VT machining offers CNC Surface Grinding for Incoloy 825 (UNS N08825 / 2.4858), typically supplied annealed. Mo and Cu added for sulfuric and phosphoric acid resistance.
CNC Surface Grinding Notes for Incoloy 825
Incoloy 825 is ground with aluminium-oxide or CBN wheels chosen for its hardness (~75-90 HRB).
Process Data for CNC Surface Grinding Incoloy 825
| Wheel (supply condition) | Ceramic aluminium oxide, very soft grade |
|---|---|
| Depth per pass (rough / finish) | 0.01-0.03 / 0.002-0.005 mm |
| Achievable finish | Ra 0.2-0.4 µm |
| Typical size tolerance | Flatness 0.002-0.005 mm, thickness ±0.002 mm |
| Thermal growth, 200 mm part, +2 °C | 5.2 µm (CTE 13 µm/m·K) |
Typical values for Incoloy 825, Annealed; confirmed on the first part.
Incoloy 825 Data Relevant to CNC Surface Grinding
| Equivalent designations | UNS N08825 / 2.4858 |
|---|---|
| Typical supply condition | Annealed |
| Hardness (typical) | ~75-90 HRB |
Typical values; we work to your drawing and mill certificate.
More on CNC Surface Grinding Inconel
Finishing options, quality documentation and general cnc surface grinding guidance for all inconel grades are on our CNC Surface Grinding Inconel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Surface Grinding Incoloy 825
Send a STEP/IGES model or PDF drawing, confirm Incoloy 825 and its condition (we usually see it supplied annealed), the quantity, critical tolerances and any finish or certificate requirements.
Incoloy 825 in Other Processes
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Send the drawing, the Incoloy 825 condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
Which industries use CNC Surface Grinding Incoloy 825 parts?
CNC Surface Grinding Incoloy 825 parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise Incoloy 825 components are required.
Does CNC Surface Grinding Incoloy 825 require dedicated tooling?
Most Incoloy 825 grinding work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
What is CNC Surface Grinding Incoloy 825 and how is it done?
CNC Surface Grinding Incoloy 825 refers to surface grinding produces flat, parallel faces with fine finish using a horizontal abrasive wheel. Applied to Incoloy 825 — high-temperature strength and oxidation resistance — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
Can VT machining make custom Incoloy 825 parts to my drawing?
Yes. Incoloy 825 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.