13-8 is a precipitation-hardening stainless steel that has excellent strength, high hardness, superior toughness, and good corrosion resistance. Good transverse toughness properties are achieved by tight chemical composition control, low carbon content, and vacuum melting.
Specifications: AMS 5629, ASTM A564
Chemistry
Ni | Cr | Mo | C | P | S | Si | Mn | N | Al | Fe | |
---|---|---|---|---|---|---|---|---|---|---|---|
MIN | 7.5 | 12.25 | 2.0 | – | – | – | – | – | – | 0.90 | – |
MAX | 8.5 | 13.25 | 2.5 | 0.05 | 0.01 | 0.008 | 0.1 | 0.2 | 0.1 | 1.35 | – |