Project Description

EN10305-2 Cold Drawn Welded Precision Tubes

EN10305-2, ASTM A513, EN10305-4, EN10305-6, JIS G3445, DIN2393

Standard and material:

  • ASTM A513 (GR. B) ERW carbon steel and alloy steel mechanical tubes
  • EN10305-2 (E215, E235, E335) Welded cold drawn tubes
  • EN10305-4 (E215, E235, E335) seamless cold drawn tubes for hydraulic and pneumatic power systems
  • JIS G3445 (STKM 11A, STKM 12A/12B/12C, STKM 13A/13B/13C) carbon steel tubes for machine structural
  • DIN2393 (ST35.8, ST37.2, ST52) Welded precision steel tubes
  • EN10305-6 (E215, E235, E335) Welded cold drawn tubes for hydraulic and pneumatic power systems

Quick Inquiry

Size Range:

  • Out diameter: 14mm-160mm
  • Wall thickness: 0.75mm-8.0mm
  • Length: 12m max

Delivery Conditions

The tubes shall be manufactured from ERW tubes by cold drawing or other suitable processes. The tubes shall be supplied in one of the delivery conditions as follows:

DesignationSymbolDescription
Cold drawn/hard+CNo heat treatment after the final cold drawing process
Cold drawn/soft+LCAfter the final heat treatment there is a suitable drawing pass
Cold drawn and stress relieved+SRAfter the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere
Annealed+AAfter the final cold drawing process the tubes are annealed in a controlled atmosphere
Normalized+NAfter the final cold drawing operation, the tubes are normalized in a controlled atmosphere

Click to download the details of EN10305-2 Cold Drawn Welded Precision Tubes.

click to download pdf button

Application

  • Automobile shock absorber cylinder
  • Engine hydraulic tube
  • Transmission shaft tube
  • Steel tube for front and rear axle structural purpose
  • Director tube
  • Steering column tube

Production process:

EN10305-2 Cold Drawn Welded Precision Tubes Production Process

EN10305-2 Cold Drawn Welded Precision Tubes Production Process

Inspection Test

  • Universal Material Tester for Tensile strength, Yield strength, Elongation, flattening, cold bending and Flaring test
  • Hardness Tester for HRB and HRC inspection
  • Roughness tester for Inspection for Roughness, including Ra, Ry, Rz, Rmax
  • Chemical Test
  • Metallurgical Microscope test
  • Straightness Testing
  • Eddy current testing

Quality Certification:

  • ISO9000
  • ISO/TS 16949

Quick Inquiry

Note:

  • Mill test certificates will be issued according to EN10204
  • The tubes Shall be cold drawn welded or cold rolled welded tube

Protection and Packing:

  • Packed in wooden box or bundles protected with plastic paper, and suitably protected for sea-worthily delivery or as requested.
  • The tubes shall be delivered with a temporary corrosion protection. The type of protection shall be at the discretion of the manufacturer

Production Capacity

  • Cold drawn and Cold rolled precision seamless tubes about 30000tons per year
  • Precision ERW tubes about 50000tons per year
  • Welded structural tubes about 20000tons per year
  • Cold drawn welded precision tubes about 30000ton per year

Photos

EN10305-2 Cold Drawn Welded Precision Tubes O.D. Inspection

EN10305-2 Cold Drawn Welded Precision Tubes O.D. Inspection

EN10305-2 Cold Drawn Welded Precision Tubes Surface

EN10305-2 Cold Drawn Welded Precision Tubes Surface

Get in Touch

If you are interested in our products or service, please contact us now.

Tel.: +86 185 5109 0083 | E-mail: cts@ctstubes.com

Send Email

Standard and Product List