Tolerances per ASTM-A484

Hot Rolled Rounds and Squares
Specified Size	Over	Under	Out-of-Round/Square
Over 5/16 to 7/16 incl.	0.006	0.006	0.009
Over 7/16 to 5/8 incl.	0.007	0.007	0.010
Over 5/8 to 7/8 incl.	0.008	0.008	0.012

Over 7/8 to 1 incl.	0.009	0.009	0.013
Over 1 to 1-1/8 incl.	0.010	0.010	0.015
Over 1-1/8 to 1-1/4 incl.	0.011	0.011	0.016

Over 1-1/4 to 1-3/8 incl.	0.012	0.012	0.018
Over 1-3/8 to 1-1/2 incl.	0.014	0.014	0.021
Over 1-1/2 to 2 incl.	1/64	1/64	0.023

Over 2 to 2-1/2 incl.	1/32	0	0.023
Over 2-1/2 to 3-1/2 incl.	3/64	0	0.035
Over 3-1/2 to 4-1/2 incl.	1/16	0	0.046

Over 4-1/2 to 5-1/2 incl.	5/64	0	0.058
Over 5-1/2 to 6-1/2 incl.	1/8	0	0.070
Over 6-1/2 to 8 incl.	5/32	0	0.085

Cold Finished Rounds
Specified Size	Over	Under
1/8 to 5/16 excl.	0.001	0.001
5/16 to 1/2 excl.	0.0015	0.0015
1/2 to 1 excl.	0.002	0.002

1 to 1-1/2 excl.	0.0025	0.0025
1-1/2 to 4 incl.	0.003	0.003
4-1/8 to 4-1/2 incl.	0.005	0.005
4-9/16 to 6 incl.	0.008	0.008

Straightness Tolerances

Hot Finished: 1/8 inch in any 5 feet, but may not exceed 1/8 x (no. of feet in length)/5
Cold Finished: 1/16 inch in any 5 feet, but may not exceed 1/16 x (no. of feet in length)/5
Custom tolerances unique to your application upon request

Tolerances per ASTM-A484

Hot Rolled Rounds and Squares

Cold Finished Rounds

Straightness Tolerances