17-7 PH Stainless Steel Tubing
17-7 stainless steel tubing includes aluminum in the composition and has good corrosion resistance with excellent strength and hardness characteristics. It is otherwise known as 17-7 PH, UNS 17700 or AISI 631.
Perhaps its best known quality is the ability to increase hardness and tensile strength via post-cold working heat treating (precipitation hardening), which can increase mechanical strength characteristics of the tubing beyond 300 series stainless, and to levels unachievable by cold working alone. With high strength, good formability and excellent fatigue resistance, 17-7 PH tubing is often used in medical, aerospace, and orthopedic applications. 17-7 tubing has minimal distortion and maintains its properties at high temperatures.
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