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Metals > Stainless Steels > 17-4PH

STAINLESS STEEL
17-4PH  
 
Description
17-4 is a precipitation hardenable stainless and can be supplied single melted (AMS 5643) or Vacuum Arc Remelted (AMS 5622). It is a medium to high strength material achieved through appropriate ageing treatments (see table below). It also has good corrosion resistant properties.
 
 
Specific Gravity
7.74 g/cm3
 
 
Typical Applications

Related Specifications
Motor Shafts
Aircraft Structural Parts
Valve Stems
Gears


AMS 5604
AMS 5622
AMS 5643
UNS S17400
W.Nr 1.4548
 
 
Chemical Composition (Wt %)
 
 
C
Si
Mn
P
S
Cr
Mo
Ni
Cb
Cu
Fe
Min
-
-
-
-
-
15.00
-
3.00
5 x %C
3.00
Bal
Max
0.07
1.00
1.00
0.040
0.030
17.50
0.50
5.00
0.45
5.00
-
 
 
Typical Mechanical Properties
 
 
0.2% proof Stress
Tensile Strength
Elongation
Reduction of area
Hardnesss
 
MPA
MPA
%
%
HB
 
Min
Min
Min
Min
Min
Max
     
L
T
L
T
   
H900
1172
1310
10
6
35
20
388
444
H1000
1069
1172
10
7
38
25
375
429
H1025
1000
1069
12
8
45
32
331
401
H1050
862
1000
13
9
45
33
311
375
H1100
793
965
14
10
45
34
302
363
H1150
724
931
16
11
50
35
277
352
 
 
* 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.

 

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