CNC Waterjet Cutting Inconel is a core capability at VT machining. We combine controlled cutting with material-aware setup for Inconel — an alloy that is high-temperature strength and oxidation resistance — to produce parts that meet your specification first time.
Process Data for CNC Waterjet Cutting Inconel
| Cutting speed at 10 mm | ~72 mm/min |
|---|---|
| Cutting speed at 25 mm | ~23 mm/min |
| Profile tolerance | ±0.1 mm; edge taper <0.05 mm with taper compensation |
| Heat-affected zone | None |
Shown for Inconel 718, the most common Inconel grade we see for CNC Waterjet Cutting. Typical values for Inconel 718, Solution-treated or aged; confirmed on the first part.
CNC Waterjet Cutting Capability for Inconel
- No heat-affected zone
- Thickness to 150+ mm
- Tolerance ±0.1 mm
- Any-metal capability
Inconel material properties, finishing options and grade notes are on our CNC Laser Cutting Inconel page.
How CNC Waterjet Cutting Inconel Works
A focused fibre-laser beam melts and blows material from the Inconel sheet along the programmed contour. Power, focal position, nozzle stand-off and assist-gas pressure are tuned to the alloy and thickness for a clean, square edge.
We start from your supplied geometry and tolerance scheme. The setup is designed to minimise re-clamping, which protects positional accuracy across features. A first article is verified against the drawing before the balance of the batch is released.
Achievable Tolerances for CNC Waterjet Cutting Inconel
| Feature | Standard | Precision |
|---|---|---|
| Contour dimension | ±0.10 mm | ±0.05 mm |
| Hole diameter | ±0.10 mm | ±0.05 mm |
| Kerf width | 0.20 mm | 0.10 mm |
| Squareness of cut edge | 0.5° | 0.2° |
| Heat-affected zone | 0.15 mm | 0.05 mm (N₂ assist) |
| Minimum hole diameter | 1.2 × thickness | 1.0 × thickness |
| Edge condition | light dross | burr-free, N₂ cut |
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 Waterjet Cutting Inconel
Small design adjustments often cut cost and lead time. Keeping holes no smaller than the material thickness, allowing for kerf, and grouping features sensibly improves edge quality and nesting yield on Inconel. If you send your model early, we will return practical DFM feedback before you commit to production.
CNC Waterjet Cutting Tolerances & Surface Finish
Laser-cut Inconel holds contour tolerances around ±0.05 mm depending on thickness, with a narrow kerf and a clean, near burr-free edge.
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 Waterjet Cutting Inconel
Inconel parts made this way are found throughout aerospace, medical, automotive, electronics and industrial equipment. Prototype, bridge and production volumes are all welcome.
Typical Inconel Parts for CNC Waterjet Cutting
Illustrative examples of CNC Waterjet Cutting Inconel parts and the callouts that usually drive the process plan. They show the kind of work that fits this process; they are not specific customer orders.
Gasket / shim set
- Material
- Inconel
- Size
- Ø120 × 0.5 mm
- Key callouts
- ID/OD ±0.05 mm, no heat discolouration
- Batch
- 3,000 pcs
Small-diameter holes below 1.2 × thickness are punched, not lased.
Machine guard panel
- Material
- Inconel
- Size
- 900 × 600 × 3 mm
- Key callouts
- Slot pattern ±0.10 mm, hole-to-edge 6 mm
- Batch
- 150 pcs
Cut with common-line pairs to halve the pierce count.
Bracket blank
- Material
- Inconel
- Size
- 250 × 120 × 4 mm
- Key callouts
- Contour ±0.10 mm, bend-relief notches
- Batch
- 800 pcs
Bend reliefs cut in at the same time so the press brake does not tear the corner.
No drawing yet? Build one in the browser.
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.
What We Need to Quote CNC Waterjet Cutting Inconel
- 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 Inconel 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.
Other Metals for CNC Waterjet Cutting
Other Processes for Inconel
Send the drawing, the Inconel grade and the quantity. You get pricing, lead time and any DFM notes back — usually within one business day.
Request a QuoteFrequently Asked Questions
What material thickness or size range suits CNC Waterjet Cutting Inconel?
Laser-cut Inconel thickness depends on the alloy and its reflectivity; we tune the fiber source and assist gas accordingly.
How clean are the edges produced by CNC Waterjet Cutting on Inconel?
Laser cutting leaves Inconel with a narrow kerf and a clean, near burr-free edge and only a small heat-affected zone.
Can VT machining make custom Inconel parts to my drawing?
Yes. Inconel cutting 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.
Why is Inconel a good choice for CNC Waterjet Cutting?
Inconel is high-temperature strength and oxidation resistance, which makes it well suited to CNC Waterjet Cutting. We tune the process to the alloy so the finished Inconel cutting part meets your dimensional and functional requirements.