Copper Tube Size Chart Medical Gas, K and L

Hydraulic, Pneumatic Design & Engineering | Fluid Power Engineering

Dimensions and Physical Characteristics Chart of Copper Tube: Medical Gas, K and L per. ASTM B 819.

Nominal,
inches
Nominal Dimensions,
inches
Calculated Values (based on nominal dimensions)
Outside Diameter
Inside Diameter
Wall Thickness
Cross Sectional Area of Bore,
sq inches
Internal surface, sq feet/linear ft
Weightof Tube Only,
pounds/linear ft
Contents of Tube,
cu feet/linear ft
1/4
K
.375
.305
.035
.073
.0789
.145
.00051
L
.375
.315
.030
.078
.0825
.126
.00054
3/8
K
.500
.402
.049
.127
.105
.269
.00088
L
.500
.430
.035
.145
.113
.198
.00101
1/2
K
.625
.527
.049
.218
.130
.344
.00151
L
.625
.545
.040
.233
.143
.285
.00162
5/8
K
.750
.652
.049
.334
.171
.418
.00232
L
.750
.666
.042
.348
.174
.362
.00242
3/4
K
.875
.745
.065
.436
.195
.641
.00303
L
.875
.785
.045
.484
.206
.455
.00336
1
K
1.125
.995
.065
.778
.261
.839
.00540
L
1.125
1.025
.050
.825
.268
.655
.00573
1 1/4
K
1.375
1.245
.065
1.222
.326
1.04
.00845
L
1.375
1.265
.055
1.26
.331
.884
.00873
1 1/2
K
1.625
1.481
.072
1.72
.388
1.36
.0120
L
1.625
1.505
.060
1.78
.394
1.14
.0124
2
K
2.125
1.959
.083
3.01
.522
2.06
.0209
L
2.125
1.985
.070
3.09
.520
1.75
.0215
2 1/2
K
2.625
2.435
.095
4.66
.638
2.93
.0323
L
2.625
2.465
.080
4.77
.645
2.48
.0331
3
K
3.125
2.907
.109
6.64
.761
4.00
.0461
L
3.125
2.945
.090
6.81
.761
3.33
.0473
3 1/2
K
3.625
3.385
.120
9.00
.886
5.12
.0625
L
3.625
3.425
.100
9.21
.897
4.29
.0640
4
K
4.125
3.857
.134
11.7
1.01
6.51
.0811
L
4.125
3.905
.110
12.0
1.02
5.38
.0832
5
K
5.125
4.805
.160
18.1
1.26
9.67
.126
L
5.125
4.875
.125
18.7
1.28
7.61
.130
6
K
6.125
5.741
.192
25.9
1.50
13.9
.180
L
6.125
5.854
.140
26.8
1.53
10.2
.186
8
K
8.125
7.583
.271
45.2
1.99
25.9
.314
L
8.125
7.725
.200
46.9
2.02
19.3
.325
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