15-5PH (UNS S15500)
Precipitation hardening stainless steel 15-5PH
Characteristics of 15-5PH:
15-5PH is a kind of precipitation hardening stainless steel. It is also treated as a martensite stainless steel and chromium-nickel-copper stainless steel. 15-5PH is characterized by excellent surface smoothness, good dimensional stability, high strength, great machinability, good toughness in both base metal and welds as well as good mechanical properties at temperatures up to 600°F (316°C). To some extents, it can resist the corrosion of ordinary environment.Chemical compositions of 15-5PH (%):
C
Si
Mn
P
S
Ni
Cr
Cu
Nb
≤0.07
≤1.00
≤1.00
≤0.040
≤0.030
3.50~5.50
14.00~15.50
2.50~4.50
0.15~0.45
Mechanical properties of 15-5PH:
Tensile strength σb (MPa)
≥550
Yield strength σ0.2 (MPa)
≥200
Elongation δ5 (%)
≥40
Reduction of area ψ (%)
≥55
Hardness (HB)
≤187
Heat treatment of 15-5PH:
Solution treatment is carried out in the heat treating process. Heat it to the temperature above 1000℃. Hold the temperature for a certain time, followed by water quenching and aging. The aging temperature should be 60~100℃ higher than the operating temperature.Applications of 15-5PH:
The typical applications of 15-5PH include aerospace, chemical, petrochemical, food processing, paper, general metalworking industries and so on.For further information on selection, application, heat treatment and inventory, please feel free to contact us. Your inquiries about our precipitation hardening stainless steel and other stainless steel are highly appreciated. We will serve you with our honesty, integrity and professionality.
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