VT machining offers CNC Precision Machining for 630 Stainless Steel (UNS S17400 / 1.4542 (=17-4 PH)), typically supplied condition A or H900-H1150. AISI/ASTM designation of 17-4 PH; precipitation-hardened at low temperature with little distortion.
CNC Precision Machining Notes for 630 Stainless Steel
630 Stainless Steel mills well with conventional strategies; finishing passes are planned to meet flatness and finish callouts.
For estimating, a 100 × 100 × 10 mm block of 630 Stainless Steel weighs about 0.78 kg.
Starting Parameters for CNC Precision Machining 630 Stainless Steel
| Cutting speed (carbide) | 90-165 m/min |
|---|---|
| Feed per tooth | 0.028-0.088 mm |
| Spindle speed, Ø6 mm end mill | 4770-8750 rpm |
| Insert / tool class | ISO M — positive-rake PVD/CVD carbide |
| Coolant | Flood emulsion (8-10%) or high-pressure coolant |
| Thermal growth, 100 mm part, +5 °C | 5.4 µm (CTE 10.8 µm/m·K) |
| Tightest practical tolerance | ±0.002-0.005 mm |
Starting values for 630 Stainless Steel, Condition A or H900-H1150; optimised on the first article.
Full material data for 630 Stainless Steel (UNS S17400 / 1.4542 (=17-4 PH)) is on the CNC Milling 630 Stainless Steel page.
More on CNC Precision Machining Stainless Steel
Finishing options, quality documentation and general cnc precision machining guidance for all stainless steel grades are on our CNC Precision Machining Stainless Steel page.
No drawing yet? Sketch the part in our free 3D + 2D builder and send it with your RFQ.
Quoting CNC Precision Machining 630 Stainless Steel
Send a STEP/IGES model or PDF drawing, confirm 630 Stainless Steel and its condition (we usually see it supplied condition A or H900-H1150), the quantity, critical tolerances and any finish or certificate requirements.
630 Stainless Steel in Other Processes
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Send the drawing, the 630 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 630 Stainless Steel parts to my drawing?
Yes. 630 Stainless Steel 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.
Why is 630 Stainless Steel a good choice for CNC Precision Machining?
630 Stainless Steel is corrosion resistant, strong and hygienic, which makes it well suited to CNC Precision Machining. We tune the process to the alloy so the finished 630 Stainless Steel machining part meets your dimensional and functional requirements.
What is the typical lead time and minimum order for CNC Precision Machining 630 Stainless Steel?
CNC Precision Machining prototypes for 630 Stainless Steel 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 Precision Machining 630 Stainless Steel?
Achievable tolerances for 630 Stainless Steel machining depend on the alloy, geometry and feature size. Milling holds positional and dimensional tolerances to around ±0.01 mm, tighter with precision setups. Exact figures are confirmed against your drawing callouts.
What is CNC Precision Machining 630 Stainless Steel and how is it done?
CNC Precision Machining 630 Stainless Steel refers to precision machining combines processes and inspection to hold the tightest dimensional and geometric tolerances. Applied to 630 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.