Hard Chrome Plated Hydraulic Piston Rod 35mm - 140mm Diameter

Chrome Plated Hydraulic Piston Rods , Diameter 35mm - 140mm

Detailed Product Description

1. Material: CK45, ST52, 42CrMo4, 20MnV6, 40Cr, HY4520, HY4700
2. Piston rod manufacturer

3. Yield strength: Not less than 355 MPa
4. Tensile strength: Not less than 610 MPa
5. Widely used in mine machinery industry, textile and printing machinery industry and so on.

6. The critical processes of heat treatment and chrome plating are finished in our own company.

Detailed Description

1. CHEMICAL COMPOSITION(%)

2. MECHANICAL PROPERTIES

3. MICRO ALLOY STEEL

4. SUPPLY CONDITION

Ground and chrome plated

5. CHROME THICKNESS

20 to 30 micron

6. TOLERANCES ON DIA

ISO f7 on the diameter

7.OVALITY

Half of the tolerance ISO f7

8. SURFACE ROUGHNESS

Ra≤0.2 micron and Rt≤2 micron

9. STRAIGHTNESS

≤0.2MM/M

10 .SURFACE HARDNESS

850-1150HV (vickers 100g)

11. COHESION

No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees

and cooling in water)

12. CORROSION RESISTANCE

Test in natural salt spray according to ASTM B 117-120hours

Results evaluation according to ISO 4540 RATING 7-10

13 .POROSITY

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

14. WELDABILITY

Good

15. PACKING

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

16. CERTIFICATE

All certificate related with material heat treatment and plating is required