17-7ph Stainless Steel - AMS 5528, AMS 5529, AMS 5644

Typical Applications

Chemical processing equipment

Oil and Petroleum refining equipment

Food processing equipment

17-7 is a precipitation hardenable stainless steel. It develops its strength and hardness through heat treating.

This makes it well suited for applications that require good formability, high strength/hardness and minimum distortion upon heat treating. 17/7 stainless steel (UNS S17700) also provides benefits for other applications requiring high strength and good corrosion resistance, as well as excellent properties for flat springs at temperatures up to 315°C (600°F).

Related Products

Technical specification

Related Specifications

AMS 5528
AMS 5529
Mil S 25043
UNS S17700

Specific Gravity

7.81 g/cm3

Chemical Composition (WT %)

 
Min  
Max  
C  
-  
0.09  
Mn  
-  
1.00  
P  
-  
0.040  
S  
-  
0.030  
Si  
-  
1.00  
Ch  
16.00  
18.00  
Ni  
6.50  
7.75  
AI  
0.75  
1.50  
Cr  
16  
18  
Fe  
Bal  
-  

Typical Mechanical Properties in the Annealed Condition

 
 
Min  
Max
0.2% Proof Stress  
MPA  
1035  
-
Tensile Strength  
MPA  
1241  
1448
Elongation  
%  
4  
6
Hardness  
HRC  
38  
46

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