Martensitic Stainless Steels

Martensitic class stainless steel, a chromium-iron alloy containing 10.5 to 17% chromium and controlled amounts of carbon. This type is extremely strong and tough, but not as corrosion resistant as the other two classes. Highly machineable and hardenable by heat treatment this stainless steel class contains Types 410, 416, 420, 420F, 431, 440A, 440B and 440C.

410 Stainless Steel 416 Stainless Steel
420 Stainless Steel 420F Stainless Steel
440A Stainless Steel 15-5 PH Stainless Steel
17-7 PH Stainless Steel 17-4 PH Stainless Steel
13-8 MO Stainless Steel