AXALLOY Precision
Semiconductor Stainless Steel Parts
Precision CNC machining of stainless components for semiconductor equipment and high-purity assemblies. We make complex, low-risk parts in 304/316L, 15-5/17-4 PH, A286, duplex and other stainless grades with the documentation, cleanliness and dimensional control semiconductor teams expect.
We are AXALLOY Precision, a Shenzhen-based partner focused on difficult alloys and demanding geometries. We support engineering, procurement and quality teams from first article through repeat production, with dependable communication and complete quality records.
What you get when you build semiconductor stainless steel parts with us
Stable, predictable parts across revisions and lots
We design fixtures, control heat input, and plan sequences to keep thin walls straight, sealing faces flat and holes true position. Your qualification data remains valid lot to lot.
Measurable cleanliness and burr control
We combine chip-evacuation strategies, conservative deburring and cleaning support so sharp edges, threads and cross-holes are clean and free of media. This reduces assembly rework and contamination risk.
Dimensional evidence you can trust
First Article Inspection and full dimensional reports from calibrated equipment (CMM, optical and surface roughness). You receive clear, export-ready documentation to close out receiving inspection quickly.
Faster learning cycles without sacrificing control
Prototype in 5-10 business days and standard production in 10-20 business days, with expedited options. Shorter machining lead times let you test fits, confirm sealing and qualify processes earlier—without compromising traceability or inspection depth.
Lower cumulative risk on complex builds
Multi-axis milling and mill-turn reduce setups and stack-up error. Tighter feature relationships mean fewer downstream tweaks, fewer leaks at O-rings and cleaner alignment in manifolds and vacuum interfaces.
Communication that reduces surprises
We flag tolerance risks early, confirm critical features and align on inspection plans before cutting chips. You get proactive updates instead of last-minute escalations.
Typical semiconductor stainless steel applications we support
Gas Delivery
Valve bodies, MFC/manifold blocks, fittings, nozzles and precision connectors
Vacuum Hardware
Flanges, adapter plates, sealing rings, clamp components and view-port rings
Process Tooling
Carriers, brackets, alignment plates, nests and precision interfaces
Fluid Control
High-pressure sleeves, shafts, bushings and threaded components
Metrology and Fixturing
Ground plates, reference blocks and low-distortion sub-assemblies
How we machine stainless for semiconductor requirements
Our process engineering focuses on the geometry, surface integrity and cleanliness requirements unique to semiconductor hardware.
Process planning around geometry and surfaces
We evaluate thin walls, deep pockets, critical flatness, positional tolerances and surface finish requirements before defining the route (3/4/5-axis milling, turning, mill-turn, grinding, EDM).
Distortion and finish control
Balanced stock removal, stress-relief/heat-treat when needed, and guarded workholding minimize pull-up and bow. We finish sealing faces by grinding where required (down to Ra 0.2 μm).
Clean features and threads
Through-spindle coolant, chip-breaking strategies and thread milling where appropriate yield cleaner threads and cross-holes. Deburring is targeted to maintain edges you specify (sharp, broken, or chamfered).
Corrosion resistance and identification
Passivation per your callout, clear part marking and lot/material traceability. Cleaning and protective packaging support are available to match your receiving process.
Semiconductor stainless steel machining parameters
| Capability Category | AXALLOY Standard Capability |
|---|---|
| Production volume | 1-10,000+ parts (prototype to repeat low-volume) |
| Standard tolerance | ±0.010 mm; precision to ±0.005 mm |
| Angular tolerance | Standard ±0.5°; precision ±0.1° |
| Position tolerance | Down to 0.010 mm |
| Flatness | Down to 0.005 mm |
| Concentricity | Down to 0.008 mm |
| Surface finish (machined) | Ra 1.6 μm standard; Ra 0.8 μm precision |
| Surface finish (ground) | Down to Ra 0.2 μm |
| Minimum wall thickness | 0.5 mm |
| Minimum machined hole | Ø0.5 mm |
| Minimum thread size | M1.0 |
| Milling envelope (3-axis) | 1,000 × 600 × 600 mm; up to 800 kg |
| Milling envelope (5-axis) | Ø500 × 400 mm |
| Turning envelope | Ø500 × 1,000 mm; bar to Ø80 mm |
| Mill-turn envelope | Ø400 × 800 mm; bar to Ø65 mm |
| EDM (wire) | Accuracy to ±0.005 mm; min kerf 0.15 mm; Ra down to 0.8 μm |
| Grinding | Tolerance to ±0.002 mm; roundness to 0.002 mm |
Stainless steel grades we machine for semiconductor parts
| Group | Typical Grades |
|---|---|
| Austenitic | 304, 316L, 321 |
| Precipitation-hardening | 15-5 PH, 17-4 PH |
| Heat-resistant / high temp | A286 |
| Duplex | Duplex 2205, Super Duplex 2507 |
| Nitronic | Nitronic 50/60 |
| Martensitic / tool interfaces | 410, 420, 440C |
If you require other specialty alloys for adjacent parts (e.g., MP35N, cobalt chrome, titanium), we can support mixed-material builds and document each lot separately.
Inspection, reporting and traceability
| Quality Element | Availability |
|---|---|
| CMM (700 × 1,000 × 600 mm), accuracy | Up to 1.8 + L/300 μm |
| Optical measurement | ±0.002 mm |
| Surface roughness measurement | Ra 0.05-40 μm |
| Hardness testing | Rockwell, Brinell, Vickers |
| First Article Inspection (FAI) | Available |
| Full dimensional report | Available (ballooned drawing on request) |
| Material certificates | MTR/MTC with lot traceability |
| Special process records | Passivation, heat treat, coating certificates |
| Inspection environment | Temperature-controlled room |
| Custom inspection plans | Available on request |
These records shorten your receiving cycle and provide evidence for equipment release and audits.
Lead times and how speed reduces risk
Prototypes in 5-10 business days
Earlier gauge and fit checks get you to design validation faster, catching sealing or interference issues before they cascade.
Standard production in 10-20 business days
Predictable deliveries help you align with chamber builds, FAT schedules and slot-controlled installs.
Expedited service available
When you face line-down or critical hot builds, we compress setups and inspection sequencing to recover schedule with documented quality.
DFM and project transfer support
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Drawing and tolerance review to highlight cost-risk features before machining
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Fixture and process planning to stabilize thin walls and sealing surfaces
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Transparent change logs for revisions and repeat orders
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Controlled transfer from underperforming suppliers, with side-by-side FAI and risk mitigation
File formats and RFQ checklist
| Item | Supported / Requested |
|---|---|
| 3D CAD | STEP/STP, IGES/IGS, X_T/X_B, SLDPRT, SAT |
| 2D drawings | PDF, DWG, DXF (include units) |
| References | JPG, PNG, TIFF |
| Upload size | Up to 500 MB per RFQ |
| Materials | Specify grade (e.g., 316L, 17-4 PH H900, A286) and condition |
| Quantities | Prototype and production splits (e.g., 5 pcs now, 60 pcs/quarter) |
| Critical features | Identify sealing faces, datum scheme, GD&T and target Ra |
| Threads/ports | Call out standards (e.g., NPT, VCR, BSPP) and cleanliness requirements |
| Special processes | Passivation spec (e.g., per your internal or ASTM A967), heat treat, coating |
| Inspection | FAI required? Full dimensional? Sampling plan? |
| Packaging | Bagging/labeling, desiccant, separators, export-ready requirements |
| Target date | Desired ship date and any milestones (FAI approval, PPAP-equivalent if applicable) |
| Contact | Engineering and quality contacts for DFM and plan approval |
Providing these inputs up front lets us finalize a robust process plan and quote quickly.
Ready to quote your semiconductor stainless steel parts?
Send your RFQ with 2D drawings, 3D models and requirements. We will review manufacturability, flag risks, propose an inspection plan and return a clear, no-surprise quote with lead time options.
AXALLOY Precision — CNC machining for stainless steel parts used in semiconductor equipment, with the process control, documentation and communication your teams depend on.