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Stainless Steel 15-7 PH

Stainless Steel 15-7 PH is a precipitation-hardening stainless steel. It has superior strength, good corrosion resistance and is easily formed during cold working. This grade contains 15% chromium, 3% nickel and 7% phosphorous for enhanced corrosion resistance. It's ideal for applications that require heavy load-bearing capacity due to its high toughness and strength. Its composition includes iron (89%), carbon (0.07%), manganese (1%), silicon (0.3%), chromium (15%), phosphorus (7%) and nickel (3%).


Stainless Steel 15-7 PH steel is a semi-austenitic precipitation hardening stainless steel that offers excellent high-temperature strength and corrosion resistance. It has good formability, ductility, flatness, toughness, and fatigue properties, making it suited for parts requiring strain-hardened strength up to 180ksi. Commonly used in applications that require higher hardness or good wear resistance, such as aircraft components, bolting systems, and shafts in valves.15-7PH also has great resistance to oxidation and stress corrosion cracking when annealed., making it well suited for medical instruments and dental equipment where superior corrosion protection is needed.

Stainless Steel 15-7 PH Equivalent Grades

No Equivalent Grade Found