Maraging 350 Stainless Steel

Maraging 350 Stainless Steel

Maraging 350 (also known as Vascomax® 350) is an 18% nickel, cobalt strengthened steel. It is a very high strength material reaching a UTS of 2310 MPA after heat treatment. It is produced by Vacuum Induction Melting (VIM) followed by Vacuum Arc Remelting (VAR).

Specific Gravity

8.0 g/cm3

Typical Applications

Related Specifications

Landing gear systems



Missile and Rocket motor cases

Torsion springs

Industrial Cutters

AMS 6515

UNS K93160


Chemical Composition (Wt %)

C Si Mn P S Al Co Ni Mo Ti Cr Cu
Min 0.05 11.5 18.00 4.6 1.30
Max 0.03 0.10 0.10 0.010 0.010 0.15 12.5 19.00 5.20 1.60 0.50 0.50

Typical Mechanical Properties after heat treatment

0.2% Proof Stress Tensile Strength Elongation Reduction of area Hardness
2242 2310 6 25 53
* Every effort has been made to ensure that our technical specifications are accurate. However, technical specifications included within Dynamic Metals Ltd should be used as a guideline only and are subject to change without notice.