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TABLE 2a.  Dimensions and Physical Characteristics of Copper Tube:  TYPE K

  Nominal Dimensions, inches Calculated Values (based on nominal dimensions)
Nominal or
Standard
Size in
inches		 Outside
Diameter		 Inside
Diameter		 Wall
Thickness		 Cross
Sectional
Area of Bore
sq inches		 Weight
of Tube only
pounds
per linear ft		 Weight
of Tube only
pounds
per linear ft		 Contents of Tube
per linear ft

CU ft            Gal
1/4 .375 .305 .035 .073 .145 .177 .00051 .00379
3/8 .500 .402 .049 .127 .269 .324 .00088 .00660
1/2 .625 .527 .049 .218 .344 .438 .00151 .0113
5/8 .750 .652 .049 .334 .418 .562 .00232 .0174
3/4 .875 .745 .065 .436 .641 .829 .00303 .0227
1 1.125 .995 .065 .778 .839 1.18 .00540 .0404
1-1/4 1.375 1.245 .065 1.22 1.04 1.57 .00847 .0634
1-1/2 1.625 1.481 .072 1.72 1.36 2.10 .0119 .0894
2 2.125 1.959 .083 3.01 2.06 3.36 .0209 .156
2-1/2 2.625 2.435 .095 4.66 2.93 4.94 .0324 .242
3 3.125 2.907 .109 6.64 4.00 6.87 .0461 .345
3-1/2 3.625 3.385 .120 9.00 5.12 9.01 .0625 .468
4 4.125 3.857 .134 11.7 6.51 11.6 .0813 .608
5 5.125 4.805 .160 18.1 9.67 17.5 .126 .940
6 6.125 5.741 .192 25.9 13.9 25.1 .180 1.35
8 8.125 7.583 .271 45.2 25.9 45.4 .314 2.35
10 10.125 9.449 .338 70.1 40.3 70.6 .487 3.64
12 12.125 11.315 .405 101 57.8 101 .701 5.25
Table used with permission of Copper Development Association - 260 Madison Ave - New York, NY 10016
 
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