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Table B1. TYPE K Dimensions and physical characteristics

Nominal
or
standard
size,
inches
Nominal dimensions, inches Calculated values (based on nominal dimensions)
Outside
diameter
Inside
diameter
Wall
thickness
Cross
sectional
area of
bore,
sq. inches
Weight
of tube
only,
pounds
per
linear ft.
Weight
of tube &
water
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

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