17-7 Stainless Steel

The 17-7 stainless steel grade is particularly well suited for high strength, corrosion resistant applications. It performs well at temperatures up to 600ºF. Fabrication processes are similar to other chromium-nickel stainless steels. A martensitic steel, 17-7 may not be suitable for environments containing hydrogen sulfide, as it may be subject to cracking.

Chemical Formula
Iron 70-76%, Carbon 0.09%, Chrome, 16-18%, Aluminum 0.75-1.5%, Manganese 1%, Nickel, 6.5-7.75%, Phosphorus 0.04%, Sulphur 0.03%, Silicon 1%.

17-7 Stainless Steel Plate, 17-7 Stainless Steel Sheet, 17-7 SS Round Bar

Common Trade Names
17-7 Stainless, 17-7 Stainless Steel


  • Provides excellent fatigue properties
  • Minimum distortion
  • Superior mechanical properties at temperatures up to 900ºF.
  • Corrosion resistant over time.

The 17-7 can be applied to a range of applications, particularly aerospace. Intricate components that depend on precision and low distortion are ideal. Heat exchangers, chemical processors, power boilers, and more benefit from the high strength, high-temperature dependability of 17-7 Stainless Steel.

Available Stock Sizes
See specific product page for unique sizes. Here at Atlantic Stainless no inquiry is too large or too small. Feel free to contact us today for a quote on any of your custom size orders.

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