ROUND MECHANICAL TUBING

COLD DRAWN SEAMLESS
Carbon:1026 up to 9-1/2″ O.D., over 9-1/2 O.D. .25 maximum
ASTM A519Produced to O.D. and I.D. dimensions except where noted

HOT FINISHED SEAMLESS
Carbon:1026
ASTM A519Produced to O.D. and wall dimension

D.O.M. (Welded)
Carbon 102010 ga. wall and lighter
Carbon 1026All other sizes
ASTM A513T5Normally produced to O.D. and I.D. dimensions
ST 52.3

BUTTWELD
Carbon1012/1020
ASTM A512Normally produced to O.D. and I.D. dimensions

ELECTRIC WELDED
Carbon1008/1020
ASTM A513Type 1 (HR) or Type 2 (CR) produced to O.D. and wall dimension. Sizes over 12″ O.D. are not covered by A513 specification. Consult manufacturer for tolerances.

E.W. tubes up to 1 O.D. are flash-in

E.W. tubes up to 1″ O.D. are flash-in.
E.W. tubes 1″ O.D. and larger are flash controlled to .010 with the following exceptions which are:
  • F.C. .010/.020 maximum
  • 1″ O.D. x 13 ga
  • 1″ O.D. x 12 ga.
  • 1″ O.D. x 11 ga. 
Pipe Size Tube ASTM A500—See Square, Rectangular, and Round Tubing