Related Resources: fluid flow
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
|