Seamless Precision Steel Tubes

NBK Bright Annealing Steel Tube Hydraulic and Pneumatic Caparo Precision Tubes

Seamless precision steel pipe EN10305-4

We are manufacturer of Seamless Steel Tubes in China, if you want to buy Seamless Carbon Steel Tube, Oil Cylinder Steel Tube, Precision Seamless Steel Tube, Hydraulic Cylinder Steel Tube, please contact us.

NBK steel tubes Material:

Carbon Steel Steel Grade: E215,E235,E275,E355,

Other Materials Upon Agreement With Customers.

EN 10305-4 steel pipe Size:

O.D :6-350mm

WT:0.5-35mm

Usage: For Hydraulic And Pneumatic Power Systems

Pneumatic Caparo Precision Tubes Manufacture Techinique: Seamless Cold Drawn

Surface Treatment:

Phosphatization Galvanization Chromatization Type Blue-white Etc

Characteristic: High Accuracy On OD And WT Tolerance

1. Standard:

EN10305-4 Cold drawn tubes for hydraulic and pneumatic power systems

E215,E235,E275,E355,

other materials upon agreement with customers.

Steel Grade and Chemical Compositions:

3. Production method:

with certain heat treatment to achieve better mechanical properties for bending and pressure purposes

4. Packing:

In Hexagonal Bundles, wth anti-rust oil protection, with seaworthy packing 

5.Deliver condition:

+N After the final cold drawing operation the tubes are normalized in a controlled atmosphere

Surface smoothness could be reached by EN10305-4 request Ra≤2μm, and better than standard.

Surface treatment could be:

1. Protection by phosphatization

2. Protection by galvanization, and chromatization type blue-white

3. Protection by galvanization and chromatization type yellow

4. Protection by galvanization and chromatization type olive green