Hydraulic Cylinder Chrome Piston Rod CK45 , ST52 , 42CrMo4 , 40Cr

Hydraulic Cylinder Chrome Piston Rod CK45 , ST52 , 42CrMo4 , 40Cr

Detailed Product Description

1.Material: CK45, ST52, 20MnV6, 42CrMo4, 40Cr
2.Piston Rod Manufacturer
3.Top Quality, Good Service
4.ISO9001:2008

5.Diameter: 6mm - 1000mm, Length: 1000mm - 8000mm

Detailed Description

1.CHEMICAL COMPOSITION

2.MECHANCIAL PROPERTIES

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 salt spray according to ASTM B 117-72hours

     Results evaluation according to ISO 4540 RATING 7-10

13. WELDABILITY

      Good

14. PACKING

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

15. CERTIFICATE

     All certificate related with material heat treatment and plating is required

We have complete manufactured equipment covering all processes. Bought the first continuous chromium plating line of China from Europe in 2015.

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