Empire Metal - Square & Rectangular Tolerances

Conversion Tables

Square & Rectangular Tolerances

Concavity/Convexity
Outside Diameter	+/- inch
1/2" to 1 1/4" incl.	.015
1 1/4" to 2 1/2" incl.	.020
2 1/2" to 5 1/2" incl.	.030

Twist Tolerances
Outside Diameter	Maximum in 3'
Under 1/2"	.050"
1/2" to 1 1/2"	.075"
1 1/2" to 2 1/2"	.095"
Over 2 1/2"	.125"

Straightness: .075" in 3 feet Wall tolerance on all products is +/- 10%