Dimensions and weights of seamless tubes according to standard ASTM A450/A450M


BWG = Birmingham Wire Gauge
weights are valid for average wall thickness

Wall thickness
Outside diameter
in BWG
inch
1 1/4
1 1/2
1 3/4
2
2 1/8
2 1/4
2 1/2
3
3 1/4
3 1/2
4
4 1/4
4 1/2
5
5 1/2
Gauge
inch
mm
mm
31,75
38,10
44,45
50,80
54,00
57,00
63,50
76,20
82.50
88,90
101,60
107.95
114,30
127,00
139,70
13
2.41
kg/m
2.06
2.51
2.97
3.42
3.65
3.86
4.33
5.23
0.095
lbs/ft
1.38
1.69
1.99
2.30
2.45
2.60
2.91
3.51
12
2.77
kg/m
2.29
2.80
3.31
3.82
4.07
4.31
4.84
5.86
6.36
6.87
0.109
lbs/ft
1.53
1.88
2.22
2.56
2.73
2.90
3.24
3.93
4.27
4.61
11
3,05
kg/m
2,49
3,05
3,61
4,17
4,46
4,72
5,30
6,42
6,97
7,54
8,66
9,22
9,79
0,120
lbs/ft
1,67
2,05
2,42
2,80
2,99
3,18
3,55
4,31
4,68
5,06
5,81
6,19
6,57
10
3,40
kg/m
2,73
3,36
3,99
4,61
4,93
5,22
5,86
7,11
7,73
8,37
9,62
10,24
10,87
12,12
0,134
lbs/ft
1,84
2,26
2,68
3,10
3,31
3,52
3,94
4,78
5,20
5,62
6,46
6,88
7,30
8,14
9
3,76
kg/m
2,98
3,67
4,36
5,05
5,40
5,73
6,44
7,82
8,51
9,20
10,59
11,28
11,97
13,36
0,148
lbs/ft
2,00
2,46
2,93
3,39
3,62
3,86
4,32
5,25
5,71
6,18
7,11
7,57
8,04
8,96
8
4,19
kg/m
3,23
4,00
4,76
5,53
5,91
6,27
7,06
8,59
9,34
10,11
11,64
12,41
13,17
14,70
0,165
lbs/ft
2,17
2,69
3,20
3,71
3,97
4,23
4,74
5,77
6,28
6,79
7,82
8,33
8,84
9,87
7
4,57
kg/m
3,47
4,30
5,14
5,97
6,39
6,79
7,64
9,31
10,13
10,97
12,64
13,47
14,31
15,98
0,180
lbs/ft
2,33
2,89
3,45
4,01
4,29
4,57
5,13
6,25
6,81
7,37
8,49
9,05
9,61
10,73
6
5,16
kg/m
3,75
4,67
5,59
6,52
6,98
7,42
8,36
10,20
11,11
12,04
13,89
14,81
15,73
17,57
0,203
lbs/ft
2,52
3,14
3,75
4,37
4,68
4,99
5,61
6,84
7,46
8,08
9,52
9,98
10,55
11,79
5
5,59
kg/m
3,99
4,99
5,98
6,98
7,49
7,96
8,98
10,97
11,96
12,97
14,97
15,96
16,96
18,96
20,95
0,220
lbs/ft
2,68
3,35
4,02
4,69
5,02
5,36
6,03
7,36
8,03
8,70
10,04
10,71
11,38
12,72
14,06
4
6,05
kg/m
4,23
5,31
6,39
7,47
8,01
8,52
9,63
11,79
12,86
13,95
16,11
17,19
18,27
20,43
22,59
0,238
lbs/ft
2,84
3,56
4,29
5,01
5,37
5,73
6,46
7,91
8,63
9,36
10,81
11,53
12,26
13,70
15,15
3
6,58
kg/m
5,66
6,84
8,01
8,60
9,16
10,36
12,71
13,87
15,06
17,41
18,58
19,76
22,11
24,46
0,259
lbs/ft
3,80
4,59
5,38
5,77
6,16
6,95
8,53
9,32
10,11
11,68
12,47
13,26
14,84
16,41
2
7,21
kg/m
7,34
8,63
9,28
9,89
11,21
13,78
15,06
16,35
18,93
20,22
21,50
24,08
26,65
0,284
lbs/ft
4,93
5,80
6,23
6,66
7,53
9,26
10,12
10,98
12,71
13,58
14,44
16,17
17,90
1
7,62
kg/m
7,66
9,02
9,71
10,35
11,74
14,46
15,81
17,18
19,90
21,27
22,63
25,35
28,07
0,300
lbs/ft
5,14
6,06
6,51
6,97
7,88
9,71
10,62
11,54
13,36
14.28
15,19
17,02
18,84
0
8.64
kg/m
8.40
9.95
10.72
11.45
13.03
16.12
17.65
19.20
22.29
23.82
25.37
28.46
31.54
0.340
lbs/ft
5.64
6.68
7.19
7.71
8.75
10.82
11.85
12.89
14.96
15.99
17.03
19.10
21.17
2/0
9.65
kg/m
12.48
14.25
17.69
19.40
21.14
24.58
26.31
28.03
31.48
34.92
0.380
lbs/ft
8.41
9.56
11.88
13.03
14.19
16.50
17.66
18.82
21.13
23.45
3/0
10.80
kg/m
13.56
15.54
19.39
21.30
23.25
27.10
29.03
30.95
34.81
38.66
0.425
lbs/ft
9.14
10.43
13.02
14.31
15.61
18.19
19.49
20.78
23.37
25.96
4/0
11.53
kg/m
20.44
22.49
24.56
28.68
30.74
32.80
36.91
41.03
0.454
lbs/ft
13.72
15.11
16.49
19.25
20.63
22.02
24.78
27.54
5/0
12.70
kg/m
22.04
24.29
26.57
31.11
33.37
35.64
40.18
44.71
0.500
lbs/ft
14.79
16.32
17.84
20.88
22.41
23.93
26.97
30.02
SWG = Standard Wire Gauge
weights are valid for average wall thicknes
Wall thickness
Outside diameter
in SWG
inch
1 1/4
1 1/2
1 3/4
2
2 1/8
2 1/4
2 1/2
3
3 1/4
3 1/2
4
4 1/4
4 1/2
5
5 1/2
Gauge
inch
mm
mm
31,75
38,10
44,45
50,80
54,00
57,00
63,50
76,20
82.50
88,90
101,60
107.95
114,30
127,00
139,70
13
2,34
kg/m
2,00
2,44
2,88
3,32
3,54
0,088
lbs/ft
1,29
1,57
1,85
2,14
2,28
12
2,64
kg/m
2,19
2,68
3,16
3,65
3,89
4,12
4,62
5,59
6,07
0,104
lbs/ft
1,47
1,80
2,12
2,45
2,61
2,78
3,10
3,76
4,08
11
2,95
kg/m
2,42
2,96
3,50
4,05
4,32
4,58
5,13
6,22
6,76
7,30
0,116
lbs/ft
1,62
1,99
2,35
2,71
2,90
3,08
3,44
4,17
4,53
4,90
10
3,25
kg/m
2,63
3,23
3,83
4,42
4,73
5,01
5,62
6,82
7,41
8,01
9,21
9,81
10,40
0,128
lbs/ft
1,77
2,17
2,57
2,97
3,17
3,37
3,77
4,58
4,98
5,38
6,18
6,59
6,99
9
3,66
kg/m
2,91
3,58
4,26
4,93
5,27
5,59
6,28
7,63
8,29
8,97
10,32
10,99
11,67
13,01
0,144
lbs/ft
1,95
2,41
2,86
3,31
3,53
3,76
4,21
5,12
5,57
6,02
6,92
7,38
7,83
8,73
8
4,06
kg/m
3,15
3,89
4,63
5,37
5,75
6,10
6,86
8,34
9,07
9,82
11,30
12,04
12,78
14,26
0,160
lbs/ft
2,12
2,62
3,11
3,61
3,86
4,11
4,61
5,60
6,10
6,60
7,59
8,09
8,59
9,58
7
4,47
kg/m
3,41
4,22
5,04
5,86
6,27
6,65
7,49
9,12
9,93
10,75
12,38
13,19
14,01
15,64
0,176
lbs/ft
2,29
2,84
3,38
3,93
4,20
4,48
5,03
6,12
6,67
7,22
8,31
8,86
9,41
10,50
6
4,88
kg/m
3,59
4,46
5,34
6,21
6,65
7,06
7,95
9,69
10,56
11,43
13,18
14,05
14,92
16,66
0,192
lbs/ft
2,41
3,00
3,58
4,16
4,46
4,75
5,33
6,50
7,09
7,67
8,84
9,42
10,01
11,18
5
5,39
kg/m
3,88
4,84
5,80
6,77
7,25
7,71
8,69
10,62
11,57
12,54
14,46
15,43
16,39
18,31
0,212
lbs/ft
2,60
3,25
3,89
4,54
4,86
5,18
5,83
7,12
7,77
8,41
9,70
10,35
10,99
12,28
4
5,89
kg/m
4,15
5,20
6,25
7,30
7,83
8,33
9,40
11,51
12,55
13,61
15,71
16,76
17,82
19,92
22,02
0,232
lbs/ft
2,78
3,49
4,20
4,90
5,26
5,61
6,32
7,73
8,43
9,14
10,55
11,26
11,97
13,38
14,79
3
6,40
kg/m
5,54
6,69
7,83
8,40
8,94
10,11
12,40
13,53
14,68
16,97
18.11
19,25
21,54
23,82
0,252
lbs/ft
3,72
4,49
5,26
5,64
6,02
6,79
8,32
9,09
9,86
11,39
12,16
12,93
14,46
16,00
2
7,01
kg/m
5.93
7.19
8.44
9.07
9.66
10.94
13.44
14.68
15.95
18.45
19.70
20.95
23.45
25.96
0,276
lbs/ft
3.98
4.82
5.66
6.08
6.50
7.34
9.02
9.87
10.71
12.39
13.23
14.07
15.75
17.43
1
7,62
kg/m
7.66
9.02
9.71
10.35
11.74
14.46
15.81
17.18
19.90
21.27
22.63
25.35
28.07
0,300
lbs/ft
5.14
6.06
6.51
6.97
7.88
9.71
10.62
11,54
13,36
14.28
15,19
17,02
18,84
0
8.24
kg/m
8.12
9.59
10.33
11.02
12.53
15.47
16.93
18.41
21.35
22.82
24.29
27.23
30,17
0.324
lbs/ft
5.45
6.43
6.93
7.42
8.41
10.38
11.36
12.35
14.32
15.31
16.30
18.27
20,24
2/0
8.84
kg/m
8.54
10.12
10.92
11.66
13.28
16.43
18.00
19.59
22.74
24.32
25.90
29.06
32,21
0.348
lbs/ft
5.73
6.79
7.32
7.85
8.91
11.03
12.09
13.15
15.27
16.33
17.39
19.51
21,63
3/0
9.45
kg/m
12.28
14.00
17.37
19.05
20.75
24.12
25.81
27.49
30.86
34,24
0.372
lbs/ft
8.27
9.40
11.67
12.80
13.93
16.20
17.33
18.46
20.73
22,99
4/0
10.16
kg/m
12.97
14.83
18.46
20.26
22.08
25.71
27.53
29.34
32.97
36,60
0.400
lbs/ft
8.74
9.96
12.39
13.61
14.51
17.26
18.48
19.77
22.13
24,57
5/0
10.97
kg/m
13.73
15.73
19.65
21.59
23.57
27.48
29.44
31.40
35.32
39,24
0.432
lbs/ft
9.25
10.56
13.19
14.51
15.82
18.45
19.77
21.08
23.71
26,34
6/0
11.78
kg/m
20.79
22.88
24.99
29.20
31.30
33.41
37.61
41,82
0.464
lbs/ft
13.96
15.37
16.79
19.61
21.02
22.44
25.26
28,09
7/0
12.70
kg/m
22.04
24.29
26.57
31.11
33.37
35.64
40.18
44,71
0.500
lbs/ft
14.79
16.32
17.84
20.88
22.41
23.93
26.97
30,02
Hot finished tubes are usually delivered with average wall thickness (two sided tolerances of WT).
Method of manufacture and delivery conditions – hot finished or cold drawn – depend on tube dimension or upon agreement.



Allowed outside diameter tolerances according to ASTM A450 / A450M, ASTM A1016 / A1016M (ASME SA)
Outside diameter
Hot finished tubes
to 4" (101.6 mm)
- 1/ 32 (0.8 mm)
+1/64 (0,4 mm)
over 4" - 7 1/2" (101.6 - 190.5 mm)
-3/64 (1.2 mm)
+1/64 (0,4 mm)
Cold finished tubes
to 1" (25.4 mm)
- 0.004 (0.1 mm)
+ 0.004 (0.1 mm)
over 1" - 1 1/2" (25.4 - 38.1 mm)
- 0.006 (0.15 mm)
+ 0.006 (0.15 mm)
over 1 1/2" - 2" (38.1 - 50.8 mm)
- 0.008 (0.2 mm)
+ 0.008 (0.2 mm)
over 2" - 2 1/2" (50.8 - 63.5 mm)
- 0.010 (0.25 mm)
+ 0.010 (0.25 mm)
over 2 1/2" - 3" (63.5 - 76.2 mm)
- 0.012 (0.3 mm)
+ 0.012 (0.3 mm)
over 3" - 4" (76.2 - 101.6 mm)
- 0.015 (0.38 mm)
+ 0.015 (0.38 mm)
over 4" - 7 1/2 " (101.6 - 190.5 mm)
- 0.015 (0.38 mm)
+ 0.025 (0.64 mm)
Allowed wall thickness tolerances according to ASTM A450 / A450M, ASTM A1016 / A1016M (ASME SA)
Wall thickness
Hot finished tubes
to 0,095" (2.4 mm)
over 0,095" - 0.15" (2.4 - 3.8 mm)
to 0,15" - 0.18" (3.8 - 4.6 mm)
over 0,18" (4.6 mm)
0 + 40 %
0 + 35 %
0 + 33 %
0 + 28 %
Cold finished tubes
with outside diameter
to 1 1/2" (38.1 mm)
0 + 20 %
over 1 1/2" (38.1 mm)
0 + 22 %