Stainless Steel 17-4 PHPrecipitation Hardening Stainless Steel
Precipitation hardening stainless steel combining exceptional strength with good corrosion resistance. Ideal for high-performance applications requiring both mechanical properties and environmental durability.
Advanced Materials
Precipitation Hardened Stainless Steel
Stainless Steel 17-4 PH is a precipitation hardening martensitic stainless steel that offers an exceptional combination of high strength, good corrosion resistance, and excellent mechanical properties. After heat treatment (H900 condition), it achieves tensile strengths exceeding 1340 MPa while maintaining good ductility. This material is widely used in aerospace, medical, and high-performance applications where both strength and corrosion resistance are critical.
Critical Applications
From mission-critical aerospace components to precision medical implants, Stainless Steel 17-4 PH delivers unmatched performance in the most demanding applications. Its exceptional exceptional strength-to-weight ratio, good corrosion resistance in mild environments, heat treatable for optimized properties make it essential for applications where failure is not an option.
Precision Tools
High-strength tooling, fixtures, and precision components requiring durability
Aerospace Components
Structural components, brackets, and fasteners with high strength-to-weight ratio
Automotive Parts
High-performance engine components, transmission parts, and exhaust system hardware
Marine Hardware
Corrosion-resistant fasteners, propeller components, and marine equipment
Oil & Gas Equipment
Downhole tools, valve components, and corrosion-resistant equipment
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Technical Datasheet
Advanced Manufacturing
Built with Precision DMLS Technology
Stainless Steel 17-4 PH is manufactured using Direct Metal Laser Sintering (DMLS) technology, providing unmatched strength and precision for mission-critical applications.
Industrial-grade DMLS technology delivers exceptional strength and precision for Stainless Steel 17-4 PH production. Our advanced metal powder fusion process ensures optimal mechanical properties and surface quality.
- Layer Height: 0.02 - 0.06 mm. Fine layer resolution delivers smooth surface finish and precise feature definition.
- Tolerance: ± 0.1% (min ± 0.1 mm). Consistent dimensional accuracy across complex geometries and thin-wall features.
- Build Volume: 250 × 250 × 325 mm. Large production capacity enables efficient manufacturing of multiple parts or assemblies.
Technical Data
Mechanical Properties
Stainless Steel 17-4 PH exhibits excellent mechanical properties, making it ideal for functional prototypes and end-use parts that need to meet demanding performance requirements in aerospace and automotive applications.
Technical Specifications
| Measurement | Value | Standard |
|---|---|---|
| Tensile Strength (H900) | 1340 MPa | ISO/ASTM |
| Tensile Strength (As-Built) | 886 MPa | ISO/ASTM |
| Yield Strength (H900) | 1235 MPa | ISO/ASTM |
| Yield Strength (As-Built) | 861 MPa | ISO/ASTM |
| Elongation at Break (H900) | 13.5 % | ISO/ASTM |
| Elongation at Break (As-Built) | 20 % | ISO/ASTM |
| Hardness (H900) | 42 HRC | ISO/ASTM |
| Hardness (As-Built) | 24 HRC | ISO/ASTM |
Performance Characteristics
Stainless Steel 17-4 PH delivers exceptional mechanical performance with exceptional strength-to-weight ratio, 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-precision tooling and mechanical components, aerospace structural components and brackets, high-performance automotive parts, 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, automotive, marine industries. 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.
Key Strengths
Ideal Applications
Design Considerations
Technical Data
Thermal Properties
Stainless Steel 17-4 PH exhibits exceptional thermal stability, with a melting point of 1426-1482°C and outstanding performance in demanding thermal environments.
Technical Specifications
| Property | Value | Standard |
|---|---|---|
| Melting Point | 1426-1482 °C | ISO/ASTM |
| Thermal Expansion (25-100°C) | 10.4 ×10⁻⁶/K | ISO/ASTM |
| Thermal Expansion (25-300°C) | 11.4 ×10⁻⁶/K | ISO/ASTM |
Thermal Performance
Stainless Steel 17-4 PH's thermal properties ensure minimal dimensional deviation under fluctuating thermal conditions, making it highly suitable for applications requiring tight tolerances and structural integrity at elevated temperatures. Stainless Steel 17-4 PH maintains consistent mechanical performance even in thermally and environmentally variable conditions across aerospace and automotive and marine and oil & gas and industrial manufacturing and energy applications.
Its thermal conductivity and insulating properties make it an excellent candidate for electronic enclosures, protective housings, and thermal management applications. Stainless Steel 17-4 PH resists thermal fatigue and creep deformation, particularly in cyclic thermal loading environments.
Prolonged exposure to temperatures approaching its upper limit (1426-1482°C) may lead to gradual material degradation. In applications requiring sustained operation in high-temperature environments, consult with our engineering team for material recommendations and design guidelines.
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Operating Range
Thermal Benefits
Thermal Applications
Thermal Considerations
Technical Data
Electrical Properties
Electrical property data for Stainless Steel 17-4 PH is not currently available in our database.
Technical Specifications
| Property | Standard | Unit | Value |
|---|---|---|---|
| Electrical property data not available for this material. Contact our engineering team for specific electrical testing requirements. | |||
Electrical Performance
Electrical property data for Stainless Steel 17-4 PH is not currently available in our database. This material may not have been specifically tested for electrical applications, or the data may be available upon request.
If you require electrical performance data for your application, please contact our engineering team who can provide guidance on testing requirements and material suitability.
Resources
Electrical Applications
Electrical Considerations
Technical Data
Chemical Properties
Chemical compatibility data for Stainless Steel 17-4 PH is available upon request.
Chemical Compatibility Chart
| Chemical | Type | Compatibility |
|---|---|---|
| Chemical compatibility data available upon request. Contact our engineering team for specific chemical resistance information. | ||
Chemical Performance
Chemical compatibility data for Stainless Steel 17-4 PH is not currently available in our standard database. This material may not have been specifically tested for chemical resistance, or the data may be available upon request.
If your application involves exposure to chemicals, solvents, or other aggressive substances, please contact our engineering team who can provide guidance on material suitability and testing requirements.
We can arrange for application-specific chemical testing to ensure Stainless Steel 17-4 PH meets your performance requirements in chemically challenging environments.
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Resistance Categories
Chemical Considerations
Design Considerations
Material Datasheets
Download comprehensive technical documentation for Stainless Steel 17-4 PH, including safety data, compliance certificates, and design guidelines.
Technical Datasheets
Compliance Certificates
Design Resources
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