CNC Boring 2205 Duplex Stainless Steel

VT machining provides CNC Boring 2205 Duplex Stainless Steel for customers who need accurate, repeatable 2205 Duplex Stainless Steel components. The machinability of 2205 Duplex Stainless Steel is tougher than austenitic grades; reduced speeds and rigid setups maintain accuracy, so we set the operation up specifically for this grade.

CNC Boring Capability for 2205 Duplex Stainless Steel

  • Duplex ferritic-austenitic structure
  • High strength + chloride resistance
  • Tolerance to ±0.01 mm
  • PREN typically 35–43

2205 Duplex Stainless Steel Material Data

2205 Duplex Stainless Steel — typical properties, quoted for 304
Density8.00 g/cm³
Tensile strength515 MPa
Yield strength (0.2%)205 MPa
Hardness170 HB
Melting point1400–1450 °C
Thermal conductivity16.2 W/m·K
Thermal expansion17.3 ×10⁻⁶/K
Electrical conductivity2.4%
Machinability (C36000 = 100%)45%
Grades we run303, 304/304L, 316/316L, 321, 410, 416, 420, 17-4PH, 2205 duplex

Published typical values for 304. Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.

Machining 2205 Duplex Stainless Steel — what actually causes trouble

It work-hardens the moment a tool dwells. Constant feed and positive-rake tooling; a rubbing pass leaves a glazed skin the next tool cannot get through.

Machining 2205 Duplex Stainless Steel with CNC Boring

2205 Duplex Stainless Steel behaves predictably under CNC Boring once parameters are dialled in: machinability is tougher than austenitic grades; reduced speeds and rigid setups maintain accuracy, and we tune the operation accordingly.

We hold reference parameters for this grade, so repeat orders of 2205 Duplex Stainless Steel run consistently from one batch to the next.

Achievable Tolerances for CNC Boring 2205 Duplex Stainless Steel

CNC Boring 2205 Duplex Stainless 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 Boring 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 2205 Duplex Stainless Steel part to print. Inspection reports, material certificates and first-article documentation can be supplied on request.

Design Tips for CNC Boring 2205 Duplex Stainless Steel

We are happy to suggest design tweaks that improve manufacturability. Consistent diameters, standard thread forms and avoiding extremely long, slender features help 2205 Duplex Stainless Steel turned parts stay concentric and economical. If you send your model early, we will return practical DFM feedback before you commit to production.

Secondary Operations & Finishing

Finished 2205 Duplex Stainless Steel 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.

CNC Boring Tolerances & Surface Finish

Turned 2205 Duplex Stainless 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.

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.

Why 2205 Duplex Stainless Steel?

2205 Duplex Stainless Steel is chosen when a part needs what this grade offers — it is high-strength, chloride-corrosion-resistant. We confirm the grade and any temper or heat-treat condition with you before machining.

Applications of CNC Boring 2205 Duplex Stainless Steel

Customers order CNC Boring 2205 Duplex Stainless Steel 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 Boring 2205 Duplex Stainless Steel

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 2205 Duplex Stainless Steel

Finishing options available with this material
FinishThickness / effectWhy it gets specified
Citric passivationASTM A967 / AMS 2700, removes free iron
Electropolish5–25 µm removedRa improves by roughly half, hygienic surface
Brushed / grainedRa 0.4–1.6 µmNo. 4 finish, directional
PVD coating2–5 µmTiN, TiCN for wear surfaces
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 Boring 2205 Duplex Stainless 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 2205 Duplex Stainless 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.

2205 Duplex Stainless Steel in Other Processes

Related

Send the drawing, the 2205 Duplex Stainless 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 2205 Duplex Stainless Steel a good choice for CNC Boring?

2205 Duplex Stainless Steel is high-strength, chloride-corrosion-resistant, which makes it well suited to CNC Boring. We tune the process to the alloy so the finished 2205 Duplex Stainless Steel turning part meets your dimensional and functional requirements.

What is the typical lead time and minimum order for CNC Boring 2205 Duplex Stainless Steel?

CNC Boring prototypes for 2205 Duplex Stainless 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 2205 Duplex Stainless Steel parts to my drawing?

Yes. 2205 Duplex Stainless Steel 2205 Duplex Stainless 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.

What tolerances can you hold for CNC Boring 2205 Duplex Stainless Steel?

Achievable tolerances for 2205 Duplex Stainless 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.

Does CNC Boring 2205 Duplex Stainless Steel require dedicated tooling?

Most 2205 Duplex Stainless Steel turning work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.