SRB Seamless Hyraulic Cylinder Tubes – H8

Product Description: Honed cylinder tubes

Material: Cold or hot drawn seamless tube

Steel Grade: E355 (St 52.0)*Heat treatment: +SR (BK+S) / +A

Tolerances: Outside Diameter EN10305-1 ( DIN 2391) for cold drawn tubes

EN10297-1/EN10220 for hot drawn tubes( DIN1629/DIN2448)

Tolerances for inside diameter ISO H8

Surface Roughness: max. Ra 0.4μm according to DIN EN ISO 4287/88.

Linearity: 0.5-1.00/1000mm.

Eccentricity: ISO 4394/1

Scope of application:

  • Hydraulic Machines
  • Hydraulic cylinders for earthmoving machines, windmills and parabolic trough plants
  • Hydraulic Accumulators
  • Cranes and lifting platforms

Welded Cold Drawn Cylinder Tubes – H9

Product Description: Ready to use as a cylinder pipe, the inner surface of the tube is smooth.

Material : Cold Drawn

Steel Grade: E355 (St 52-3)

Heat treatment: +C (BK)

Tolerances: Outer Diameter tolerances EN10305-2 ( DIN 2393). Inside Diameter Tolerances ISO H9-H10.
Surface Roughness: Ra Max. 0.8μm DIN EN ISO 4287/88.

Straightness: 1/1000mm

Eccentricity: EN10305-2 ( DIN 2393).

Scope of application:
Hydraulic and pneumatic cylinders agricultural machinery