Cold Drawn Seamless Steel Tubing

Cold Drawn Seamless Steel Tubing

Seamless Construction, Cold Drawn Precision

Cold drawn seamless steel tubing is produced without a welded seam, and by finishing the tubing with a cold drawn process the tubing has enhanced mechanical properties with tight tolerances. The lack of any seam affords cold drawn steel tubing with greater strength and uniformity, and the cold-drawing process yields tubing with greater strength and a higher degree of dimensional precision than hot-finished tubing. Cold drawn seamless steel tubing delivers the strength of seamless construction with the dimensional accuracy and surface quality from cold working, making it ideal for demanding applications.

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Seamless Construction, Cold Drawn Precision

Cold drawn seamless steel tubing is produced without a welded seam, and by finishing the tubing with a cold drawn process the tubing has enhanced mechanical properties with tight tolerances. The lack of any seam affords cold drawn steel tubing with greater strength and uniformity, and the cold-drawing process yields tubing with greater strength and a higher degree of dimensional precision than hot-finished tubing. Cold drawn seamless steel tubing delivers the strength of seamless construction with the dimensional accuracy and surface quality from cold working, making it ideal for demanding applications.

Benefits of Seamless Cold Drawn Steel Tubing

Seamless cold drawn steel tubing’s higher strength and precise dimensional qualities are valued in applications where safety is critical, or the tubing must perform under high-pressure, high-stress conditions. Some of these applications include automotive and motorsports components, structural and mechanical tubing, pneumatic cylinders, among many others.

The characteristics of cold drawn seamless tubing valued in various markets include:

  • High Dimensional Precision: The cold-drawing process improves the tubing’s dimensional accuracy and provides tighter OD, ID, and wall tolerances.
  • Excellent Surface Finish: Seamless cold drawn tubes have a smooth, consistent surface finish with a uniform grain structure ideal for welding.
  • Stronger than Hot-Finished Tubing: Cold drawn tubes have greater hardness and strength than hot-finished tubing, in addition to having a higher degree of dimensional control.
  • Machining, Bending, and Welding: The absence of any welding seam provides higher strength, reliability, and uniformity critical for consistent processing and construction.

Cold Drawn Seamless Steel Tubing Specifications

ASTM A519: Cold Drawn Seamless Carbon & Alloy Steel Tubing

MeasurementInches/FeetMetric
OD Range0.250” – 2”6.35mm – 50.8mm
Wall Range0.025” – 0.187”0.635mm – 4.75mm
Maximum Length26’7.9m

Industry Specifications

  • Carbon Grades: 1010 – 1018
  • Alloy Grades: 4130, 4140

Markets for Cold Drawn Seamless Steel Tubing

Defense

Defense

Engineers and contractors in the defense market rely on seamless tubing for its enhanced mechanical and dimensional qualities of seamless cold drawn tubing, and the lack of a welding seam eliminates a common failure point to provide greater structural integrity and fatigue resistance in high-stress systems. Seamless cold drawn tubes are used in defense to construct:

  • Hydraulic and pneumatic lines
  • Weapon and recoil system components
  • Aircraft and UAV structures
  • Armor and mobility systems
Heavy Equipment

Heavy Equipment

Industrial equipment for agriculture and construction work requires components built for exceptional performance and long-term reliability. Cold drawn seamless tubing readily withstands the stress and impact encountered in the heavy equipment market, and is used to construct the following components, among others:

  • Fluid lines and fittings
  • Off-highway vehicle components
  • Bearings
  • Gears
  • Spacers
  • Hydraulic lifting components
Performance Racing

Performance Racing

As one of our Plymouth Motorsports Products™, the exact dimensions, strength, and surface finish of cold drawn steel tubes are valued for their high manufacturing standards and trusted to build several safety-critical racing components:

  • Chassis
  • Frames
  • Rollbars
  • Steering components
  • Suspension components
Firearms

Firearms

Seamless cold drawn steel tubes provides the tight tolerance control and exacting engineering standards necessary for firearm construction, and the tubing’s machine-ready profile eliminates scrap material and reduces the time required for machining and other processing. Some of the firearm components constructed with cold drawn tubing include the following:

  • Receivers
  • Bolt actions
  • Magazine tubes
  • Gas block/tubes
  • Barrels
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