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42CrMo Hydraulic Cylinder Hard Chrome Plated Rod, Steel Piston Rods

Place of Origin: Zhejiang

Company Profile

Location: Wuxi, Jiangsu, China (Mainland)
Business Type: Manufacturer
Main Products: Chrome Piston Rod

Product Description

42CrMo Hydraulic Cylinder Hard Chrome Plated Rod, Steel Piston Rods

 

42CrMo hard chrome plated rod for hydraulic cylinder        

    

Detailed Product Description

1.material:42CrMo

2.IS09001:2008

3.advanced inspection apparutus

4.ground and chrome plated

 

Detailed Description

1.CHEMICAL COMPOSITION

Material

C%

Mn%

Si%

S%

P%

V%

Cr%

42CrMo

0.38-0.45

0.60-0.90

0.15-0.40

0.03

0.03

 

0.90-1.2 

2.MECHANCIAL PROPERTIES

Material

T.S  N/MM2

Y.S  N/MM2

E%(MIN)

CHARPY

CONDITION

42CrMo

980

850

14

>47J

Q + T

3. SUPPLY CONDITION

    Ground  and  chrome plated 

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&n

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