VT machining offers CNC Wire EDM for 440C Stainless Steel (UNS S44004 / 1.4125 / SUS440C), typically supplied annealed or hardened. Highest hardness/wear resistance of stainless; hardened parts are finish-ground.
CNC Wire EDM Notes for 440C Stainless Steel
Wire EDM cuts 440C Stainless Steel after final hardening, so profiles hold size without heat-treat distortion.
Process Data for CNC Wire EDM 440C Stainless Steel
| Area cutting rate (0.25 mm brass wire) | ~130 mm²/min |
|---|---|
| Linear speed at 10 mm thick | ~13 mm/min |
| Linear speed at 30 mm thick | ~4.3 mm/min |
| Linear speed at 60 mm thick | ~2.2 mm/min |
| Achievable accuracy | ±0.005 mm with 3-4 skim passes; Ra 0.4-0.8 µm |
Typical values for 440C Stainless Steel, Annealed or hardened; confirmed on the first part.
440C Stainless Steel Data Relevant to CNC Wire EDM
| Equivalent designations | UNS S44004 / 1.4125 / SUS440C |
|---|---|
| Hardness (typical) | Up to ~58-60 HRC |
| Density | 7.65 g/cm³ |
Typical values; we work to your drawing and mill certificate.
More on CNC Wire EDM Stainless Steel
Finishing options, quality documentation and general cnc wire edm guidance for all stainless steel grades are on our CNC Wire EDM Stainless Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Wire EDM 440C Stainless Steel
Send a STEP/IGES model or PDF drawing, confirm 440C Stainless Steel and its condition (we usually see it supplied annealed or hardened), the quantity, critical tolerances and any finish or certificate requirements.
440C Stainless Steel in Other Processes
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Send the drawing, the 440C Stainless Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
Can VT machining make custom 440C Stainless Steel parts to my drawing?
Yes. 440C Stainless Steel EDM machining 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.
What tolerances can you hold for CNC Wire EDM 440C Stainless Steel?
Achievable tolerances for 440C Stainless Steel EDM machining depend on the alloy, geometry and feature size. EDM holds tolerances to around ±0.002 mm with no cutting force on the part. Exact figures are confirmed against your drawing callouts.
What surface finish is achievable on 440C Stainless Steel with CNC Wire EDM?
Surface finish on 440C Stainless Steel is controlled to your specification; we confirm the achievable Ra against your callout.
Why is 440C Stainless Steel a good choice for CNC Wire EDM?
440C Stainless Steel is corrosion resistant, strong and hygienic, which makes it well suited to CNC Wire EDM. We tune the process to the alloy so the finished 440C Stainless Steel EDM machining part meets your dimensional and functional requirements.
What is CNC Wire EDM 440C Stainless Steel and how is it done?
CNC Wire EDM 440C Stainless Steel refers to wire EDM cuts conductive metal with a charged wire, achieving fine detail and tight tolerance with no cutting force. Applied to 440C Stainless Steel — corrosion resistant, strong and hygienic — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.