Difficult-Alloy Precision CNC Machining
Precision 17-4 PH CNC Machining Services
Complex Geometry. Tight Tolerances. Full Traceability.
We are AXALLOY Precision, a specialized CNC machining partner for difficult-to-machine alloys. We manufacture complex, high-value 17-4 PH stainless steel components for international engineering, procurement, and quality teams.
From rapid prototype validation to controlled low-volume and repeat production, we deliver reliable manufacturing routes backed by comprehensive quality documentation.
Why Choose AXALLOY for 17-4 PH CNC Machining?
17-4 PH (Precipitation-Hardening) stainless steel offers an exceptional combination of high strength, corrosion resistance, and mechanical properties. However, its hardness and behavior during heat treatment require a highly controlled machining environment.
We don't just cut metal; we engineer the manufacturing process. For every 17-4 PH project, we evaluate material behavior, geometry, tolerances, and surface requirements before the first chip is made.
Heat Treatment & Dimensional Stability
We account for the specific shrinkage and scaling that occurs when aging 17-4 PH from Condition A to conditions like H900 or H1150, ensuring final tolerances are held down to ±0.005 mm.
Advanced Equipment
We utilize highly rigid 3-axis, 4-axis, and 5-axis CNC milling, alongside multi-axis mill-turn centers, to handle the tough cutting conditions of precipitation-hardened steels while minimizing setups.
Engineering First
Before production, our engineers provide comprehensive drawing reviews, DFM (Design for Manufacturability) feedback, and fixture planning to guarantee a stable production route.
Our 17-4 PH Machining Capabilities
We support demanding industries — including Aerospace, Medical Devices, Energy, and Semiconductor Equipment — with capabilities designed for critical applications.
CNC Milling & Turning Performance
- Multi-Axis Milling: 3-, 4-, and 5-axis machining for complex contours, pockets, and thin walls (down to 0.5 mm).
- Mill-Turn & Swiss: Up to 9-axis mill-turn and 7-axis Swiss CNC turning for complex rotational components with fewer setups.
- Precision Tolerances: Standard ±0.010 mm; Precision down to ±0.005 mm.
- True Position & Concentricity: Down to 0.010 mm and 0.008 mm, respectively.
- Surface Finish: Standard Ra 1.6 μm; Precision Ra 0.8 μm; Grinding down to Ra 0.2 μm.
- Special Processes: Wire EDM, Sinker EDM, precision grinding, passivation, marking, and assembly.
Production Volumes & Lead Times
Expedited services are available for time-critical projects.
Uncompromising Quality & Documentation
We understand that for OEMs and Tier 1/Tier 2 suppliers, the documentation is just as important as the physical part. AXALLOY provides the exact inspection evidence and traceability required by your quality managers.
Inspection Equipment
- Temperature-controlled inspection room
- CMM (Measuring range up to 700×1000×600 mm, Accuracy up to 1.8 + L/300 μm)
- Optical measurement, surface roughness testers, and hardness testing (Rockwell, Brinell, Vickers)
Available Quality Documentation
- Material Test Reports (MTR) / Mill Test Certificates
- First Article Inspection Reports (FAI)
- Full Dimensional Inspection Reports & Ballooned Drawings
- Heat Treatment & Coating Certificates
- Certificate of Conformance (CoC)
- Full Material and Lot Traceability
Ideal Applications for 17-4 PH Parts
Due to its high strength and excellent corrosion resistance, we frequently machine 17-4 PH for:
Aerospace
Actuator components, landing gear parts, and structural fittings.
Medical Devices
Surgical instruments and high-strength orthopedic components.
Oil, Gas & Marine
Pump shafts, valve bodies, and high-pressure fittings.
Industrial Equipment
Precision fasteners, gears, and automation components.
Ready to Start Your Project?
AXALLOY is the best-fit partner for projects that demand manufacturability, process control, and dependable communication.
What we need for an accurate quote:
- 13D CAD Models (STEP, IGES, X_T, SLDPRT)
- 22D Drawings (PDF, DWG) with identified critical features and tolerances
- 3Material requirements (e.g., 17-4 PH Condition A vs. H900)
- 4Required quantities and quality documentation requirements
Our engineering team will review your files and provide a detailed, technical response and quotation.
Maximum upload size: 500 MB per RFQ. We accept both Metric and Imperial units.
AXALLOY Precision — Your reliable manufacturing partner for difficult-to-machine alloys.