Tolerances - Cold Drawn Seamless Carbon & Alloy Tubing

O.D. Range
(inches)		 Wall Percent
of O.D.		 Unannealed or Stress
Relief Annealed		 Soft Annealed or
Normalized		 Oil Quenched &
Tempered
O.D. Inches I.D. Inches O.D. Inches I.D. Inches O.D. & I.D.
Plus Minus Plus Minus Plus Minus Plus Minus Plus/Minus
Up to 0.499 All 0.004 0.000 0.005 0.002 0.005
0.500-1.699 All 0.005 0.000 0.000 0.005 0.007 0.002 0.002 0.007 0.005
1.700-2.099 All 0.006 0.000 0.000 0.006 0.006 0.005 0.005 0.006 0.008
2.100-2.499 0.007 0.000 0.000 0.007 0.008 0.005 0.005 0.008 0.009
2.500-2.899 All 0.008 0.000 0.000 0.008 0.009 0.005 0.005 0.009 0.010
2.900-3.299 All 0.009 0.000 0.000 0.009 0.011 0.005 0.005 0.011 0.012
3.300-3.699 All 0.010 0.000 0.000 0.010 0.013 0.005 0.005 0.013 0.013
3.700-4.099 All 0.011 0.000 0.000 0.011 0.013 0.007 0.010 0.010 0.014
4.100-4.499 All 0.012 0.000 0.000 0.012 0.014 0.007 0.011 0.011 0.015
4.500-4.899 All 0.013 0.000 0.000 0.013 0.016 0.007 0.012 0.012 0.017
4.900-5.299 All 0.014 0.000 0.000 0.014 0.018 0.007 0.013 0.013 0.018
5.300-5.549 All 0.015 0.000 0.000 0.015 0.020 0.007 0.014 0.014 0.019
5.550-5.999 Under 6 0.010 0.010 0.010 0.010 0.018 0.018 0.018 0.018 0.025
6 to 7 1/2 0.009 0.009 0.009 0.009 0.016 0.016 0.016 0.016 0.023
Over 7 1/2 0.018 0.000 0.009 0.009 0.017 0.015 0.016 0.016 0.023
6.000-6.499 Under 6 0.013 0.013 0.013 0.013 0.023 0.023 0.023 0.023 0.033
6 to 7 1/2 0.010 0.010 0.010 0.010 0.018 0.018 0.018 0.018 0.025
Over 7 1/2 0.020 0.000 0.010 0.010 0.020 0.015 0.018 0.018 0.025
6.500-6.999 Under 6 0.015 0.015 0.015 0.015 0.027 0.027 0.027 0.027 0.038
6 to 7 1/2 0.012 0.012 0.012 0.012 0.021 0.021 0.021 0.021 0.029
Over 7 1/2 0.023 0.000 0.012 0.012 0.026 0.015 0.021 0.021 0.029
7.000-7.499 Under 6 0.018 0.018 0.018 0.018 0.032 0.032 0.032 0.032 0.045
6 to 7 1/2 0.013 0.013 0.013 0.013 0.023 0.023 0.023 0.023 0.033
Over 7 1/2 0.026 0.000 0.013 0.013 0.031 0.015 0.023 0.023 0.023
7.500-7.999 Under 6 0.020 0.020 0.020 0.020 0.035 0.035 0.035 0.035 0.050
6 to 7 1/2 0.015 0.015 0.015 0.015 0.026 0.026 0.026 0.026 0.037
Over 7 1/2 0.029 0.000 0.015 0.015 0.036 0.015 0.026 0.026 0.037
8.000-8.499 Under 6 0.023 0.023 0.023 0.023 0.041 0.041 0.041 0.041 0.058
6 to 7 1/2 0.016 0.016 0.016 0.016 0.028 0.028 0.028 0.028 0.040
Over 7 1/2 0.031 0.000 0.015 0.016 0.033 0.022 0.028 0.028 0.040
8.500-8.999 Under 6 0.025 0.025 0.025 0.025 0.044 0.044 0.044 0.044 0.063
6 to 7 1/2 0.017 0.017 0.017 0.017 0.030 0.030 0.030 0.030 0.043
Over 7 1/2 0.034 0.000 0.015 0.019 0.038 0.022 0.030 0.030 0.043
9.000-9.499 Under 6 0.028 0.028 0.028 0.028 0.045 0.045 0.045 0.045 0.070
6 to 7 1/2 0.019 0.019 0.019 0.019 0.033 0.033 0.033 0.033 0.047
Over 7 1/2 0.037 0.000 0.015 0.022 0.043 0.022 0.033 0.033 0.047
9.500-9.999 Under 6 0.030 0.030 0.030 0.030 0.045 0.045 0.053 0.053 0.075
6 to 7 1/2 0.020 0.020 0.020 0.020 0.035 0.035 0.035 0.035 0.050
Over 7 1/2 0.040 0.000 0.150 0.025 0.048 0.022 0.035 0.035 0.050
10.000-10.999 Under 6 0.034 0.034 0.034 0.034 0.045 0.045 0.060 0.060 0.080
6 to 7 1/2 0.022 0.022 0.022 0.022 0.039 0.039 0.039 0.039 0.055
Over 7 1/2 0.044 0.000 0.015 0.029 0.055 0.022 0.039 0.039 0.055
11.000-12.000 Under 6 0.035 0.035 0.035 0.035 0.050 0.050 0.065 0.065
6 to 7 1/2 0.025 0.025 0.025 0.025 0.045 0.045 0.045 0.045
Over 7 1/2 0.045 0.000 0.015 0.035 0.060 0.022 0.045 0.045

Wall Tolerances

Wall Percent of O.D. Wall Tolerances Max %
Over & Under Nominal Wall
I.D. Under 0.500" I.D. 0.500" and Over
Under 10% ± 10.0% ± 7.5%
10 to 25% ± 10.0% ± 6.0%
Over 25% ± 12.5% ± 7.5%

Straightness Tolerances

Outside Diameter Size Range (inches) Wall Percent of Outside Diameter Total Camber in Any 3 Feet
Up to 5.000" 3% O.D. & Over 0.03
5.001 / 8.000" 4% O.D. & Over 0.045
8.001 / 10.750" 4% O.D. & Over 0.060

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