Sheng Ding Yuan Pipe-Making Co., Ltd

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Black Phosphate Hydraulic Tube

Product ID: hydraulic tube

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Detailed Product Description
Standard: DIN2391 Material: ST35,ST37.4,ST37,ST45,ST52,ST52.4
Thickness: 0.5 To 7mm Outer Diameter: 4 To 60mm
Technique: Precision Cold Drawn Seamless Carbon Steel Tube Surface Treatment: Black Phosphated

DIN2391 Black Phosphated Hydraulic Tube ST35 ST37.4 ST37 ST45 ST52 ST52.4

Quick Detail:

Hydraulic oil tubing DIN2391-ST37.4 NBK OD22xTH2
No deformation after cold bending,no crack after flaring and flattening.
The tube has good property of antirust.


Description:

The steel grades of raw material used in our company are mainly ST35, ST37.4(10#), ST45 (20#), ST55 (35#), Ck45 (45#), ST52.4 (16Mn) etc. produced by Shanghai Baosteel Group.

Synopsis of Process Routing: Cold drawn and bright NBK seamless steel tube is used as the tube to be phosphated. The phosphated is realized with the imported chemical fluid to form a black film. The antirust oil is absorbed by means of the micro pore on the film to prevent from the rust. The cap
Certificate
  • TS16949

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