Product Introduction
Hydraulic Cylinder Rod Hard Chrome Rod is a precision metal rod designed for hydraulic systems. It's made of high-quality metal and has a hard chrome layer on its surface formed by advanced electroplating. This layer significantly improves the wear resistance, corrosion resistance and fatigue resistance of the rod, ensuring the long-term stable operation of the hydraulic system. It also enhances the surface hardness, effectively preventing the attachment of dust and other impurities to reduce the risk of wear. Meanwhile, the hard chrome layer gives the rod a smooth and beautiful appearance, improving the overall texture of the hydraulic system and is widely used in various hydraulic equipment.
Product Advantages
Precision Tolerance Control
Hydraulic Cylinder Rod Hard Chrome Rod meets ISO f7 tolerance standards for millimeter-level precision fit. This accuracy ensures even force distribution on sealing surfaces, eliminating oil leaks from dimensional deviations. Tight tolerance control extends seal life by over 40%, making it ideal for high-precision CNC machines demanding extreme stability.
Long-lasting Wear Resistance
Hydraulic Cylinder Rod Hard Chrome Rod features 25±5μm hard chrome plating with 850-1150HV hardness. The dense plating creates a physical barrier against metal debris and contaminants in hydraulic oil. Compared to unplated rods, it offers 3 times better resistance to abrasive wear, especially suited for construction equipment with frequent start-stop cycles.
Corrosion-resistant Surface
With surface roughness under 0.2μm, Hydraulic Cylinder Rod Hard Chrome Rod achieves mirror-like smoothness. This ultra-smooth surface minimizes corrosive media adhesion, while chrome's natural inertness boosts corrosion resistance by 70% in salty or acidic hydraulic fluids. Even prolonged moisture exposure won't compromise plating integrity or cause rust-induced seal failure.
Dynamic Operation Stability
Hydraulic Cylinder Rod Hard Chrome Rod maintains straightness within 0.2/1000mm, ensuring perfect cylinder alignment. At 20MPa pressure, this precision reduces piston sidewear risk by 90%, preventing friction-induced overheating and system downtime.
Rigid Load-bearing Structure
850-1150HV surface hardness gives Hydraulic Cylinder Rod Hard Chrome Rod exceptional deformation resistance. Under impact loads, the plating distributes stress evenly to prevent dents or plastic deformation. This structural rigidity maintains geometric accuracy in mining equipment, preventing premature seal aging from rod distortion.
Technical Specification
|
Product Name |
Carbon Steel Precision Piston Rod Hard Chrome Plated Hollow Piston Rod |
|
Material |
DIN CK45, SAE1045, JIS S45C, SAE1026, ST52, 20MnV6, 46CrMo4, AISI 304, AISI 316, AISI 431 |
|
Tolerance(mm) |
ISO f7 |
|
Chrome layer thickness |
25(+/-5)μm |
|
Roughness |
≤0.2μm |
|
Straightness |
≤0.2/1000mm |
|
Hardness |
850-1150HV |
|
Roundness |
Half of the diameter tolerance |
|
CK45 / Chemical Composition (%) |
||||
|
C |
Mn |
Si |
S |
P |
|
0.40-0.50 |
0.60-0.90 |
0.035 |
0.035 |
0.035 |
|
CK45 / Mechanical Properties |
||||
|
T.S. (Mpa) |
Y.S.(Mpa) |
E % |
Condition |
T.S. (Mpa) |
|
≥630 |
≥380 |
≥15% |
Normalised |
≥630 |
|
ISO f7 |
||||
|
OD (mm) |
Tolerance (mm) |
|||
|
< |
≤ |
≤ |
≤ |
|
|
6 |
10 |
-0.013 |
-0.028 |
|
|
10 |
18 |
-0.016 |
-0.034 |
|
|
18 |
30 |
-0.02 |
-0.041 |
|
|
30 |
50 |
-0.025 |
-0.05 |
|
|
50 |
80 |
-0.03 |
-0.06 |
|
|
80 |
120 |
-0.036 |
-0.071 |
|
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