Project Description

Precision ERW Tube ASTM A513

ASTM A513, EN10305-3, EN10305-5, JIS G3445, GOST 5005, DIN2394

Precision ERW Tubes ASTM A513

Standard and Material:

  • ASTM A513 (GR.1010, 1020, 1035, 1045, 4130, 4140) ERW carbon steel and alloy steel mechanical tubes
  • EN10305-3 (E215, E235, E335) Welded cold sized tubes
  • EN10305-5(E215, E235, E335) Welded and cold sized square and rectangular tubes
  • JIS G3445 (STKM 11A, STKM 12A/12B/12C, STKM 13A/13B/13C) carbon steel tubes for machine structural
  • DIN2394 (ST35.8, ST37.2, ST52) Welded precision steel tubes
  • GOST5005-82 Electric welded cold worked steel pipes for drive shaft

Size Range:

  • Out diameter: 10mm-90mm
  • Wall thickness: 0.5mm-4.5mm
  • Length: 12m max

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Delivery Conditions

Precision ERW tube ASTM A513 shall be manufactured electric welded 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

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Application

  • Automobile shock absorber cylinder
  • Oil tank tube
  • Engine bracket tube
  • Steering column tube
  • Pneumatic pump tube
  • Automobile front and rear axle tube
  • Automobile shock absorber reservoir
  • Transmission shaft tube
  • Other structural purpose tube

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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

 

Production Process:

Precision ERW Tubes ASTM A513 Process

Precision ERW Tubes ASTM A513 Process

Quality Certification:

  • ISO9000
  • ISO/TS 16949

Note:

  • Mill test certificates will be issued according to EN10204
  • The tubes Shall be welded.

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

Precision ERW Tubes ASTM A513 Inner Seams

Precision ERW Tubes ASTM A513 Inner Seams

Precision ERW Tubes ASTM A513 Outer Seams

Precision ERW Tubes ASTM A513 Outer Seams

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

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