| SIZE TOLERANCES |
|
STAINLESS • SUPER ALLOYS • ELECTRICAL STEELS
|
| COLD FINISHED OR CENTERLESS GROUND BARS ROUNDS |
|
SIZE IN INCHES
|
TOLERANCE PLUS
OR MINUS INCH |
|
1/16 to 9/32
|
.001
|
|
5/16 TO 11/32
|
.0015
|
|
3/8 TO 15/32
|
.0015
|
|
1/2 TO 19/32
|
.002
|
|
5/8 TO 31/32
|
.002
|
|
1 TO 1-15/32
|
.0025
|
|
1-1/2 TO 2-3/4
|
.003
|
|
2-13/16 TO 3
|
.003
|
|
3-1/8 TO 4
|
.003
|
|
...
|
|
| COLD FINISHED BARS -- HEXAGONS AND SQUARES |
|
SPECIFIED SIZE
IN INCHES
|
SIZE TOLERANCE, INCHES |
| ... |
SQUARE
|
HEXAGON
|
|
...
|
OVER
|
UNDER
|
|
.050 to 5/16 excl.
|
0
|
.002
|
|
5/16 TO 1/2 excl.
|
0
|
.003
|
|
1/2
|
0
|
.004
|
|
Over 1/2 to 1 incl.
|
0
|
.004
|
|
Over 1 to 2 incl.
|
0
|
.006
|
|
Over 2 to 3 incl.
|
0
|
.008
|
|
Over 3 to 4 incl.
|
0
|
.010
|
|
...
|
...
|
...
|
|
PER: ASTMA A 484 (BAR) & ASTNA A 555 (WIRE)
|
|
HOT ROLLED AND ROUGH TURNED
ROUNDS HOT ROLLED SQUARES |
|
SPECIFIED SIZE IN INCHES
|
SIZE TOLERANCE, INCHES |
|
...
|
OVER
|
UNDER
|
|
Over 1-1/2 to 2 incl.
|
.016
|
.016
|
|
Over 2 to 2-1/2 incl.
|
.031
|
0
|
|
Over 2-1/2 to 3-1/2 incl.
|
.047
|
0
|
|
Over 3-1/2 to 4-1/2 incl.
|
.062
|
0
|
|
Over 4-1/2 to 5-1/2 incl.
|
.078
|
0
|
|
Over 5-1/2 to 6-1/2 incl.
|
.125
|
0
|
|
Over 6-1/2 to 8 incl.
|
.156
|
0
|
|
Over 8 to 10 incl.
|
.250
|
0
|
|
Over 10
|
.375
|
0
|
|
...
|
|
| COLD FINISHED BARS -- FLATS |
|
WIDTH, INCHES
|
WIDTH TOLERANCE, INCHES |
| ... |
OVER
|
UNDER
|
|
...
|
FOR THICKNESS
1/4" & UNDER
|
FOR THICKNESS
OVER 1/4"
|
|
3/8 to 1 incl.
|
0.004
|
0.002
|
|
Over 1 to 2 incl.
|
0.006
|
0.003
|
|
Over 2 to 3 incl.
|
0.008
|
0.004
|
|
Over 3 to 4-1/2 incl.
|
0.010
|
0.005
|
|
...
|
...
|
.......
|
|
THICKNESS, INCHES
|
THICKNESS TOLERANCE, IN.
|
|
...
|
OVER UNDER
|
|
1/8 to 1 incl.
|
0.002
|
|
Over 1 to 2 incl.
|
0.003
|
|
Over 2 to 3 incl.
|
0.004
|
|
Over 3 to 4-1/2 incl.
|
0.005
|
|
.......
|
.......
|
|
|
...
|
|
| STAINLESS HOT FINESHED ROUND AND SQUARES |
|
SPECIFIED SIZE, INCHES
|
OVER |
UNDER |
OUT-OF- ROUND
OR OUR-OF- SQUARE |
|
Over 5/16 to 7/16
|
0.006
|
0.006
|
0.009
|
|
Over 7/16 to 5/8
|
0.007
|
0.007
|
0.010
|
|
Over 5/8 to 7/8
|
0.008
|
0.008
|
0.012
|
|
Over 7/8 to 1
|
0.009
|
0.009
|
0.013
|
|
Over 1 to 1-1/8
|
0.010
|
0.010
|
0.015
|
|
Over 1-1/8 to 1-1/4
|
0.011
|
0.011
|
0.016
|
|
Over 1-1/4 to 1-3/8
|
0.012
|
0.012
|
0.018
|
|
Over 1-3/8 to 1-1/2
|
0.014
|
0.014
|
0.021
|
|
Over 1-1/2 to 2
|
1/64
|
1/64
|
0.023
|
|
Over 2 to 2-1/2
|
1/32
|
0
|
0.023
|
|
Over 2-1/2 to 3-1/2
|
3/64
|
0
|
0.035
|
|
Over 3-1/2 to 4-1/2
|
1/16
|
0
|
0.046
|
|
Over 4-1/2 to 5-1/2
|
5/64
|
0
|
0.058
|
|
Over 5-1/2 to 6-1/2
|
1/8
|
0
|
0.070
|
|
Over 6-1/2 to 8
|
5/32
|
0
|
0.085
|
|
...
|
|
| HOT ROLLED BARS ROUND - CORNERED SQUARES |
|
Corner Radii
|
|
NOMINAL SIZES* INCLUSIVE IN.
|
NOMINAL CORNER RADII, IN. |
|
2 to 2-7/16
|
5/16
|
|
2-1/2 to 2-7/8
|
3/8
|
|
3 to 3-3/8
|
7/16
|
|
4 to 4-3/8
|
5/8
|
|
4-1/2 to 6
|
3/4
|
|
Sizes are distances between opposite sides, Round-cornered squares are rolled to dimensions, not to weights per linear feet.
|
|
...
|
|
|
|
|
|
|
|
|
|
|
HOT ROLLED BARS - FLAT
|
|
SPECIFIED SIZE IN INCHES
|
THICKNESS TOLERANCE IN INCHES FOR THICKNESS GIVEN OVER AND UNDER
|
... |
WIDTH TOLERANCE IN INCHES
|
|
|
1/8-1/2 Incl.
|
Over 1/2 to 1 Incl.
|
Over 1-2 Incl.
|
Over 2-4 Incl.
|
Over
|
Under
|
|
Up to 1 incl.
|
0.008
|
0.010
|
|
-
|
0.015
|
0.015
|
|
Over 1 to 2 incl.
|
0.012
|
0.015
|
0.031
|
-
|
0.031
|
0.031
|
|
Over 2 to 4 incl.
|
0.015
|
0.020
|
0.031
|
0.062............... 0.031
|
0.062
|
0.031
|
|
Over 4 to 6 incl.
|
0.015
|
0.020
|
0.031
|
0.062............... 0.031
|
0.093
|
0.062
|
|
Over 6 to 8 incl.
|
0.016
|
0.025
|
0.031
|
0.062............... 0.031
|
0.125
|
0.156
|
|
Over 8 to 10 incl.
|
0.021
|
.031
|
0.031
|
0.062............... 0.031
|
0.156
|
0.156
|
| ... |
|
| ... |
| 17-4 ph 302-303-304-416-440-C "PRECISION GROUND" |
TOLERANCE + -.005 |
| COLD DRAWN HEX, SQUARES IN PH GRADES |
DOUBLE SIZE TOLERANCE |
| ... |
| ... |
| COLD FINISHED BARS |
|
SIZES IN INCHES
|
MAXIMUM OF CARBON RANGE
0.28% OR LESS
|
MAXIMUM OF CARBON RANGE 0.28% TO 0.55% INCL. ANNEALING OR NORMALIZING BEFORE COLD FINISHING |
MAXIMUM OF CARBON RANGE OT 0.55% INCL., STRESS RELIEVED OR ANNEALED AFTER COLD FINISHING |
MAXIMUM OF CARBON RANGE OVER 0.55% WITH OR WITHOUT STRESS RELIEVING OR ANNEALING AFTER COLD FINISHING, CARBONS, QUENCHED AND TEMPERED (HEAT TREATED), OR NORMALIZED AND TEMPERED, BEFORE COLD FINISHING |
|
ROUNDS
|
.... |
.... |
.... |
.... |
|
To 1-1/2 INCL.
|
0.003
|
0.004
|
0.005
|
0.006
|
|
Over 1-1/2 to 2-1/2 incl.
|
0.004
|
0.005
|
0.006
|
0.007
|
|
Over 2-1/2 to 4 incl.
|
0.005
|
0.006
|
0.007
|
0.008
|
|
Over 4 to 6 incl.
|
0.006
|
0.007
|
0.008
|
0.009
|
|
Over 6 to 8 incl.
|
0.007
|
0.008
|
0.009
|
0.010
|
|
Over 8 to 9 incl.
|
0.008
|
0.009
|
0.010
|
0.011
|
|
Over 9
|
0.009
|
0.010
|
0.011
|
0.012
|
| HEXAGONS |
....... |
.... |
.... |
.... |
|
To 3/4 incl.
|
0.003
|
0.004
|
0.005
|
0.007
|
|
Over 3/4 to 1-1/2 incl.
|
0.004
|
0.005
|
0.006
|
0.008
|
|
Over 1-1/2 to2-1/2 incl.
|
0.005
|
0.006
|
0.007
|
0.009
|
|
Over 2-1/2 to 3-1/8 incl.
|
0.006
|
0.007
|
0.008
|
0.010
|
|
Over 3-1/8 to 4 incl.
|
0.006
|
. |
. |
. |
| SQUARES |
.... |
.... |
.... |
.... |
|
To 3/4 incl.
|
0.003
|
0.005
|
0.006
|
0.008
|
|
Over 3/4 to 1-1/2 incl.
|
0.004
|
0.006
|
0.007
|
0.009
|
|
Over 1-1/2 to2-1/2 incl.
|
0.005
|
0.007
|
0.008
|
0.010
|
|
Over 2-1/2 to 4 incl.
|
0.007
|
0.009
|
0.010
|
0.012
|
|
Over 4 to 4 incl.
|
0.011
|
. ... |
. ... |
. ... |
| FLATS |
... |
... |
... |
... |
|
WIDTH IN INCHES
|
. ... |
. ... |
. ... |
. ... |
|
To 3/4 incl.
|
0.004
|
0.005
|
0.007
|
0.009
|
|
Over 3/4 to 1-1/2 incl.
|
0.005
|
0.006
|
0.009
|
0.011
|
|
Over 1-1/2 to3 incl.
|
0.006
|
0.007
|
0.011
|
0.013
|
|
Over 3 to 4 incl.
|
0.007
|
0.009
|
0.012
|
0.017
|
|
Over 4 to 6 incl.
|
0.009
|
0.011
|
0.012
|
0.021
|
|
OVER 6
|
0.014
|
. ... |
. ... |
. ... |
| . ... |
. ... |
. ... |
. ... |
. ... |
|
All Tolerances are in Inches and are minus
|
