13-8 stainless is a martensitic 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. Typical applications are large airframe structural components and injection molding equipment.
Chemical Composition, %
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
Balance
Specifications
UNS: S13800 W. Nr./EN: 1.4534 AMS: 5629 ASTM: A 564
SPEC SHEET
13-8 stainless is a martensitic 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. Typical applications are large airframe structural components and injection molding equipment.