EN 10305-4 E235 E355 +N Carbon Steel Pipe For Hydraulic / Pneumatic Power Systems
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EN 10305-4 Standard Steel Pipe for hydraulic and pneumatic power systemsThe steelmaking process of EN10305-4 is at the discretion of the manufacturer and steels shall be fully killed. The tubes shall be manufactured from hot finished seamless tubes by cold drawing. Other suitable methods of cold working are permitted. The tubes shall be delivered in the delivery condition +N which means that after the final cold drawing operation the tubes are normalized in a controlled atmosphere.EN10305-4
1. Standard: W.T.:1-15mm L:max12000mm +N After the final cold drawing operation the tubes are normalized
in a controlled atmosphere Please specifiy the final heat treatment when sending the enquiry.7.Inspection and testing: Chemical analysis Tensile test Flattening test or Drift expanding test Dimensional inspection Visual examination NDT for verification of leaking tightness Chemical composition
Permissible deviations of the product analysis from the specified
limits given in Table 1
Mechanical properties at room temperature Summary of Inspection and testing
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