17-7PH

Time:2019-08-14

Similar grade:

GB/T

UNS

AISI/ASTM

JIS

W.Nr

07Cr17Ni7AL

S17700

631,17-7PH

SUS631

1.4568

chemical composition:

alloys

%

Ni

Cr

Fe

C

Mn

Si

S

Cu

Ai

P

17-7PH

min

6.5

16

 balance






0.75


max

7.5

18

0.09

1

1

0.03

0.5

1.5

0.035


Physical properties

density

7.65/cm3

Melting point

1415-1450 


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)

Solid melt 1000~1100°C fast cooling

1030

380

20

229

565℃ times

1140

960

5

(≥363

510℃ time

1230

1030

4

(≥388


17-7PH alloy has the following characteristics:

It is a hardened stainless steel with high strength, high hardness, fatigue resistance, good corrosion resistance and die forgeability.


17-7PH application areas:

Used in aerospace, chemical, petrochemical, paper and metal processing industries.



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