Cold drawn heat exchangers tubes with minimum wall thickness (sizes in inches)




Outside
Minimum wall thickness
diameter
BWG (inch)
20 (.035)
18 (.049)
16 (.065)
14 (.083)
13 (.095)
12 (.109)
11 (.120)
10 (.134)
9 (.148)
8 (.165)
7 (.180)
6 (.203)
5 (.220)
[mm]
[inch]
[mm]
0,89
1,24
1,65
2,11
2,41
2,77
3,05
3,40
3,76
4,19
4,57
5,16
5,59
1/2
lb/ft
0,190
0,256
0,327
0,399
0,441
0,487
0,519
0,555
0,586
12,70
.500
kg/m
0,283
0,381
0,487
0,594
0,657
0,725
0,773
0,826
0,873
5/8
lb/ft
0,242
0,328
0,423
0,521
0,581
0,647
0,696
0,752
0,804
15,88
.625
kg/m
0,360
0,488
0,630
0,776
0,865
0,964
1,036
1,120
1,198
3/4
lb/ft
0,400
0,518
0,643
0,720
0,807
0,872
0,948
1,021
19,05
.750
kg/m
0,595
0,771
0,957
1,072
1,202
1,299
1,412
1,521
7/8
lb/ft
0,472
0,614
0,767
0,864
0,973
1,056
1,158
22,23
.875
kg/m
0,702
0,913
1,141
1,285
1,448
1,571
1,722
1
lb/ft
0,543
0,709
0,887
0,998
1,128
1,225
1,342
1,456
1,587
1,696
25,40
1.000
kg/m
0,808
1,056
1,321
1,487
1,680
1,824
1,998
2,169
2,363
2,526
1 1/4
lb/ft
0,686
0,900
1,131
1,277
1,448
1,577
1,734
1,891
2,071
2,225
2,451
2,607
31,75
1.250
kg/m
1,022
1,340
1,684
1,902
2,157
2,349
2,583
2,816
3,085
3,313
3,650
3,882
1 1/2
lb/ft
0,830
1,090
1,375
1,556
1,769
1,930
2,128
2,326
2,556
2,753
3,047
3,253
38,10
1.500
kg/m
1,236
1,624
2,048
2,317
2,634
2,875
3,169
3,464
3,807
4,100
4,538
4,845
2
lb/ft
1,472
1,863
2,114
2,409
2,636
2,914
3,196
3,525
3,810
4,241
4,547
50,80
2.000
kg/m
2,192
2,775
3,148
3,588
3,925
4,340
4,759
5,250
5,674
6,316
6,771
2 1/2
lb/ft
1,854
2,351
2,671
3,050
3,341
3,701
4,066
4,494
4,867
5,435
5,839
63,50
2.500
kg/m
2,761
3,502
3,978
4,542
4,976
5,512
6,055
6,693
7,249
8,094
8,696
3
lb/ft
2,840
3,228
3,691
4,047
4,487
4,935
5,464
5,924
6,628
7,132
76,20
3.000
kg/m
4,229
4,808
5,497
6,027
6,683
7,350
8,137
8,823
9,871
10,622
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Cold drawn heat exchangers tubes with average wall thickness (sizes in inches)

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Outside
Average wall thickness
diameter
BWG (inch)
20 (.035)
18 (.049)
16 (.065)
14 (.083)
13 (.095)
12 (.109)
11 (.120)
10 (.134)
9 (.148)
8 (.165)
7 (.180)
6 (.203)
5 (.220)
[mm]
[inch]
[mm]
0,89
1,24
1,65
2,11
2,41
2,77
3,05
3,40
3,76
4,19
4,57
5,16
5,59
1/2
lb/ft
0.173
0.236
0.302
0.369
0.410
0.445
0.487
0.523
0.557
12,70
.500
kg/m
0,259
0,351
0,450
0,551
0,612
0,678
0,726
0,780
0,829
5/8
lb/ft
0.220
0.301
0.388
0.480
0.537
0.600
0.647
0.703
0.754
15,88
.625
kg/m
0,328
0,447
0,579
0,716
0,801
0,897
0,965
1,046
1,124
3/4
lb/ft
0.267
0.366
0.475
0.591
0.664
0.745
0.807
0.881
0.952
19,05
.750
kg/m
0,398
0,547
0,708
0,881
0,989
1,110
1,203
1,312
1,418
7/8
lb/ft
0.432
0.562
0.702
0.791
0.891
0.967
1.060
22,23
.875
kg/m
0,643
0,836
1,045
1,177
1,326
1,439
1,577
1
lb/ft
0.497
0.649
0.812
0.918
1.037
1.128
1.239
1.346
1.471
1.575
25,40
1.000
kg/m
0,740
0,966
1,212
1,366
1,550
1,681
1,845
2,006
2,192
2,347
1 1/4
lb/ft
0.628
0.822
1.034
1.172
1.328
1.448
1.597
1.741
1.912
2.056
2.272
2.417
31,75
1.250
kg/m
0,933
1,225
1,542
1,744
1,980
2,159
2,377
2,595
2,848
3,063
3,383
3,606
1 1/2
lb/ft
0.759
0.996
1.256
1.426
1.619
1.769
1.955
2.137
2.353
2.537
2.814
3.009
38,10
1.500
kg/m
1,127
1,483
1,870
2,121
2,413
2,636
2,909
3,184
3,504
3,779
4,191
4,481
2
lb/ft
1.343
1.699
1.933
2.201
2.409
2.670
2.929
3.246
3.499
3.896
4.185
50,80
2.000
kg/m
2,000
2,533
2,876
3,281
3,591
3,974
4,362
4,816
5,210
5,807
6,232
2 1/2
lb/ft
1.690
2.143
2.440
2.783
3.050
3.385
3.717
4.126
4.460
4.980
5.360
63,50
2.500
kg/m
2,517
3,194
3,631
4,148
4,547
5,039
5,539
6,128
6,641
7,424
7,983
3
lb/ft
2.586
2.947
3.365
3.691
4.102
4.508
5.006
5.421
6.064
6.536
76,20
3.000
kg/m
3,855
4,385
5,016
5,502
6,104
6,717
7,440
8,072
9,040
9,734


see also

Cold drawn heat exchangers tubes (sizes in mm)