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AMS 6350, AMS 6345 - 4130 Alloy Steel Sheets And Plates

Typical Applications

Aircraft seating

Roll Cages

Motorsport applications

4130 is a through hardening low alloy steel containing molybdenum and chromium as strengthening agents. 4130 responds well to nitriding for very good wear and abrasion resistance.

Technical specification

Related Specifications

AMS 6350
AMS 6345
UNS G41300

Specific Gravity

7.8 g/cm3

Chemical Composition (WT %)

 
Min  
Max  
C  
0.28  
0.33  
Mn  
0.40  
0.60  
P  
-  
0.025  
S  
-  
0.025  
Si  
0.15  
0.35  
Cr  
0.80  
1.10  
Mo  
0.15  
0.25  

Typical Mechanical Properties

 
 
Annealed  
Normalised
Up to 0.062"
0.062" – 0.125"
0.125" – 0.187"
0.187" – 0.249"
0.249" – 0.749"
0.749" – 1.5"
0.2% Proof Stress  
MPA  
-  
-
517
517
517
482
482
482
Tensile Strength  
MPA  
586  
-
655
655
655
620
620
620
Elongation  
%  
-  
-
8
10
12
15
16
18

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