CNC Cylindrical Grinding H13 Tool Steel

CNC Cylindrical Grinding H13 Tool Steel is part of VT machining's grade-specific capability. H13 Tool Steel is wear-resistant and hardenable for tooling, and we combine controlled grinding with material-aware setup to produce parts that meet your specification.

CNC Cylindrical Grinding Capability for H13 Tool Steel

  • Air/oil/water-hardening grades
  • High wear resistance
  • Hardenable to 58–64 HRC
  • Tolerance to ±0.005 mm

H13 Tool Steel Material Data

H13 Tool Steel — typical properties, quoted for WC-Co (YG8 / K20)
Density14.5 g/cm³
Tensile strength2000–3500 (TRS) MPa
Yield strength (0.2%)
Hardness88–93 HRA / 1300–1800 HV
Melting point2870 (WC) °C
Thermal conductivity70–100 W/m·K
Thermal expansion5.0 ×10⁻⁶/K
Electrical conductivity10%
Machinability (C36000 = 100%)grind / EDM only
Grades we runYG6, YG8, YG15 (K10–K30), D2, H13, M2, SKD11

Published typical values for WC-Co (YG8 / K20). Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining H13 Tool Steel — what actually causes trouble

Everything is done by grinding, wire EDM or sinker EDM. Design in a small corner radius wherever possible — a true sharp internal corner doubles the EDM time.

Machining H13 Tool Steel with CNC Cylindrical Grinding

The machinability of H13 Tool Steel is machined in the annealed state, then hardened; carbide tooling preferred. For CNC Cylindrical Grinding we select tooling, feeds, speeds and coolant to match, keeping the H13 Tool Steel workpiece stable and the result accurate.

Because we machine H13 Tool Steel regularly, proven settings shorten setup and keep quality repeatable across reorders.

Achievable Tolerances for CNC Cylindrical Grinding H13 Tool Steel

CNC Cylindrical Grinding H13 Tool Steel — achievable tolerances
FeatureStandardPrecision
Size (OD, ID, thickness)±0.005 mm±0.002 mm
Flatness over 100 mm0.010 mm0.003 mm
Parallelism0.010 mm0.003 mm
Roundness0.005 mm0.002 mm
Squareness0.010 mm0.005 mm
Surface finishRa 0.4 µmRa 0.1 µm
Workpiece hardnessup to 62 HRCup to 65 HRC

Standard is what a normal quotation assumes. Precision is available on nominated features and is priced separately, because it needs extra setups, in-process gauging and CMM verification. Call out only the features that need it — blanket-tightening a drawing is the single most common reason a quote comes back expensive.

Design Tips for CNC Cylindrical Grinding H13 Tool Steel

A few design choices make a real difference to cost and quality. Allowing adequate grind stock, specifying realistic flatness over the true datum, and relieving corners help us hit tight tolerances on H13 Tool Steel efficiently. If you send your model early, we will return practical DFM feedback before you commit to production.

CNC Cylindrical Grinding Quality & Inspection

Consistent quality comes from disciplined process control. Critical dimensions on H13 Tool Steel parts are checked in-process and verified at final inspection using calibrated instruments and, where required, CMM measurement. Full documentation — dimensional reports, mill certs, FAIR — is available when your programme needs it.

Why H13 Tool Steel?

Specifying H13 Tool Steel for CNC Cylindrical Grinding H13 Tool Steel is usually about its properties: wear-resistant and hardenable for tooling. Tell us the condition you need and we machine to it.

Secondary Operations & Finishing

We complete H13 Tool Steel components with the secondary steps your drawing calls for. We arrange heat treatment, surface treatment, marking and assembly as needed. Tell us the final spec and we will plan the full route so parts arrive ready to use.

CNC Cylindrical Grinding Tolerances & Surface Finish

Ground H13 Tool Steel reaches single-micron tolerances on size, flatness and parallelism, with surface finishes down to Ra 0.1–0.4 µm — and a near-mirror finish on suitable alloys.

The tightest tolerances are reserved for the features your drawing flags as critical. Share your tolerance scheme and we will confirm what is realistic before quoting.

Applications of CNC Cylindrical Grinding H13 Tool Steel

CNC Cylindrical Grinding of H13 Tool Steel supports parts across aerospace, medical, automotive, electronics, semiconductor, energy and general industrial sectors. We scale from one-off prototypes to ongoing production while holding the same quality.

How to Order CNC Cylindrical Grinding H13 Tool Steel

Ordering H13 Tool Steel parts is straightforward. Provide the drawing, material, quantity and any certification needs. Our engineers reply — in English — with feasibility, pricing and a realistic lead time, usually within one business day.

Finishing Options for H13 Tool Steel

Finishing options available with this material
FinishThickness / effectWhy it gets specified
Deburr / edge break0.05–0.3 mmAll parts unless the drawing says otherwise
Bead blastRa 1.6–3.2 µmUniform matt finish, hides tool marks
Laser markingPart number, lot code, data matrix
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Set the metal, dimensions and features, watch the 3D model update as you type, then switch to the 2D sheet to add dimensions and tolerances. Download it or send it straight to us with your RFQ.

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What We Need to Quote CNC Cylindrical Grinding H13 Tool Steel

  • GeometrySTEP or IGES for the 3D model, plus a PDF drawing if you have tolerance callouts. A dimensioned sketch is enough to start.
  • MaterialThe exact H13 Tool Steel grade and condition — temper, heat-treat state or hardness. If you are not sure, tell us the function and we will suggest one.
  • QuantityPrototype count and the expected annual volume. Both change how the part is made and therefore what it costs.
  • TolerancesWhich features are critical. Everything else runs to our standard tolerance, which is what keeps the price sensible.
  • FinishSurface treatment, cosmetic requirements, and any faces that must be masked.
  • DocumentsWhether you need a material certificate, dimensional report, FAIR or PPAP with the shipment.

Missing something from the list is not a problem — send what you have. We will come back with the specific questions rather than a generic form.

H13 Tool Steel in Other Processes

Related

Send the drawing, the H13 Tool Steel condition and the quantity — pricing and lead time come back the same or next business day.

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Frequently Asked Questions

Why is H13 Tool Steel a good choice for CNC Cylindrical Grinding?

H13 Tool Steel is wear-resistant and hardenable for tooling, which makes it well suited to CNC Cylindrical Grinding. We tune the process to the alloy so the finished H13 Tool Steel grinding part meets your dimensional and functional requirements.

Can VT machining make custom H13 Tool Steel parts to my drawing?

Yes. H13 Tool Steel H13 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.

What is the typical lead time and minimum order for CNC Cylindrical Grinding H13 Tool Steel?

CNC Cylindrical Grinding prototypes for H13 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 surface finish is achievable on H13 Tool Steel with CNC Cylindrical Grinding?

Grinding can take H13 Tool Steel to a fine finish — typically Ra 0.1–0.4 µm, and to a mirror grade on suitable alloys.

Does CNC Cylindrical Grinding H13 Tool Steel require dedicated tooling?

Most H13 Tool Steel grinding work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.

How clean are the edges produced by CNC Cylindrical Grinding on H13 Tool Steel?

Machined H13 Tool Steel edges are clean and to specification; edge-break or deburring is added when your drawing calls for it.