CNC Turning EN24 Steel

Need reliable CNC Turning EN24 Steel? VT machining machines EN24 Steel to tight tolerances and consistent quality. As a material, EN24 Steel is strong, economical and widely available; we adapt feeds, speeds and tooling to suit.

CNC Turning Capability for EN24 Steel

  • Carbon/low-alloy grades
  • Economical & weldable
  • Tolerance to ±0.02 mm
  • Hardenable by heat treat

EN24 Steel Material Data

EN24 Steel — typical properties, quoted for 1045
Density7.85 g/cm³
Tensile strength585 MPa
Yield strength (0.2%)450 MPa
Hardness170 HB
Melting point1420–1460 °C
Thermal conductivity51.9 W/m·K
Thermal expansion11.5 ×10⁻⁶/K
Electrical conductivity9%
Machinability (C36000 = 100%)57%
Grades we run1018, 1045, 1215, A36, S45C, St37, 4140 (see alloy steel)

Published typical values for 1045. Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining EN24 Steel — what actually causes trouble

Rust. Bare steel flash-rusts within hours in a humid container, so parts are oiled or passivated before packing unless you specify otherwise.

Machining EN24 Steel with CNC Turning

The machinability of EN24 Steel is good to excellent depending on carbon content; free-machining grades cut cleanly. For CNC Turning we select tooling, feeds, speeds and coolant to match, keeping the EN24 Steel workpiece stable and the result accurate.

Because we machine EN24 Steel regularly, proven settings shorten setup and keep quality repeatable across reorders.

Achievable Tolerances for CNC Turning EN24 Steel

CNC Turning EN24 Steel — achievable tolerances
FeatureStandardPrecision
Outside diameter±0.05 mm±0.005 mm
Bore diameterH9H6
Length / shoulder position±0.10 mm±0.020 mm
Concentricity OD to ID0.05 mm TIR0.010 mm TIR
Roundness0.02 mm0.005 mm
Thread class6g / 2A4h / 3A
Surface finish, as turnedRa 1.6 µmRa 0.4 µm

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.

CNC Turning Quality & Inspection

Consistent quality comes from disciplined process control. Critical dimensions on EN24 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.

Design Tips for CNC Turning EN24 Steel

A few design choices make a real difference to cost and quality. Consistent diameters, standard thread forms and avoiding extremely long, slender features help EN24 Steel turned parts stay concentric and economical. If you send your model early, we will return practical DFM feedback before you commit to production.

Why EN24 Steel?

Specifying EN24 Steel for CNC Turning EN24 Steel is usually about its properties: strong, economical and widely available. Tell us the condition you need and we machine to it.

CNC Turning Tolerances & Surface Finish

Turned EN24 Steel holds diameter tolerances to about ±0.005 mm with concentricity within 0.01 mm and good roundness. Turned finishes of Ra 0.4–0.8 µm are achievable with finishing passes and sharp tooling.

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.

Secondary Operations & Finishing

We complete EN24 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.

Applications of CNC Turning EN24 Steel

CNC Turning of EN24 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 Turning EN24 Steel

Ordering EN24 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 EN24 Steel

Finishing options available with this material
FinishThickness / effectWhy it gets specified
Black oxide1–2 µmMild corrosion resistance, no dimensional change
Zinc plate + clear/yellow5–12 µmASTM B633, general corrosion protection
Nickel plate (electroless)10–25 µmUniform in bores, 500 HV after bake
Phosphate5–10 µmPaint key, mild lubricity
Powder coat60–120 µmRAL colours
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 Turning EN24 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 EN24 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.

EN24 Steel in Other Processes

Related

Send the drawing, the EN24 Steel condition and the quantity — pricing and lead time come back the same or next business day.

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Frequently Asked Questions

Does CNC Turning EN24 Steel require dedicated tooling?

Most EN24 Steel turning 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 Turning on EN24 Steel?

Machined EN24 Steel edges are clean and to specification; edge-break or deburring is added when your drawing calls for it.

What surface finish is achievable on EN24 Steel with CNC Turning?

Surface finish on EN24 Steel is controlled to your specification; we confirm the achievable Ra against your callout.

What tolerances can you hold for CNC Turning EN24 Steel?

Achievable tolerances for EN24 Steel turning depend on the alloy, geometry and feature size. Turning holds diameter tolerances to around ±0.005 mm with concentricity within 0.01 mm. Exact figures are confirmed against your drawing callouts.

What is the typical lead time and minimum order for CNC Turning EN24 Steel?

CNC Turning prototypes for EN24 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 EN24 Steel parts to my drawing?

Yes. EN24 Steel EN24 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.