Introduction
Hydraulic Cylinder Rod and Hard Chrome Rod are metal rods used in hydraulic systems to withstand high pressure and friction. They are suitable for engineering machinery and industrial hydraulic equipment and can be ordered in bulk or customized.
Parameter
|
Specification |
Details |
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Product Name |
Carbon Steel Precision Piston Rod / Hard Chrome Plated Hollow Piston Rod |
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|
Material |
DIN CK45, SAE1045, JIS S45C, SAE1026, ST52, 20MnV6, 46CrMo4, AISI 304, AISI 316, AISI 431 |
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Tolerance (mm) |
ISO f7 |
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Chrome Layer Thickness |
25 ± 5 μm |
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Surface Roughness |
≤ 0.2 μm |
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Straightness |
≤ 0.2/1000 mm |
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Hardness |
850–1150 HV |
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Roundness |
Half of the diameter tolerance |
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C |
Mn |
Si |
S |
P |
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0.40–0.50 |
0.60–0.90 |
0.035 |
0.035 |
0.035 |
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Property |
Value |
Condition |
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T.S. (MPa) |
≥ 630 |
Normalized |
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Y.S. (MPa) |
≥ 380 |
ISO f7 |
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Elongation (E %) |
≥ 15% |
ISO f7 |
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OD (mm) |
Tolerance (mm) |
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<6 |
≤ -0.013 / -0.028 |
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6–10 |
≤ -0.016 / -0.034 |
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10–18 |
≤ -0.020 / -0.041 |
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18–30 |
≤ -0.025 / -0.050 |
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30–50 |
≤ -0.030 / -0.060 |
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50–80 |
≤ -0.036 / -0.071 |
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80–120 |
≤ -0.036 / -0.071 |
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Features of Hydraulic Cylinder Rod Hard Chrome Rod
Wear-resistant: The Hydraulic Cylinder Rod Hard Chrome Rod is made of high-carbon alloy steel with a hard chrome plating, making it 3 times more wear-resistant than ordinary steel rods.
High-Precision Machining: Tolerances are controlled within ISO f7 standards, with a surface roughness ≤0.2μm, ensuring a tight fit with seals.
Wide Applicability: Suitable for various hydraulic systems, construction machinery, mining equipment, and industrial automation equipment.
Customization
|
Customization Aspect |
Description |
|
Diameter and Length |
Adjustable rod diameter and overall length. |
|
Coating Thickness |
0.05–0.15 mm hard chrome layer. |
|
Surface Finish |
Customizable surface polishing precision Ra 0.4–0.8 μm. |
|
Toughness and Hardness |
Adjustable core toughness and surface hardness (HRC 58–62). |
|
End Finishing |
Rod ends can be machined into threads, flat surfaces, or grooves. |
Certificate
The company has obtained authoritative certifications for multiple international management systems, including ISO 9001 and compliance with the PED 97/23/EC Pressure Equipment Directive.
FAQ
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