PH stainless steel XM-25 丨Custom 450
Stainless Steel XM-25, also known as Custom 450, is a martensitic age-hardenable stainless steel. It offers corrosion resistance comparable to Type 304 but boasts a threefold increase in yield strength. While its yield strength exceeds 100 ksi in the annealed state, the alloy remains easily fabricable. Through a single-step aging treatment, it achieves enhanced strength while maintaining excellent ductility and toughness.
PH stainless steel XM-25 / Custom 450 / UNS S45000
Applications:
- Pulp and paper industry
- Medical devices
- Aircraft parts
- Power generation applications
- Chemical processing
- Nuclear applications
Normal product forms:
- Sheets, bars, coils, and wires.
- Round, square, hex (A/F), rectangle, billet, ingot, forged, etc.
- Forged hollow bar, forged ring, forging blocks, forging shaft, forging discs & circles.
Specifications/Standard: AMS 5763, AMS 5773, AMS 5859, AMS 5863, ASTM A564 (XM-25), ASTM A693 (XM-25), ASTM A705 (XM-25)
Chemical Composition:
- Chromium (Cr): 14.00-16.00%
- Nickel (Ni): 5.00-7.00%
- Molybdenum (Mo): 0.50-1.00%
- Copper (Cu): 1.25-1.75%
- Iron (Fe): Balance
- Carbon (C): 0.05% max
- Manganese (Mn): 1.00% max
- Silicon (Si): 1.00% max
- Phosphorus (P): 0.030% max
- Sulfur (S): 0.030% max
Physical Constants and Thermal Properties
- Density: 0.280 lbs/in³, 7.75 g/cm³
- Modulus of Elasticity: 28 x 10^6 psi
- Coefficient of Thermal Expansion: 5.88 x 10^-6 /°F at 68-212°F
- Thermal Conductivity: 9.2 Btu/ft hr °F
- Specific Heat: 0.11 Btu/lb °F
- Electrical Resistivity: 42.4 Microhm-in
Mechanical Property:
- Yield Strength, min. (ksi): 95
- Tensile Strength, min. (ksi): 125
- Elongation, min. (%): 10
- Hardness, max (Rc): 32