ALLOYS

P5 (P5, WP5, F5) (5%Cr • 1/2%Mo)​

P5 is a chromium alloy used for its strong resistance to hot sulfide corrosion cracking. 5% chromium material has a higher minimum mechanical properties than 1 1/4% and 2 1/4% chromium, which makes the material ideal for high temperature and pressure applications.

In addition, 5% chromium can be used for elevated temperatures and corrosion resistant process and service.Typical temperatures applications range from -20° to 1200° F.

Availability – P5

Seamless Pipe: 1/2” – 24”

Butt-Weld Fittings: 1/2” – 24”

Flanges: 1/2” – 24” Pressure

Fittings: 1/8” – 4”

Specifications – P5

ASTM / ASME A335, A182, A2344

Chemical Composition – P5

C Cr Mn Mo P S Si
Max Max Max Max Max
0.15% 4.00%-6.00% .30% – .60% .44% – .60% 0.030% 0.030% 0.50%

Typical Applications – P5

  • Petrochemical and refinery installations
  • Delayed cokers
  • Hydrocrackers
  • Cat reformer
  • Heater drain systems

Tensile Requirements – P5

Tensile Strength (KSI): 60

Yield Strength (KSI): 30

KSI can be converted to MPA (Megapascals) by multiplying by 6.895.





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