VT machining offers CNC Gear Hobbing for 431 Stainless Steel (UNS S43100 / 1.4057), typically supplied hardened & tempered. Best corrosion resistance of the martensitic grades with high toughness.
CNC Gear Hobbing Notes for 431 Stainless Steel
Gear teeth in 431 Stainless Steel are cut to your accuracy class; heat treatment is optional depending on load.
Process Data for CNC Gear Hobbing 431 Stainless Steel
| Heat-treat route | None (used as supplied) |
|---|---|
| Accuracy as cut | ISO 1328 class 8-9 (AGMA 9-10) |
| Module range | 0.3-6 |
| Hobbing speed (HSS-E / carbide) | 25 / 75 m/min |
| Hob | HSS-E (PM) coated hob; carbide for dry hobbing |
| Gear types | External spur and helical, splines, worm wheels |
Typical values for 431 Stainless Steel, Hardened & tempered; confirmed on the first part.
431 Stainless Steel Data Relevant to CNC Gear Hobbing
| Equivalent designations | UNS S43100 / 1.4057 |
|---|---|
| Typical supply condition | Hardened & tempered |
| Hardness (typical) | ~25-40 HRC |
| Tensile strength | ~860 (H&T) MPa |
Typical values; we work to your drawing and mill certificate.
More on CNC Gear Hobbing Stainless Steel
Finishing options, quality documentation and general cnc gear hobbing guidance for all stainless steel grades are on our CNC Gear Hobbing Stainless Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Gear Hobbing 431 Stainless Steel
Send a STEP/IGES model or PDF drawing, confirm 431 Stainless Steel and its condition (we usually see it supplied hardened & tempered), the quantity, critical tolerances and any finish or certificate requirements.
431 Stainless Steel in Other Processes
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Send the drawing, the 431 Stainless Steel condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
Why is 431 Stainless Steel a good choice for CNC Gear Hobbing?
431 Stainless Steel is corrosion resistant, strong and hygienic, which makes it well suited to CNC Gear Hobbing. We tune the process to the alloy so the finished 431 Stainless Steel gear cutting part meets your dimensional and functional requirements.
What surface finish is achievable on 431 Stainless Steel with CNC Gear Hobbing?
Surface finish on 431 Stainless Steel is controlled to your specification; we confirm the achievable Ra against your callout.
What is CNC Gear Hobbing 431 Stainless Steel and how is it done?
CNC Gear Hobbing 431 Stainless Steel refers to gear hobbing generates gear teeth with a rotating hob synchronized to the workpiece. Applied to 431 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.
What tolerances can you hold for CNC Gear Hobbing 431 Stainless Steel?
Achievable tolerances for 431 Stainless Steel 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.
Can VT machining make custom 431 Stainless Steel parts to my drawing?
Yes. 431 Stainless Steel gear cutting 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.