17-4PH

Time:2019-08-14

Similar grade:

GB/T

UNS

AISI/ASTM

JIS

W.Nr

05Cr17Ni4Cu4Nb

S17400

630,17-4PH

SUS630

1.4542

chemical composition:

alloys

%

Ni

Cr

Fe

C

Mn

Si

S

Cu

Nb

P

17-4PH

min

3

15.5

 margin





3

0.15


max

5

17.5

0.07

1

1

0.03

5

0.45

0.035


Physical properties

density

7.78/cm3

Melting point

1400-1440 


Mechanical properties of alloys at normal temperature  

Heat Treatment Process

Tensile Strength
Rm 
N/mm²

Yield Strength
RP0.2
 N/mm²

Elongation
A5 %

HRC(HBS)

480

1310

1180

10

40

550

1060

1000

12

35

580

1000

865

13

31

620

930

325

16

28

17-4PH alloy characteristics:

High strength, hardness, good weldability and corrosion resistance.


17-4PH application areas:

Used for high-strength parts with certain corrosion resistance requirements.



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