Stainless steel 17-4 PH combines corrosion resistance with aerospace-grade strength. CNC machining delivers high precision mechanical components that can be heat treated to meet demanding performance specifications.
Stainless steel 17-4 PH is selected for CNC machined parts that require high strength, toughness, and corrosion resistance in a single material. It responds well to a range of heat treatment conditions, making it highly adaptable for performance-critical assemblies.
Stainless Steel 17-4 PH combines high strength with excellent corrosion resistance and can be heat treated to multiple hardness conditions, delivering maintains dimensional stability after aging for demanding applications. From rapid prototyping to production runs, teams rely on Stainless Steel 17-4 PH to maintain tight tolerances while reducing assembly complexity through consolidated part designs.
Dedicated additive manufacturing cells optimized for production throughput and dimensional control.
Build Volume
1000 x 600 x 500 mm
Max part size
Lead Time
12-16 business days
Standard production
Layer Height
N/A (subtractive)
Resolution
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Manufactured in Forge Labs' North American production centers with serialized traceability for Stainless Steel 17-4 PH.
Navigate directly to the property tables and grab the latest datasheet for your build review.
Trusted for Aerospace and Defense programs requiring high strength with excellent corrosion resistance. Property signals below show why teams rely on it when uptime matters.
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Stainless Steel 17-4 PH keeps Aerospace programs moving: Flight ready fittings, locking mechanisms, and bearing housings.
Mechanical: Ultimate Tensile Strength: 1275 MPa. Steam-managed DFM validates each CNC Machining build package for Aerospace Hardware.
Stainless Steel 17-4 PH keeps Aerospace programs moving: Press tools, molds, and die components needing high strength.
Thermal: Thermal Conductivity: 16.0 W/m-K. Steam-managed DFM validates each CNC Machining build package for High Load Tooling.
Stainless Steel 17-4 PH keeps Aerospace programs moving: Precision shafts and couplings with corrosion resistance.
Physical: Density: 7.75 g/cm3. Steam-managed DFM validates each CNC Machining build package for Performance Shafts.
High strength stainless component after machining
Precision Housing
Surface finish detail on precipitation hardened stainless
Surface Finish
Multi-axis machining of stainless steel component
Machining Process
Stainless Steel 17-4 PH delivers dependable strength and impact resistance for High strength shafts and couplings and Precision tooling and die inserts, helping teams move from prototype to production with confidence.
Mechanical Properties
1275 MPa
Tested to ASTM A693 H900
Stainless Steel 17-4 PH records Ultimate Tensile Strength at 1275 MPa, reinforcing its mechanical properties story.
Mechanical Properties
1060 MPa
Tested to ASTM A693 H900
Stainless Steel 17-4 PH records Yield Strength at 1060 MPa, reinforcing its mechanical properties story.
Mechanical Properties
1380 MPa
Stainless Steel 17-4 PH records Flexural Strength at 1380 MPa, reinforcing its mechanical properties story.
Stainless Steel 17-4 PH combines High strength with excellent corrosion resistance and Can be heat treated to multiple hardness conditions to support High strength shafts and couplings and Precision tooling and die inserts that demand production-ready durability.
| Measurement | Stainless Steel 17-4 PHBase | Standard |
|---|---|---|
| Ultimate Tensile Strength | 1275 MPa | ASTM A693 H900 |
| Yield Strength | 1060 MPa | ASTM A693 H900 |
| Flexural Strength | 1380 MPa | — |
| Elastic Modulus | 200 GPa | ASTM E111 |
| Elongation at Break | 10 % | ASTM E8 |
| Hardness | 38 HRC | ASTM E18 |
Stainless Steel 17-4 PH delivers dependable strength and impact resistance for High strength shafts and couplings and Precision tooling and die inserts, helping teams move from prototype to production with confidence.
Stainless Steel 17-4 PH delivers exceptional mechanical performance with excellent strength characteristics, effectively handling demanding load conditions. Its balanced mechanical profile allows it to maintain structural integrity while preventing brittleness in critical applications.
These qualities make it well-suited for High strength shafts and couplings, Precision tooling and die inserts, and Aerospace latch and hinge mechanisms, providing long-term durability in demanding environments. Stainless Steel 17-4 PH maintains dimensional stability over time, ensuring consistent performance across temperature and stress variations.
This makes it a reliable choice for applications requiring precise geometries and tight tolerances across Aerospace, Defense, and Industrial Equipment. Its versatility and durability allow it to perform consistently across a wide range of mechanical applications, ensuring parts maintain their integrity under repetitive stress and environmental conditions.
Stainless Steel 17-4 PH combines High strength with excellent corrosion resistance and Can be heat treated to multiple hardness conditions to support High strength shafts and couplings and Precision tooling and die inserts that demand production-ready durability.
Key metric
1275 MPa
Tested to ASTM A693 H900
Key metric
1060 MPa
Tested to ASTM A693 H900
Key metric
1380 MPa
Detailed mechanical measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.
Stainless Steel 17-4 PH offers consistent density and surface quality so critical features hold tolerances and downstream finishing remains predictable.
Stainless Steel 17-4 PH exhibits a density of 7.75 g/cm3 that contributes to lightweight yet durable parts. Its low moisture absorption ensures dimensional stability in varying environmental conditions.
These physical properties enable consistent part quality and predictable performance across High strength shafts and couplings, Precision tooling and die inserts, and Aerospace latch and hinge mechanisms. The material's inherent characteristics minimize warpage and maintain tight tolerances throughout the part lifecycle.
For Aerospace, Defense, and Industrial Equipment, these physical attributes translate to reliable production outcomes with minimal post-processing requirements, ensuring parts meet specifications straight from the build platform.
Stainless Steel 17-4 PH delivers 7.75 g/cm3 density and Ra 1.0 micrometers surface finish so assemblies fit and finish without secondary rework.
Key metric
7.75 g/cm3
Tested to ASTM A693
Key metric
Ra 1.0 micrometers
Tested to ISO 4287
Key metric
Very good
Tested to ASTM G48
Detailed physical properties measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.
Stainless Steel 17-4 PH maintains dimensional stability through temperature swings, making it a reliable option for Aerospace and Defense programs that see repeated thermal cycling.
Stainless Steel 17-4 PH demonstrates excellent thermal stability with robust heat resistance, enabling it to maintain dimensional accuracy in elevated temperature environments. This thermal performance ensures parts retain their shape and mechanical properties even under thermal stress.
The material's thermal characteristics make it ideal for High strength shafts and couplings, Precision tooling and die inserts, and Aerospace latch and hinge mechanisms that experience temperature fluctuations. Its ability to withstand thermal cycling without degradation ensures long-term reliability in Aerospace, Defense, and Industrial Equipment.
With an operating temperature range up to 315 °C, Stainless Steel 17-4 PH provides engineers with confidence when designing parts for thermally demanding applications, from under-hood automotive components to industrial equipment exposed to heat sources.
Stainless Steel 17-4 PH maintains geometry with a Maximum Service Temperature of 315 °C, protecting dimensional integrity during heat cycling.
Key metric
16.0 W/m-K
Tested to ASTM E1461
Key metric
10.8 um/m-K
Tested to ASTM E228
Key metric
0.46 kJ/kg-K
Tested to ASTM E1269
Detailed thermal properties measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.
Stainless Steel 17-4 PH provides predictable electrical behavior for housings and functional prototypes that need controlled resistivity and dielectric strength.
Stainless Steel 17-4 PH provides predictable electrical properties, making it suitable for electrical housings and insulators. The material's insulation properties ensure reliable performance in electrical assemblies.
These electrical characteristics enable its use in High strength shafts and couplings, Precision tooling and die inserts, and Aerospace latch and hinge mechanisms where electrical performance is critical. The material maintains consistent electrical properties across its operating temperature range, ensuring stable performance in varying conditions.
For Aerospace, Defense, and Industrial Equipment requiring precise electrical behavior, Stainless Steel 17-4 PH delivers the consistency and reliability needed for functional prototypes and production parts that interact with electrical systems.
Stainless Steel 17-4 PH posts 8.00e-07 ohm-m Electrical Resistivity, giving enclosures dependable insulating performance.
Key metric
8.00e-07 ohm-m
Tested to ASTM B193
Detailed electrical properties measurements live in the performance dashboard above. Switch tabs to compare against other materials instantly.
Equip your team with certification packs, design guides, and spec sheets tailored to Stainless Steel 17-4 PH.
Access the most recent datasheet and supporting documentation maintained by our engineering team.
Explore printable geometry recommendations, wall thickness tips, and finishing playbooks for CNC Machining.
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Advanced Manufacturing
Stainless Steel 17-4 PH is manufactured using advanced CNC Machining technology, ensuring optimal material properties and dimensional accuracy.
Stainless Steel 17-4 PH runs on industrial FDM platforms with heated chambers, hardened extrusion paths, and qualified material profiles to guarantee consistent layer adhesion and mechanical integrity.
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