Custom 455® is a stainless steel produced by Carpenter Specialty Alloys that has been found to be ideal for medical instrumentation.

We can combine your less than mill quantities with other companies needs for significant price savings. Plan now for the future, and stay ahead of shortages that result in exorbitant pricing and long lead times.

Use the form below to request a quote on 455 Stainless Steel rod or tube. Or give us a call to speak directly to a supply chain management specialist about how we can help.

Material is fully certified to ASTM F899 surgical instrument quality, precision ground to ±.0005, and manufactured in the USA. We also offer 455 manufactured in Germany to ± .002" at a lower price.

Chemical Data, Mechanical Properties and Specifications for Custom 455® Stainless Steel


Chemical Range For 455
Element Minimum Maximum
Carbon -- 0.05
Chromium 11.00 12.50
Copper 1.50 2.50
Iron Balance --
Manganese -- 0.50
Molybdenum -- 0.50
Nickel 7.50 9.50
Niobium 0.10 0.50
Phosphorus -- 0.04
Silicon -- 0.50
Sulphur -- 0.03
Titanium 0.80 1.40


Typical Mechanical Properties for 455
Form Tensile Strength Yield Strength Elongation at Break
Annealed Bar 145 ksi 103 ksi 14%


AMS 5617
Capable of ASTM A564 Gr XM-16
UNS S45500