Tube / Round / CDS

 

ROUND TUBE DOM CDS HFS
CDS (COLD DRAWN SEAMLESS)
  • Produces From Solid Round Billet
  • Usually Walls Thicker than .500"
  • Rotary Pierced
  • Annealed for Uniform Hardness
  • Annealed for Increased Machinability
  • Pickled to Remove Scale
  • Inside is Cleaned
  • Cold Drawn Over a Mandrel
  • Condenses Metal for Higher Tensile and Yield
  • Uniform Hardness

CDS AND HFS PROCESS
CDS TOLERANCE CHART 
  • Tolerance is worse than DOM
  • Hole May Not Be In Center Of Tube
  • Hole May Be Out Of Round
  • Wall May Be Thinner/Thicker On Different Sides
  • Max Wall Tolerance = +/- 12-1/2% Of Wall
  • Max Outside Tolerance = +/-.065" (+/-1% On 11"Od & >)
  • Max Straightness Tolerance = .065" Bow In Any 3’
  • For Precision Tolerances See DOM
  • DOM is usually .500" Wall and Thinner

DOM SIZE RANGE CHART
ROUND TUBE SIZE AND WEIGHT CHART
  • Length = 16′ to 24′ Random
  • Chart = Most Sizes Available
  • Chart = Some Special Order Sizes
  • Chart = Welded, DOM, CDS and HFS
  • Not All in Stock

CDS AND HFS APPLICATION
APPLICATION
  • Bushing
  • Spacer
  • Machined Part