20mnv6 Ck45 Hard Chrome Plated Bar for Hydraulic Cylinder

20mnv6 Ck45 Hard Chrome Plated Bar for Hydraulic Cylinder

Hard chrome plated hardened round bar Introduction Hard chrome plated hardened round bar adopts rolling process, which improves the surface anti-corrosion ability, and can delay the production or expansion of fatigue crack, thus improving the fatigue strength of cylinder rod. Roll forming, by...

Product Introduction

No matter new customer or outdated client, We believe in extensive phrase and trusted relationship for Turning Positioner, S45C Honed Steel Pipe, E355 Honed Tube. Our core philosophy of being perfect not only enables each employee to grow continuously in the company's common development process, but also becomes the everlasting driving force for our company. We cling to the business philosophy of technology forever innovation, quality to win the market, and integrity to promote cooperation, and uphold the principle of combining knowledge and action. All employees of our company will strictly abide by the enterprise spirit of 'trustworthiness, great justice, pursuit of excellence' and join hands with new and old friends to create brilliance together. Our business philosophy is 'manufacturing high-quality goods, serving the world', all employees warmly welcome to cooperate with friends at home and abroad to create brilliant.

Hard chrome plated hardened round bar Introduction

Hard chrome plated hardened round bar adopts rolling process, which improves the surface anti-corrosion ability, and can delay the production or expansion of fatigue crack, thus improving the fatigue strength of cylinder rod. Roll forming, by forming a layer of cold work roll surface hardening layer, reducing the grinding pair of elastic and plastic deformation of the contact surface, thus improve the abrasion resistance on the surface of the cylinder rod, at the same time avoid the burn caused by grinding.

Descriptions of hard chrome plated bars

Size:

Ø 6-300mm

Length:

1-9m

Material:

CK45/ ST52/ 20MnV6/ 42CrMo4

Tolerance

ISO f7

Chrome thickness:

20~30micron

Hardness of the chrome layer:

850HV(min)

Roughness:

Ra 0.2micron (max)

Straightness:

0.2/1000mm

Yield Strength

≥320 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

Chemical Composition

Material

C%

Mn%

Si%

S%

P%

V%

Cr%

Ck45

0.42-0.50

0.50-0.80

0.04

0.035

0.035

 

 

ST52

0.22

1.6

0.55

0.035

0.04

 

 

20MnV6

0.16-0.22

1.30-1.70

0.10-0.50

0.035

0.035

0.10-0.20

 

42CrMo4

0.38-0.45

0.60-0.90

0.15-0.40

0.03

0.03

 

0.90-1.20

40Cr

0.37-0.45

0.50-0.80

0.17-0.37

 

 

 

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


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After-sales service:?
1.?Where to buy our products for one year warranty and life long maintenance.?
2.?24-hour telephone service.?
3.?A large stock of components and parts, easily-worn parts.?

 

 

 

We not only uphold high quality in the manufacture of 20mnv6 Ck45 Hard Chrome Plated Bar for Hydraulic Cylinder, but also give every customer considerate and perfect after-sales service. We have a strong technical strength, comprehensive inspection equipment and advanced production technology, also with a fully automated production assembly line and a standardized quality management system. With the development and enlargement of mass clients abroad, now we've set up cooperative relationships with many major brands.

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