Chrome Plated Rod

Chrome Plated Rod

Chrome Plated Rod Introduction Chrome plated bars can be divided into standard bar, induction bar and tempered & quenched bar. Surface of bar goes through special grinding and hard chrome plating process, and then mirror polishing. They always work together with precision tubes. Chrome...
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Product Details

Chrome Plated Rod Introduction

Chrome plated bars can be divided into standard bar, induction bar and tempered & quenched bar. Surface of bar goes through special grinding and hard chrome plating process, and then mirror polishing. They always work together with precision tubes.

Chrome Plated Rod technical parameters and Details

Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.

Original: Jiangsu, China

Certification: ISO9001.

Material: CK45, ST52, E355, 42CrMo4

Payment term: TT, LC

Delivery date: usually 20 to 40 days.

Packing: each packed in peper sleeve, and then in bundle.

Market: Middle East/ Africa/Asia/South America/Europe/North America

MOQ:  Depends on exact size and material.  

1.Chemical Properties:

Material

C%

Mn%

Si%

S%

P%

V%

Cr%

CK45

0.42-0.50

0.50-0.80

≤0.04

≤0.035

0.035


≤ 0.25

ST52

≤0.22

≤1.6

≤0.55

≤0.04

≤0.04



20MnV6

0.16-0.22

1.30-1.70

0.10-0.50

≤0.035

≤0.035

0.10-0.20

≤0.30 

42CrMo4

0.38-0.45

0.60-0.90

0.15-0.40

≤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

2. 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

3. SUPPLY CONDITION

Ground and chrome plated , induction, quenched and tempered

4. CHROME THICKNESS

20 to 30 micron

5. SURFACE ROUGHNESS

Ra≤0.2 micron and  Rt≤2 micro

6. TOLERANCES ON DIA

ISO f7 on the diameter

7.OVALITY

Half of the tolerance ISO f7

8. STRAIGHTNESS

≤0.2MM/M

9. SURFACE HARDNESS

850-1150HV (vickers 100g)

10.COHESION

No cracks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling in water)

11 .POROSITY

Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10

12 CORROSION RESISTANCE

Test in natural salt spray according to ASTM B 117-72hours

Results evaluation according to ISO 4540 RATING 7-10

13. PACKING

Anti rust oil to be applied on material and each rod to be packed in paper sleeve

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