Steel 17Cr3

17Cr3

EN 10084-1998, Number: 1.7016

Comparison of steel grades

JUS

-

DIN 17210

17Cr3

BS 970

527M17

GOST

-

AISI

-

UNI

NF

-

Chemical elements

C

Si
max.

Mn

P

max.

S

Cr

%, by mass

0,14-0,20

0,40

0,60-0,90

0,035

≤ 0,035

0,70 – 1,00

Permissible deviation

±  0,02

+ 0,03

± 0,04

+ 0,005

+ 0,005

± 0,05

Hardness HRC at a distance from quenched end of test piece (in milimetres) of

mm

1,5

3

5

7

9

11

13

15

20

25

30

35

40

45

50

+H

max.

47

44

40

33

29

27

25

24

23

21

-

-

-

-

-

min.

39

35

25

20

-

-

-

-

-

-

-

-

-

-

-

+HH

max.

47

44

40

33

29

27

25

24

23

21

-

-

-

-

-

min.

42

38

30

24

20

-

-

-

-

-

-

-

-

-

-

+HL

max.

44

41

35

29

25

23

21

20

-

-

-

-

-

-

-

min.

39

35

25

20

-

-

-

-

-

-

-

-

-

-

-

Brinell hardness inn the condition

+S max.

+A max.

+TH

+FP

min.

max.

min.

max.

*

174

-

-

-

-

D (mm)

Bars Diameter d (mm)

K

Total characteristic value K (oxides) for the individual cast

140 < d  200

K 4 ≤ 50

100 < d ≤ 140

K 4 ≤ 45

70 < d ≤ 100

K 4 ≤ 40

35 < d ≤ 70

K 4 ≤ 35

17 < d ≤ 35

K 3 ≤ 40

8 < d ≤ 17

K 3 ≤ 30

 d ≤ 8

K 2≤ 35

End quenchh test

Quenching, ⁰C (Temperatura kaljenja )

Carbunnzing temperature, ⁰C
(Temperatura naugljeničavanja)

Core-hardening temperature, ⁰C
(Temperatura kaljenja jezgra)

Case-hardening temperature, ⁰C
(Temperatura kaljenja površine)

Tempering, ⁰C

(Otpuštanje)

880

880 to 980

860 to 900

780 to 820

150 to 200