VT machining specialises in CNC Cylindrical Grinding Hastelloy C276. Because Hastelloy C276 is high-temperature strength and oxidation resistance, and its machinability is very difficult; rigid setups, carbide/ceramic tooling, low speeds, we plan each job around the grade to protect accuracy and surface quality.
CNC Cylindrical Grinding Capability for Hastelloy C276
- High-temperature strength
- Oxidation resistant
- Tolerance to ±0.01 mm
- Aerospace-grade
Hastelloy C276 Material Data
| Density | 8.19 g/cm³ |
|---|---|
| Tensile strength | 1375 MPa |
| Yield strength (0.2%) | 1100 MPa |
| Hardness | 36–44 HRC |
| Melting point | 1260–1336 °C |
| Thermal conductivity | 11.4 W/m·K |
| Thermal expansion | 13.0 ×10⁻⁶/K |
| Electrical conductivity | 1.4% |
| Machinability (C36000 = 100%) | 12–15% |
| Grades we run | 600, 625, 718, X-750, 725 |
Published typical values for Inconel 718 (aged). Other grades in the family differ — the certificate supplied with your order carries the actual heat-lot figures.
Tool life is measured in minutes, not hours. Ceramic or coated-carbide tooling, low surface speed, high pressure coolant, and a scheduled tool change rather than waiting for failure.
Machining Hastelloy C276 with CNC Cylindrical Grinding
When grinding Hastelloy C276, machinability is very difficult; rigid setups, carbide/ceramic tooling, low speeds. Our process plan reflects this so the finished part holds its tolerances without distortion or poor finish.
Documented parameters for Hastelloy C276 mean predictable cycle times and stable, repeatable results.
Achievable Tolerances for CNC Cylindrical Grinding Hastelloy C276
| Feature | Standard | Precision |
|---|---|---|
| Size (OD, ID, thickness) | ±0.005 mm | ±0.002 mm |
| Flatness over 100 mm | 0.010 mm | 0.003 mm |
| Parallelism | 0.010 mm | 0.003 mm |
| Roundness | 0.005 mm | 0.002 mm |
| Squareness | 0.010 mm | 0.005 mm |
| Surface finish | Ra 0.4 µm | Ra 0.1 µm |
| Workpiece hardness | up to 62 HRC | up to 65 HRC |
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 Cylindrical Grinding Hastelloy C276
Small design adjustments often cut cost and lead time. Allowing adequate grind stock, specifying realistic flatness over the true datum, and relieving corners help us hit tight tolerances on Hastelloy C276 efficiently. If you send your model early, we will return practical DFM feedback before you commit to production.
Why Hastelloy C276?
Customers select Hastelloy C276 for CNC Cylindrical Grinding because it is high-temperature strength and oxidation resistance. We handle grade verification and any required heat treatment or finishing.
CNC Cylindrical Grinding Quality & Inspection
Quality is built in, not inspected on. We monitor key features during the run and confirm them at final inspection, with CMM verification available for tight tolerances. We provide the inspection and traceability records your quality system requires.
CNC Cylindrical Grinding Tolerances & Surface Finish
Ground Hastelloy C276 reaches single-micron tolerances on size, flatness and parallelism, with surface finishes down to Ra 0.1–0.4 µm — and a near-mirror finish on suitable alloys.
Exact achievable figures depend on the alloy, the feature size and the part geometry. Tell us which dimensions are critical and we will advise feasibility up front.
Secondary Operations & Finishing
Most Hastelloy C276 parts need some finishing, which we manage in-house or through vetted partners. Options include deburring and edge-breaking, heat treatment, surface grinding, polishing, and plating or anodising for corrosion resistance and appearance. Give us the finished-part requirement and we will sequence every operation correctly.
Applications of CNC Cylindrical Grinding Hastelloy C276
Hastelloy C276 parts made this way are found throughout aerospace, medical, automotive, electronics and industrial equipment. Prototype, bridge and production volumes are all welcome.
How to Order CNC Cylindrical Grinding Hastelloy C276
Starting your project takes one email. Send your CAD or 2D drawing, the Hastelloy C276 grade and condition, the quantity and any finish or inspection requirements. We respond quickly with price, lead time and any DFM notes, in clear English.
Finishing Options for Hastelloy C276
| 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 Cylindrical Grinding Hastelloy C276
- 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 Hastelloy C276 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.
Hastelloy C276 in Other Processes
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Send the drawing, the Hastelloy C276 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 Cylindrical Grinding Hastelloy C276?
Achievable tolerances for Hastelloy C276 grinding depend on the alloy, geometry and feature size. Grinding routinely holds single-micron tolerances on diameter, flatness and parallelism. Exact figures are confirmed against your drawing callouts.
Can VT machining make custom Hastelloy C276 parts to my drawing?
Yes. Hastelloy C276 Hastelloy C276 grinding 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.
Does CNC Cylindrical Grinding Hastelloy C276 require dedicated tooling?
Most Hastelloy C276 grinding work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
What is CNC Cylindrical Grinding Hastelloy C276 and how is it done?
CNC Cylindrical Grinding Hastelloy C276 refers to cylindrical grinding finishes outer diameters of rotational parts to precise size and roundness. Applied to Hastelloy C276 — high-temperature strength and oxidation resistance — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.