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Cylinder Tube

The cylinder tube is a semi-finished product suitable to manufacture single and double acting hydraulic cylinders. Made of steel St. 52.3 DIN 2393 ISO H8, it is the constructive basis of the standard cylinders. The possibility for the customer to shorten its length according to his needs makes of it a very flexible product.

Product Details

Cylinder Tube Advantage

  1. arrow iconThe cylinder tube can be seamlessly welded, the construction is more convenient, and the welding quality is good. 
  2. arrow iconIt is a high-density steel pipe material with strong pressure-bearing capacity.
  3. arrow iconHigher accuracy, better surface quality, better performance and less leakage under pressure.
  4. arrow iconThe surface finish is good and there is no oxide film, which means it is not easy to deform during use and can withstand a certain high pressure.

Cylinder Tube Chemical Composition

 Elements  ASTM A213 Grade TP304    ASTM A213 Grade TP304 L
  Silicon   1.0%   1.0%
  Sulfur  0.03%   0.03%
  Carbon  0.8%   0.35%
  Manganese  2%   2%
  Phosphorous  0.045%   0.045%
 Nickel 8.0% to 11.0%  8.0% to 11.0%
 Chromium 18.0% to 20.0%  18.0% to 20.0%

Cylinder Tube mechanical property

 Properties  ASTM A213 Grade TP304    ASTM A213 Grade TP304 
  Tensile Strength  515 MPa (minimum)   485 MPa (minimum)
  Yield Strength  205 MPa (minimum)   170 MPa (minimum)
  Elongation(Minimum %)  35 %    35%
 Minimum Temperature 1900 Degrees Fahrenheit  1900 Degrees Fahrenheit

Cylinder Tube Specification

Inner diameter dimension toleranceOuter diameter dimension toleranceCoaxialityCylindricity
Φ6 (+0.04/-0)Φ7 (+0.03/-0.03)0.020.04
Φ8 (+0.04/-0)φ9 (+0.03/-0.03)0.020.04
φ10 (+0.04/-0)φ11 (+0.03/-0.03)0.020.04
φ12 (+0.05/-0)φ13.4 (+0.05/-0)0.020.05
φ16 (+0.05/-0)φ17.4 (+0.05/-0)0.020.05
φ20 (+0.05/-0)φ21.4 (+0.05/-0)0.0250.05
φ25 (+0.05/-0)φ26.4 (+0.05/-0)0.0250.05
φ32 (+0.06/-0)φ33.6 (+0/-0.05)0.030.06
φ40 (+0.06/-0)φ41.6 (+0/-0.05)0.030.06
Φ50 (+0.1/-0)φ52 (+0.1/-0.1)0.040.07
Φ63 (+0.1/-0)φ65 (+0.1/-0.1)0.040.07
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