide) | 110-195 m/min |
|---|---|
| Feed per tooth | 0.028-0.088 mm |
| Spindle speed, Ø10 mm end mill | 3500-6210 rpm |
| Insert / tool class | ISO P — CVD-coated carbide |
| Coolant | Emulsion; neat oil for tapping |
| Thermal growth, 100 mm part, +10 °C | 11 µm (CTE 11 µm/m·K) |
Starting values for H13 Tool Steel, Annealed or hardened; optimised on the first article.
H13 Tool Steel Data Relevant to CNC Milling
| Equivalent designations | UNS T20813 / 1.2344 / SKD61 |
|---|---|
| Key composition | C ~0.4%, Cr ~5%, Mo ~1.3%, V ~1% |
| Typical supply condition | Annealed or hardened |
| Hardness (typical) | ~230 HB annealed; 44-52 HRC hardened |
| Machinability rating | 70% (AISI B1112 = 100%) |
Typical values; we work to your drawing and mill certificate.
How H13 Tool Steel Differs
Hot-work steel with thermal-fatigue resistance.
Typical applications: Die-casting dies, extrusion tools, forging dies.
H13 Tool Steel vs Similar Grades
| H13 Tool Steel | D3 Tool Steel | O1 Tool Steel | D2 Tool Steel | |
|---|---|---|---|---|
| Key composition | C ~0.4%, Cr ~5%, Mo ~1.3%, V ~1% | C ~2.1%, Cr ~12% | C ~0.9%, Mn ~1.2%, Cr, W | C ~1.5%, Cr ~12%, Mo, V |
| Hardness | ~230 HB annealed; 44-52 HRC hardened | Up to ~64 HRC | ~200 HB annealed; 57-62 HRC hardened | ~255 HB annealed; 58-62 HRC hardened |
| Machinability % | 70 | 40 | 90 | 45 |
| Typical use | Die-casting dies, extrusion tools, forging dies | Drawing dies, shear blades | Gauges, punches, knives, short-run dies | Cutting dies, slitters, wear parts |
More on CNC Milling Alloy Steel
Finishing options, quality documentation and general cnc milling guidance for all alloy steel grades are on our CNC Milling Alloy Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Milling H13 Tool Steel
Send a STEP/IGES model or PDF drawing, confirm H13 Tool Steel and its condition (we usually see it supplied annealed or hardened), the quantity, critical tolerances and any finish or certificate requirements.
H13 Tool Steel in Other Processes
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Send the drawing, the H13 Tool Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What material thickness or size range suits CNC Milling H13 Tool Steel?
We machine H13 Tool Steel across a broad size range; share your part envelope for confirmation.
Which industries use CNC Milling H13 Tool Steel parts?
CNC Milling H13 Tool Steel parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise H13 Tool Steel components are required.
What tolerances can you hold for CNC Milling H13 Tool Steel?
Achievable tolerances for H13 Tool Steel machining depend on the alloy, geometry and feature size. Milling holds positional and dimensional tolerances to around ±0.01 mm, tighter with precision setups. Exact figures are confirmed against your drawing callouts.
Does CNC Milling H13 Tool Steel require dedicated tooling?
Most H13 Tool Steel machining work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
What is CNC Milling H13 Tool Steel and how is it done?
CNC Milling H13 Tool Steel refers to multi-axis milling cutters remove material to produce prismatic features, pockets, slots and contoured 3D surfaces. Applied to H13 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.