EN10305-1 E235 E355 +SRA +N Cold Drawn Seamless Precision Steel Tube for Precision Application
Tubes according to this standard EN10305-1are characterized by having precisely defined tolerances on dimensions and a specified surface rougghness. Typical fields of application are in the vehicle, furniture and general engineering industrues.
The steelmaking process is at the discretion of the manufacturer. Steels shall be fully killed.
Typical fields of application are in: Automobile and motorcycle Shock Absorber Pipe Hydraulic-cylinder Pipe Mechanical steel pipes for auto and motor parts Gas Spring pipe motor casing pipe etc
No heat treatment after the final cold drawing process
After the final heat treatment there is a suitable drawing pass
Cold drawn and stress releived
After the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere
After the final cold drawing process the tubes are annealed in a controlled atmosphere
After the final cold drawing operation the tubes are normalized in a controlled atmosphere
Permissible deviations of the product analysis from the specified limits
Limiting values for cast analysis
Permissible deviatioon of the product analysis in % by mass