hydraulic cylinder tube
honed tube
hydraulic cylinder tube
hydraulic cylinder tube
honed tube
hydraulic cylinder tube

SRB Tubes(Skived and Roller Burnished Tubes)

SRB Honed Tubes(Skived and Roller Burnished Tubes) Manufacturer

  • Superior Surface Finish
    • The SRB process ensures an excellent inner surface finish (Ra ≤ 0.2~0.4 μm), reducing friction, improving sealing performance, and extending equipment life.
  • High Dimensional Accuracy
    • SRB Honed Tubes achieve tight dimensional tolerances (H7-H9), ensuring precision and consistency for high-performance applications.
  • Increased Surface Hardness
    • The roller burnishing process forms a hardened surface layer, improving wear resistance and fatigue strength for enhanced durability.
  • Reduced Processing Defects
    • The combination of skiving and burnishing eliminates machining defects such as cracks and pores, ensuring higher quality tubes.
  • Improved Production Efficiency
    • The SRB process integrates skiving and burnishing in one step, reducing manufacturing time and cost.
  • Extended Seal Life
    • The smooth, burr-free inner wall reduces wear on seals, minimizing maintenance and replacement frequency.
  • Lower Energy Consumption in Hydraulic Systems
    • The smooth inner surface reduces fluid flow resistance, improving hydraulic system efficiency and saving energy.
  • Versatile Applications
    • SRB Honed Tubes perform well under high pressure, high temperature, and demanding conditions, making them suitable for hydraulic cylinders, pneumatic systems, and heavy machinery.
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SRB Honed Tubes Description

Mechanical Property:

Delivery condition Cold finished(hard)(BK) Cold drawn and stress-relieved(BK+S)
Steel grade Rm MPa Elongation A5(%) Rm MPa ReH MPa Elongation A5(%)
C20 ≥550 ≥5 ≥520 ≥375 ≥15
CK45 ≥645 ≥5 ≥600 ≥520 ≥10
Q355B ≥640 ≥5 ≥600 ≥520 ≥14
Q355D ≥640 ≥5 ≥600 ≥520 ≥14
E355(ST52) ≥640 ≥5 ≥600 ≥520 ≥14
SAE1026 ≥640 ≥5 ≥600 ≥520 ≥15

SRB Honed Tubes Data Sheet

Tolerance:

Inner Diameter (mm) Inner Diameter Tolerance
(mm)
Thickness Tolerance
(mm)
H7 H8 H9 H10
≤30 +0.021/0 +0.033/0 +0.052/0 +0.084/0 ±7.5%>210mm±10%
30≤50 +0.025/0 +0.039/0 +0.062/0 +0.100/0
50≤80 +0.030/0 +0.046/0 +0.074/0 +0.120/0
80≤120 +0.035/0 +0.054/0 +0.087/0 +0.140/0
120≤180 +0.040/0 +0.063/0 +0.100/0 +0.160/0
180≤250 +0.046/0 +0.072/0 +0.115/0 +0.185/0
250≤315 +0.052/0 +0.081/0 +0.130/0 +0.210/0
315≤700 +0.057/1 +0.089/0 +0.140/0 +0.230/0

SRB Honed Tubes Applications

  • Hydraulic Cylinders
    • Used as the inner tube in hydraulic cylinders for construction, mining, and agricultural machinery, ensuring smooth piston movement and effective sealing.
  • Pneumatic Systems
    • Applied in pneumatic cylinders for automation equipment, enabling efficient air compression and precise mechanical motion.
  • Industrial Machinery
    • Utilized in heavy-duty industrial equipment such as presses, cranes, and injection molding machines for high-pressure operations.
  • Marine and Offshore Equipment
    • Suitable for hydraulic and pneumatic systems in marine vessels and offshore platforms due to their durability and resistance to harsh environments.

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