Products Name

High Quality 42crmo4 ck45 cold drawn hard Chromed Plated carbon steel rod Piston chromed bar for hydraulic cylinder

Material

CK45 S45C ST52 SAE1045 SAE10V45 42CrMo4 20MnV6

Chrome Thickness

20-30µm(min)

Diameter

6mm-300mm

Length

3m-9m or as client's request

Straightness

3mm/M max

Hardness of the chrome layer

800HV(min)

Roughness

Ra0.2µm(max)

OD Tolerance

ISO f7

Yield Strength

≥350 Mpa

Tensile Strength

≥580 Mpa

Trade Term

FOB, CFR, CIF

Payment

30% advance by T\T; Balance pay before the shipment against shipping documents or irrevocable LC at sight

Packaging

Export standard, seaworthy

Container size

20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)

40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)

40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)

Composition

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

Mechancial Properties

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