AMS 6514 - Maraging 300 Stainless Steel

Typical Applications

Driveshafts

Gears

Fasteners

Landing and Takeoff gear

Missile and ejector systems

Torsion springs

Maraging 300 (also known as Vascomax® 300) is an 18% nickel, cobalt strengthened steel.

It is a very high strength material reaching a UTS of 1930 MPA after heat treatment. It is produced by Vacuum Induction Melting (VIM) followed by Vacuum Arc Remelting (VAR).

Related Products

Technical specification

Related Specifications

AMS 6514
ASTM A538
Mil-S-46850D
UNS K93120
W.Nr 1.6358

Specific Gravity

8.0 g/cm3

Chemical Composition (WT %)

 
Min  
Max  
C  
-  
0.03  
Si  
-  
0.10  
Mn  
-  
0.10  
P  
-  
0.010  
S  
-  
0.010  
AI  
0.05  
0.15  
Co  
8.5  
9.5  
Ni  
18.0  
19.00  
Mo  
4.6  
5.20  
Ti  
0.5  
0.8  
Cr  
-  
0.5  
Cu  
-  
0.5  
Fe  
Bal  
-  

Typical Mechanical Properties after heat treatment

0.2% Proof Stress  
MPA  
Min  
1862
Tensile Strength  
MPA  
Min  
1930
Elongation  
&  
Min  
5
Hardness  
HRC  
Min  
52

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