CNC Milling 5052 Aluminum

VT machining provides CNC Milling 5052 Aluminum for customers who need accurate, repeatable 5052 Aluminum components. The machinability of 5052 Aluminum is excellent; high cutting speeds and superb finishes achievable, so we set the operation up specifically for this grade.

CNC Milling Capability for 5052 Aluminum

  • Lightweight (~2.7 g/cm³)
  • Excellent machinability
  • Tolerance to ±0.01 mm
  • Anodising-ready

5052 Aluminum Material Data

5052 Aluminum — typical properties, quoted for 6061-T6
Density2.70 g/cm³
Tensile strength310 MPa
Yield strength (0.2%)276 MPa
Hardness95 HB
Melting point582–652 °C
Thermal conductivity167 W/m·K
Thermal expansion23.6 ×10⁻⁶/K
Electrical conductivity43%
Machinability (C36000 = 100%)190%
Grades we run6061, 6082, 6063, 7075-T6, 5052, 2024-T3, MIC-6 cast plate

Published typical values for 6061-T6. Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining 5052 Aluminum — what actually causes trouble

Thin walls relax after roughing. We rough, let the part stabilise, then finish — otherwise a 1.5 mm wall bows by more than the tolerance it was cut to.

Machining 5052 Aluminum with CNC Milling

5052 Aluminum behaves predictably under CNC Milling once parameters are dialled in: machinability is excellent; high cutting speeds and superb finishes achievable, and we tune the operation accordingly.

We hold reference parameters for this grade, so repeat orders of 5052 Aluminum run consistently from one batch to the next.

Achievable Tolerances for CNC Milling 5052 Aluminum

CNC Milling 5052 Aluminum — achievable tolerances
FeatureStandardPrecision
Linear dimension (< 100 mm)±0.05 mm±0.010 mm
Linear dimension (100–300 mm)±0.10 mm±0.025 mm
Hole diameter (reamed)H9H7
True position of hole pattern±0.10 mm±0.025 mm
Flatness over 100 mm0.05 mm0.015 mm
Perpendicularity0.10 mm0.020 mm
Surface finish, as machinedRa 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 Milling Quality & Inspection

We control quality throughout the process, not just at the end. In-process checks plus final inspection — including CMM where specified — keep every 5052 Aluminum part to print. Inspection reports, material certificates and first-article documentation can be supplied on request.

CNC Milling Tolerances & Surface Finish

For CNC Milling, dimensional and positional tolerances around ±0.01 mm are routine, tightening toward ±0.005 mm on precision setups. Surface finish on machined faces typically falls in the Ra 0.4–1.6 µm range depending on tooling and pass strategy.

Final tolerances are governed by the material's behaviour, wall thickness and overall stiffness. We give honest DFM feedback if a callout would be costly or better achieved another way.

Secondary Operations & Finishing

Finished 5052 Aluminum parts can move straight into secondary operations under one roof. Typical add-ons are deburring, passivation, anodising, plating, blasting, polishing and laser marking. We coordinate the whole chain so you receive complete, inspection-ready parts.

Design Tips for CNC Milling 5052 Aluminum

We are happy to suggest design tweaks that improve manufacturability. Generous internal radii, sensible pocket depth-to-width ratios and avoiding very thin unsupported walls all reduce cost and improve accuracy in 5052 Aluminum. If you send your model early, we will return practical DFM feedback before you commit to production.

Why 5052 Aluminum?

5052 Aluminum is chosen when a part needs what this grade offers — it is lightweight with excellent machinability. We confirm the grade and any temper or heat-treat condition with you before machining.

Applications of CNC Milling 5052 Aluminum

Customers order CNC Milling 5052 Aluminum components for everything from instrumentation to structural and functional assemblies. Whether you need a single prototype or recurring production volume, the same process discipline applies.

How to Order CNC Milling 5052 Aluminum

Getting a quote is simple. Share your model, the material grade, your quantity and target tolerances. You receive a clear quotation with lead time and honest manufacturability feedback.

Finishing Options for 5052 Aluminum

Finishing options available with this material
FinishThickness / effectWhy it gets specified
Clear anodise (Type II)5–25 µmCorrosion protection, keeps the natural colour
Colour anodise10–25 µmBlack, red, blue, gold; add 0.02 mm to close tolerances
Hard anodise (Type III)25–50 µm60–70 HRC surface, grows 50% into the part
Chromate / Alodine 1200< 1 µmConductive, meets MIL-DTL-5541
Powder coat60–120 µmRAL colours, needs 0.3 mm clearance on mating features
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 Milling 5052 Aluminum

  • 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 5052 Aluminum 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.

5052 Aluminum in Other Processes

Related

Send the drawing, the 5052 Aluminum 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 5052 Aluminum a good choice for CNC Milling?

5052 Aluminum is lightweight with excellent machinability, which makes it well suited to CNC Milling. We tune the process to the alloy so the finished 5052 Aluminum machining part meets your dimensional and functional requirements.

Does CNC Milling 5052 Aluminum require dedicated tooling?

Most 5052 Aluminum machining work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.

What surface finish is achievable on 5052 Aluminum with CNC Milling?

Surface finish on 5052 Aluminum is controlled to your specification; we confirm the achievable Ra against your callout.

What is CNC Milling 5052 Aluminum and how is it done?

CNC Milling 5052 Aluminum refers to multi-axis milling cutters remove material to produce prismatic features, pockets, slots and contoured 3D surfaces. Applied to 5052 Aluminum — lightweight with excellent machinability — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.

What material thickness or size range suits CNC Milling 5052 Aluminum?

We machine 5052 Aluminum across a broad size range; share your part envelope for confirmation.