AMS 5596, AMS 5597, Nickel Alloy 718 Sheet & Plate

Typical Applications

Exhausts

Liquid rocket components involving cryogenic temperatures

Alloy 718 (alternatively known by Special Metals trade name Inconel 718) AMS 5596, AMS 5597, is a nickel chromium alloy which can be heat treated to give high strength, good corrosion resistance and is readily fabricated into complex parts with a very good resistance to postweld cracking. Alloy 718 can work effectively between -423 to 1300 deg F.

Related Products

Technical specification

Related Specifications

AMS 5596
AMS 5597
UNS N07718
ASTM B670

Specific Gravity

7.98 g/cm3

Chemical Composition (WT %)

 
Min  
Max  
Ni  
50  
55  
Cr  
17  
21  
Fe  
Bal  
-  
Mo  
2.8  
3.3  
Nb+Ta  
4.75  
5.50  
C  
-  
0.08  
Mn  
-  
0.035  
Si  
-  
0.35  
Ph  
-  
0.015  
S  
-  
0.015  
Ti  
0.65  
1.15  
Cu  
-  
0.30  
B  
-  
0.0006  
AI  
0.20  
0.80  
Co  
-  
1.00  

Mechanical Properties in the annealed condition

 
 
Sheet and strip
Plate
0.2% Proof Stress  
MPA  
Max  
550
725
Tensile Strength  
MPA  
Max  
965
1035
Elongation  
%  
Min  
30
30

Mechanical Properties in the solution treated and precipitation heat treated condition

0.2% Proof Stress  
MPA  
Min  
1035
Tensile Strength  
MPA  
Min  
1240
Elongation  
%  
Min  
12

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