Tolerances | Size: Cold Finished

Standard (16/10 Under) Manufacturing Tolerances

Cold Finished Carbon Steel Bars
COLD DRAWN OR TURNED & POLISHED ROUNDS

undersize variations in inches

Size Range in Inches Max. Carbon Range .28% or less Max. Carbon Range over .28% to .55% incl. Max. Carbon Range to 0.55% incl., Stress Relieved or Annealed After Cold Finishing1 Max. Carbon Range Over .55% or all Grades Quenched & Tempered or Normalized and Tempered Before cold Finishing
1 ½ or under .002 .003 .004 .005
Over 1 ½ to 2 ½, incl. .003 .004 .005 .006
Over 2 ½ to 4, incl. .004 .005 .006 .007
Over 4 to 6, incl. .005 .006 .007 .008
Over 6 to 8, incl. .006 .007 .008 .009
Over 8 to 9, Incl. .007 .008 .009 .010
Over 9 .008 .009 .010 .011

 

COLD DRAWN HEXAGON

Size Range in Inches Max. Carbon Range .28% or less Max. Carbon Range over .28% to .55% incl. Max. Carbon Range to 0.55% incl., Stress Relieved or Annealed After Cold Finishing1 Max. Carbon Range Over .55% or all Grades Quenched & Tempered or Normalized and Tempered Before cold Finishing
¾ or under .002 .003 .004 .006
Over ¾ to 1 ½, incl. .003 .004 .005 .007
Over 1 ½ to 2 ½, incl. .004 .005 .006 .008
Over 2 ½ to 4, incl. .005 .006 .007 .009

 

COLD DRAWN SQUARES

Size Range in Inches Max. Carbon Range .28% or less Max. Carbon Range over .28% to .55% incl. Max. Carbon Range to 0.55% incl., Stress Relieved or Annealed After Cold Finishing1 Max. Carbon Range Over .55% or all Grades Quenched & Tempered or Normalized and Tempered Before cold Finishing
Over ¾ to 1 ½, incl. .003 .005 .006 .008
Over 1 ½ to 2 ½, incl. .004 .006 .007 .009
Over 2 ½ to 4, incl. .006 .008 .009 .011

 

COLD DRAWN FLATS
Tolerances for flats apply to thickness as well as width

width in inches

Size Range in Inches Max. Carbon Range .28% or less Max. Carbon Range over .28% to .55% incl. Max. Carbon Range to 0.55% incl., Stress Relieved or Annealed After Cold Finishing1 Max. Carbon Range Over .55% or all Grades Quenched & Tempered or Normalized and Tempered Before cold Finishing
To 2/4 incl. .003 .004 .006 .008
Over ¾ to 1 ½, incl. .004 .005 .008 .010
Over 1 ½ to 3, incl. .005 .006 .010 .012
Over 3 to 4,incl. .006 .008 .011 .016
Over 4 to 6, incl. .008 .010 .012 .020
Over 6 .013 .015 … …

TURNED, GROUND AND POLISHED ROUNDS
COLD DRAWN, GROUND AND POLISHED ROUNDS

undersize variations in inches

Size Range in Inches Turned, Ground and Polished Rounds Cold Drawn, Ground and Polished Rounds
1 ½ and under .001 .001
Over 1 ½ to less than 2 ½ .0015 .0015
2 ½ to 3, incl. .002 .002
Over 3 to 4, incl. .003 .003
Over 4 to 6, incl. .004* …
Over 6 .005* …

 

*For nonresulfurized steels (steels specified to maximum sulfur limits under 0.08%) or for steels thermally treated, the tolerance is increased by .001”