VT machining provides CNC Waterjet Cutting Monel 400 for customers who need accurate, repeatable Monel 400 components. The machinability of Monel 400 is moderate; work-hardens, steady feeds required, so we set the operation up specifically for this grade.
CNC Waterjet Cutting Capability for Monel 400
- Marine/acid corrosion resistant
- High strength
- Tolerance to ±0.01 mm
- Monel family
Monel 400 Material Data
| Density | 8.80 g/cm³ |
|---|---|
| Tensile strength | 550–690 MPa |
| Yield strength (0.2%) | 240–345 MPa |
| Hardness | 110–150 HB |
| Melting point | 1300–1350 °C |
| Thermal conductivity | 21.8 W/m·K |
| Thermal expansion | 13.9 ×10⁻⁶/K |
| Electrical conductivity | 3.4% |
| Machinability (C36000 = 100%) | 30% |
| Grades we run | Monel 400, Monel K-500, Monel R-405 (free-machining) |
Published typical values for Monel 400. Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.
Work-hardens like stainless but tougher. If the drawing allows R-405, cycle time drops noticeably for the same corrosion performance.
Machining Monel 400 with CNC Waterjet Cutting
Monel 400 behaves predictably under CNC Waterjet Cutting once parameters are dialled in: machinability is moderate; work-hardens, steady feeds required, and we tune the operation accordingly.
We hold reference parameters for this grade, so repeat orders of Monel 400 run consistently from one batch to the next.
Achievable Tolerances for CNC Waterjet Cutting Monel 400
| 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 Monel 400
We are happy to suggest design tweaks that improve manufacturability. Keeping holes no smaller than the material thickness, allowing for kerf, and grouping features sensibly improves edge quality and nesting yield on Monel 400. If you send your model early, we will return practical DFM feedback before you commit to production.
Why Monel 400?
Monel 400 is chosen when a part needs what this grade offers — it is strong and highly corrosion-resistant in marine/acid service. We confirm the grade and any temper or heat-treat condition with you before machining.
CNC Waterjet Cutting 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 Monel 400 part to print. Inspection reports, material certificates and first-article documentation can be supplied on request.
CNC Waterjet Cutting Tolerances & Surface Finish
Laser-cut Monel 400 holds contour tolerances around ±0.05 mm depending on thickness, with a narrow kerf and a clean, near burr-free edge.
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 Monel 400 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.
Applications of CNC Waterjet Cutting Monel 400
Customers order CNC Waterjet Cutting Monel 400 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 Waterjet Cutting Monel 400
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 Monel 400
| Finish | Thickness / effect | Why it gets specified |
|---|---|---|
| Deburr / edge break | 0.05–0.3 mm | All parts unless the drawing says otherwise |
| Bead blast | Ra 1.6–3.2 µm | Uniform matt finish, hides tool marks |
| Laser marking | — | Part number, lot code, data matrix |
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 Monel 400
- 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 Monel 400 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.
Monel 400 in Other Processes
Related
Send the drawing, the Monel 400 condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What material thickness or size range suits CNC Waterjet Cutting Monel 400?
Laser-cut Monel 400 thickness depends on the alloy and its reflectivity; we tune the fiber source and assist gas accordingly.
What is CNC Waterjet Cutting Monel 400 and how is it done?
CNC Waterjet Cutting Monel 400 refers to abrasive waterjet cutting erodes metal with a high-pressure abrasive stream, with no heat-affected zone. Applied to Monel 400 — strong and highly corrosion-resistant in marine/acid service — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
Why is Monel 400 a good choice for CNC Waterjet Cutting?
Monel 400 is strong and highly corrosion-resistant in marine/acid service, which makes it well suited to CNC Waterjet Cutting. We tune the process to the alloy so the finished Monel 400 cutting part meets your dimensional and functional requirements.
Does CNC Waterjet Cutting Monel 400 require dedicated tooling?
Most Monel 400 cutting 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 Waterjet Cutting on Monel 400?
Laser cutting leaves Monel 400 with a narrow kerf and a clean, near burr-free edge and only a small heat-affected zone.