17-4 PH H1025: Mechanical Properties and Applications
Overview of 17-4 PH H1025
17-4 PH H1025 is a type of precipitation-hardening stainless steel alloy that is widely used in various industries, including aerospace, chemical processing, and power generation. This alloy is known for its excellent mechanical properties, corrosion resistance, and high temperature resistance.
Mechanical Properties
The mechanical properties of 17-4 PH H1025 are as follows:
Tensile Strength
- Ultimate Tensile Strength (UTS): 1100-1300 MPa (160-190 ksi)
- Yield Strength (YS): 860-1030 MPa (125-150 ksi)
Yield Strength (0.2% Offset)
- 860-1030 MPa (125-150 ksi)
Elongation at Break
- 10-15%
Hardness
- Rockwell Hardness: 38-45 HRC
- Brinell Hardness: 375-425 HB
Density
- 7.8 g/cm³
Poisson's Ratio
- 0.27-0.30
Modulus of Elasticity
- 193-200 GPa (28-29 x 10^6 psi)
Physical Properties
Melting Point
- 1400-1450°C (2550-2640°F)
Specific Heat Capacity
- 500-520 J/kg°C (0.12-0.125 BTU/lb°F)
Thermal Conductivity
- 16.2-17.2 W/m-K (9.5-10 BTU/hr-ft-°F)
Applications
17-4 PH H1025 is used in various applications due to its excellent mechanical properties, corrosion resistance, and high temperature resistance. Some of the common applications include:
- Aerospace Industry: Used in engine components, fasteners, and other high-stress applications.
- Chemical Processing: Used in equipment and components that are exposed to corrosive environments.
- Power Generation: Used in turbine blades, fasteners, and other high-temperature applications.
- Oil and Gas Industry: Used in wellhead equipment, valves, and other high-pressure applications.
Conclusion
17-4 PH H1025 is a versatile and high-performance stainless steel alloy that offers excellent mechanical properties, corrosion resistance, and high temperature resistance. Its wide range of applications is a testament to its capabilities and suitability for various industries.
