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
Mechanical steel pipes for auto and motor parts
Gas Spring pipe
motor casing pipe etc
|Cold drawn/hard||+C||No heat treatment after the final cold drawing process|
|Cold drawn/soft||+LC||After the final heat treatment there is a suitable drawing pass|
|Cold drawn and stress releived||+SR||After the final cold drawing process there is a stress relief heat
treatment in a controlled atmosphere|
|Annealed||+A||After the final cold drawing process the tubes are annealed in a
|Normalized||+N||After the final cold drawing operation the tubes are normalized in
a controlled atmosphere|
|Steel Name||Steel Number|
Permissible deviations of the product analysis from the specified
|Element||Limiting values for cast analysis||Permissible deviatioon of the product analysis in % by mass|
Who We are ?
-------A professional steel pipes materials inventor, manufacturer
and solution provider Torich Interational Co.,Ltd is a professional
manufacturer and exporter of steel pipes materials.
It is an international marketing and sales company specialized in
steel tubes, which holds the factories of Seamless Steel Tubes with
Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM
Steel Tubes, Seamless & Welded Stainless Steel Tubes with
Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan
Sanxin Steel Pipe Co., Ltd. The factories` technicians are of great
engineering experience in steel pipe industry for more than 20
years, which are in great command of production technology for Cold
Drawing and Cold Rolling. So we have strong technician team and