DOM Mechanical Carbon Steel Tube Tolerances

Cold Drawn Round Welded & Drawn Over Mandrel

Diameter Tolerances

OD
Size Range
Wall
% of OD
OD, Inches ID, Inches
Plus Minus Plus Minus
Up-.500
0.500-1.699
1.700-2.099
All .004 .000
All .005 .000 .000 .005
All .006 .000 .000 .006
2.100-2.499
2.500-2.899
2.900-3.299
All .007 .000 .000 .007
All .008 .000 .000 .008
All .009 .000 .000 .009
3.300-3.699
3.700-4.099
4.100-4.499
All .010 .000 .000 .010
All .011 .000 .000 .011
All .012 .000 .000 1.012
4.500-4.899
4.900-5.299
5.300-5.549
All .013 .000 .000 .013
All .014 .000 .000 .014
All .015 .000 .000 .015
5.550-5.999 Under 6 .010 .010 .010 .010
6 to 71/2 .009 .009 .009 .009
6.000-6.499 Under 6 .013 .013 .013 .013
6 to 71/2 .010 .010 .010 .010
6.500-6.999 Under 6 .015 .015 .015 .015
6 to 71/2 .012 .012 .012 .012
7.000-7.499 Under 6 .018 .018 .018 .018
6 to 71/2 .013 .013 .013 .013
7.500-7.999 Under 6 .020 .020 .020 .020
6 to 71/2 .015 .015 .015 .015
8.000-8.499 Under 6 .023 .023 .023 .023
6 to 71/2 .016 .016 .016 .016
8.500-8.999 Under 6 .025 .025 .025 .025
6 to 71/2 .017 .017 .017 .017
9.000-9.499 Under 6 .028 .028 .028 .028
6 to 71/2 .019 .019 .019 .019
9.500-9.999 Under 6 .030 .030 .030 .030
6 to 71/2 .020 .020 .020 .020
10.000-10.999 Under 6 .034 .034 .034 .034
6 to 71/2 .022 .022 .022 .022
11.000-11.999 Under 6 .035 .035 .035 .035
6 to 71/2 .025 .025 .025 .025
12.000-12.999 Under 6 .036 .036 .036 .036
6 to 71/2 .027 .027 .027 .027
13.000-13.999 Under 6 .037 .037 .037 .037
6 to 71/2 .029 .029 .029 .029
14.000-15.000 Under 6 .038 .038 .038 .038
6 to 71/2 .030 .030 .030 .030

Wall Tolerances

Wall Thickness, Inch Incl. .375 to .875 OD Over .875 to 1.875 OD Over 1.875 to 3.750 OD Over 3.750 to 15.000 OD
.028 & 035 +.002 +.002 +.002
-.002 -.002 -.002
.049 +.002 +.002 +.002
-.002 -.003 -.003
.065 +.002 +.002 +.002 +.004
-.002 -.003 -.003 -.004
.083 +.002 +.002 +.003 +.004
-.002 -.003 -.003 -.005
.095 +.002 +.002 +.003 +.004
-.002 -.003 -.003 -.005
.109 +.002 +.002 +.003 +.005
-.003 -.004 -.003 -.005
.120 +.003 +.002 +.003 +.005
-.003 -.004 -.003 -.005
.134 +002 +003 +005
-.004 -.003 -.005
.148 +.002 +.003 +.005
-.004 -.003 -.005
.165 +.003 +.003 +.005
-.004 -.004 -.006
.180 +.004 +.003 +.006
-.004 -.005 -.006
.203 +.004 +.004 +.006
-.005 -.005 -.007
.220 +.004 +.004 +.007
-.006 -.006 -.007
.238 +.005 +.005 +.007
-.006 -.006 -.007
.259 +.005 +.005 +.007
-.006 -.006 -.007
.284 +.005 +.005 +.007
-.006 -.006 -.007
.300 +.006 +.006 +.008
-.006 -.006 -.008
.320 +007 +007 +008
-.007 -.007 -.008
.344 +.008 +.008 +.009
-.008 -.008 -.009
.375 +009 +009
-.009 -.009
.400 +.010 +.010
-.010 -.010
.438 +.011 +.011
-.011 -.011
.480 +.012 +.012
-.012 -.012
.531 +.013 +.013
-.013 -.013
.563 +.013 +.013
-.013 -.013
.580 +.014 +.014
-.014 -.014
.600 +.015 +.015
-.015 -.015
.625 +.016 +.016
-.016 -.016
.650 +.017
-.017

Straightness Tolerances

.030" in any 3 ft. of length up to 7.500" OD
.060" in any 3 ft. of length over 7.500" OD

Tabulated tolerances can be applied simultaneously to only two of three
cross-sectional dimensions, i.e., ODxWall, ODxID or IDxWall.
ID Tolerances apply only to tube specified ODxID or lDxWall
Tolerances are ASTM-A-519 modified.

The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other purposes.

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