CHROME PLATED PISTION ROD

SIZE: 

OD: 3-120MM

LENGTH: 

1M -9M 

MATERIAL:

CK45/ ST52/ 20MNV6/ 42CRMO4/ 40CR/ BEARING STEEL/ STAINLESS STEEL

TOLERANCE

ISO F7 

CHROME THICKNESS:

20~30MICRON

HARDNESS OF  THE CHROME LAYER: 

800HV(MIN)

ROUGHNESS: 

RA 0.2MICRON (MAX)

STRAIGHTNESS: 

0.2/1000MM

YIELD STRENGTH

≥350 MPA   

TENSILE STRENGTH

≥580 MPA  

ELONGATION

≥ 15%

SUPPLY CONDITION:

1.HARD CHROME PLATED

2.INDUCTION HARDENED

3.QUENCHED & TEMPERED

4.INDUCTION HARDENED WITH Q&T

MATERIAL

C%

MN%

SI%

S%

P%

V%

CR%

CK45

0.42-0.50

0.50-0.80

0.17-0.37

≤0.035

≤0.035

≤0.25

ST52

≤0.22

≤1.6

≤0.55

≤0.04

≤0.04

0.02-0.15

20MNV6

0.17-0.24

1.30-1.70

0.10-0.50

≤0.035

≤0.035

0.10-0.20

≤0.30

42CRMO4

0.38-0.45

0.50-0.80

0.17-0.37

≤0.035

≤0.035

0.07-0.12

0.90-1.20

40CR

0.37-0.45

0.50-0.80

0.17-0.37

≤0.035

≤0.035

0.80-1.10

MATERIAL

T.S  N/MM2

Y.S  N/MM2

E%(MIN)

CHARPY

CONDITION

CK45

610

355

15

>41J

NORMALIZE

CK45

800

630

20

>41J

Q + T

ST52

500

355

22

NORMALIZE

20MNV6

750

590

12

>40J

NORMALIZE

42CRMO4

980

850

14

>47J

Q + T

40CR

1000

800

10

Q + T