15-5 PH Stainless Steel – High Strength and Hermetic Integrity
Advanced Hermetic Solutions utilizes 15-5 PH stainless steel (UNS S15500) in hermetic enclosures requiring elevated strength, corrosion resistance, and precision sealing under mechanical stress.
Material Properties
- UNS Designation: S15500
- Density: 7.78 g/cm³
- Melting Point: 1,400°C (2,552°F)
- Thermal Conductivity: 18 W/m·K
- Electrical Resistivity: 0.0008 Ω·cm
- Modulus of Elasticity: 200 GPa
- Ultimate Tensile Strength: Up to 1,310 MPa (190 ksi)
- Yield Strength: Up to 1,172 MPa (170 ksi)
- Elongation: 10% in 50 mm
- Hardness: Up to 44 HRC
- Corrosion Resistance: Comparable to 304 and 316L stainless steel
- Heat Treatment: Precipitation hardened (H900–H1150 conditions)
Applications in Hermetic Engineering
Aerospace Assemblies
Commonly used in flight-rated feedthrough housings, sensor mounts, and pressurized components requiring high fatigue resistance and strength-to-weight ratios.
Medical Device Packaging
Ideal for implantable battery enclosures, sterilizable sensor housings, and other biocompatible components requiring structural stability and corrosion resistance.
Sealing Hardware & Flanges
Used in precision-machined sealing interfaces, including flanges and closures subjected to high-pressure differentials and thermal cycling.
Typical Industry Applications
- Hermetically sealed avionics enclosures
- Precision actuator housings in aircraft and spacecraft
- Defense-grade sensor enclosures and military-grade instrumentation
- Valve components in corrosive chemical processing systems
- Bone fixation and surgical instrumentation requiring both strength and biocompatibility
Explore 15-5 PH Stainless Steel for Your Sealing Needs
Partner with Advanced Hermetic Solutions to develop durable, precision-engineered 15-5 PH components for aerospace, medical, and industrial markets.
Get in Touch