VT machining offers CNC Turning for Hastelloy C22 (UNS N06022 / 2.4602), typically supplied annealed. More Cr than C276 so it also handles oxidising media.
CNC Turning Notes for Hastelloy C22
On the lathe Hastelloy C22 needs chip-breaker inserts and constant chip load to avoid long, stringy swarf.
For estimating, a 100 × 100 × 10 mm block of Hastelloy C22 weighs about 0.87 kg.
Starting Parameters for CNC Turning Hastelloy C22
| Cutting speed (carbide) | 15-40 m/min |
|---|---|
| Feed | 0.05-0.15 mm/rev |
| Spindle speed, Ø25 mm bar | 190-510 rpm |
| Insert / tool class | ISO S — sharp PVD-coated carbide |
| Coolant | High-pressure emulsion; ceramic inserts run dry for roughing |
Starting values for Hastelloy C22, Annealed; optimised on the first article.
Hastelloy C22 Data Relevant to CNC Turning
| Equivalent designations | UNS N06022 / 2.4602 |
|---|---|
| Key composition | Ni bal., Cr 20-22.5%, Mo 12.5-14.5%, W 2.5-3.5% |
| Typical supply condition | Annealed |
| Hardness (typical) | ~90 HRB |
| Machinability rating | 10% (AISI B1112 = 100%) |
Typical values; we work to your drawing and mill certificate.
How Hastelloy C22 Differs
More Cr than C276 so it also handles oxidising media.
Typical applications: Chemical reactors, flue-gas scrubbers.
Hastelloy C22 vs Similar Grades
| Hastelloy C22 | Incoloy 825 | Hastelloy C276 | Incoloy 800 | |
|---|---|---|---|---|
| Key composition | Ni bal., Cr 20-22.5%, Mo 12.5-14.5%, W 2.5-3.5% | Ni 38-46%, Cr 19.5-23.5%, Mo 2.5-3.5%, Cu | Ni bal., Mo 15-17%, Cr 14.5-16.5%, W 3-4.5% | Ni 30-35%, Cr 19-23%, Fe bal. |
| Hardness | ~90 HRB | ~75-90 HRB | ~90 HRB | ~75-85 HRB |
| Tensile (MPa) | ~790 | ~690 | ~790 | ~600 |
| Machinability % | 10 | 20 | 10 | 20 |
| Typical use | Chemical reactors, flue-gas scrubbers | Oil & gas, acid production, pickling | Chemical processing, pollution control | Heat exchangers, furnace parts |
More on CNC Turning Inconel
Finishing options, quality documentation and general cnc turning guidance for all inconel grades are on our CNC Turning Inconel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Turning Hastelloy C22
Send a STEP/IGES model or PDF drawing, confirm Hastelloy C22 and its condition (we usually see it supplied annealed), the quantity, critical tolerances and any finish or certificate requirements.
Hastelloy C22 in Other Processes
Related
Send the drawing, the Hastelloy C22 condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What is CNC Turning Hastelloy C22 and how is it done?
CNC Turning Hastelloy C22 refers to cNC turning rotates the workpiece against a single-point tool to produce cylindrical features, threads and grooves. Applied to Hastelloy C22 — high-temperature strength and oxidation resistance — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
What surface finish is achievable on Hastelloy C22 with CNC Turning?
Surface finish on Hastelloy C22 is controlled to your specification; we confirm the achievable Ra against your callout.
Why is Hastelloy C22 a good choice for CNC Turning?
Hastelloy C22 is high-temperature strength and oxidation resistance, which makes it well suited to CNC Turning. We tune the process to the alloy so the finished Hastelloy C22 turning part meets your dimensional and functional requirements.
What is the typical lead time and minimum order for CNC Turning Hastelloy C22?
CNC Turning prototypes for Hastelloy C22 can be produced quickly and scaled to series production. Send your drawing and quantity and we will advise lead time and any minimum order.
What tolerances can you hold for CNC Turning Hastelloy C22?
Achievable tolerances for Hastelloy C22 turning depend on the alloy, geometry and feature size. Turning holds diameter tolerances to around ±0.005 mm with concentricity within 0.01 mm. Exact figures are confirmed against your drawing callouts.