Precision Steel Tube suppliers Applications:
For Auto industry
For machinery use
Oil Cylinder Tube
Motorcyle shock absorber
Auto shock absorber innder cylinder
Telescopic Cylinders
Size Range: O.D.:6-350mm W.T.:1-35mm L:max12000mm
Steel Grade:E155, E195, E235, E275, E355.
Steel Grade And Chemical Compositions
Steel GradeCSiMnPS
Steel NameSteel Numbermaxmaxmaxmaxmax
E1551.00330.110.350.700.0250.025
E1951.00340.150.350.700.0250.025
E2351.03080.170.351.200.0250.025
E2751.02250.210.351.400.0250.025
E3551.05800.220.351.600.0250.025
Heat Treatment Method: +Cc, +LCc, +SR, +Ad, +N
Note: Special steel grade is also available, according to customer request.
Please specify the steel grade and heat treatment mothod when sending the enquiry!
For Application Of:
Test Methods:
Tensile test
Flattening test
Drift expanding test
Dimensional inspection
Roughness measurement
Visual examination
Not-destructive testing
a. Test for longitudinal imperfections-
– Eddy current test – EN10246-3, level E3
– ultrasonic testing – EN10246-7, level U3
b. Leak-tightness
– Non-destructive testing for verification of leak-tightness shall be carried out in accordance with EN10246-1
EN10305 Consists of the following Parts under the general title ” Steel tubes for precision applications – Technical delivery conditions ”
Part 1: Seamless Cold Drawn Tubes
Part 2: Welded Cold Drawn Tubes
Part 3: Welded Cold Sized Tubes
Part 4: Seamless Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems.Precision Steel Tube suppliers