CNC Gear Cutting Monel 400 is part of VT machining's grade-specific capability. Monel 400 is strong and highly corrosion-resistant in marine/acid service, and we combine controlled gear cutting with material-aware setup to produce parts that meet your specification.
CNC Gear 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 Gear Cutting
Monel 400 behaves predictably under CNC Gear 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 Gear Cutting Monel 400
| Feature | Standard | Precision |
|---|---|---|
| Accuracy class | DIN 8 / AGMA 10 | DIN 6 / AGMA 12 |
| Profile deviation | 0.020 mm | 0.008 mm |
| Lead deviation | 0.020 mm | 0.008 mm |
| Pitch deviation (cumulative) | 0.040 mm | 0.015 mm |
| Runout | 0.030 mm | 0.010 mm |
| Tooth surface finish | Ra 1.6 µm | Ra 0.4 µm (ground) |
| Module range | m0.5–m8 | m1–m6 |
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.
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.
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.
CNC Gear Cutting Tolerances & Surface Finish
Gear features are produced to a specified DIN/AGMA accuracy class, with profile and lead controlled for quiet, durable running under load.
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.
CNC Gear 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.
Design Tips for CNC Gear Cutting Monel 400
We are happy to suggest design tweaks that improve manufacturability. Providing complete gear data (module, pressure angle, profile shift, quality class) lets us produce Monel 400 gears right the first time. If you send your model early, we will return practical DFM feedback before you commit to production.
Applications of CNC Gear Cutting Monel 400
Customers order CNC Gear 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 Gear 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 Gear 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 tolerances can you hold for CNC Gear Cutting Monel 400?
Achievable tolerances for Monel 400 gear cutting depend on the alloy, geometry and feature size. We hold tight, repeatable tolerances appropriate to the feature and material. Exact figures are confirmed against your drawing callouts.
Which industries use CNC Gear Cutting Monel 400 parts?
CNC Gear Cutting Monel 400 parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise Monel 400 components are required.
What is the typical lead time and minimum order for CNC Gear Cutting Monel 400?
CNC Gear Cutting prototypes for Monel 400 can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.
Does CNC Gear Cutting Monel 400 require dedicated tooling?
Most Monel 400 gear cutting 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 Monel 400 with CNC Gear Cutting?
Surface finish on Monel 400 is controlled to your specification; we confirm the achievable Ra against your callout.