17-7PH (UNS S17700)

17-7PH Precipitation Hardening Stainless Steel
UNS S17700

Introduction

17-7PH (UNS S17700) is a kind of austenitic - martensitic stainless steel that can be precipited

and hardened, developed on the basis of 18-8CrNi. It is a kind of precipitation hardening stainless steel that is used for applications requiring high strength and a moderate level of corrosion resistance.


Properties
17-7PH (UNS S17700) provides high strength and hardness, excellent fatigue properties, good corrosion resistance, good formability, and minimumdistortion upon heat treatment. And its mechanical properties, corrosion resistance is higher than martensitic ones under intermediate temperature.

Chemical Composition of 17-7PH (UNS S17700) (%)
  Grade             C            Mn        Si           P              S                Cr          S               AI         
17-7PH  min.      --            - -          --            --             --              16.0        --            0.75         
             max.    0.09       1.0        1.00       0.035      0.030           18.0      0.030        1.50     

Application
This special alloy also provides benefits for other applications requiring high strength and good corrosion resistance, as well as excellent properties at temperatures up to 600°F (316°C)
17-7PH (UNS S17700) stainless steel can be used on below field:
  engine components
 • valve film
  elastic elements,
  containers, catheters, springs, valve membrane, the ship axis
  compressor disk

Please contact our company service (hotline:86 0510-83,632,628) to get more information on selection, application, heat treatment and inventory and other related information about 17-7PH (UNS S17700),you can also contact us for more information about precipitation hardening stainless steel and  stainless steel.


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Guangdong,China

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