Section 5 Pipe and Tube Sizes

5-20
Pipe and Tube Sizes
General Purpose Seamless Tube
The following table lists tube sizes commonly manufactured to ASTM A 269 or ASTM
A 511. The tables are based on manufacturer’s information.
Imperial dimensions and weights per metre
OD
in
Wall thickness, in
0.020 0.022 0.028 0.035 0.036 0.048 0.064 0.080 0.104 0.125 0.188 0.250 0.375
Weight, kg/m (conventional weights)
1
/8 0.034 0.037 0.044 0.052
3
/16 0.059 0.072 0.088 0.109
1
/4 0.075 0.081 0.101 0.125 0.157 0.193
5
/16 0.129 0.161 0.206 0.258
3
/8 0.157 1.20 0.254 0.323 0.383 0.507
7
/16 0.234 0.525
1
/2 0.214 0.264 0.273 0.352 0.452 0.545 0.760
5
/8 0.344 0.449 0.582 0.714 1.01
3
/4 0.417 0.546 0.712 0.869 1.09 1.27 1.71
7
/8 0.643 0.841 1.03 1.52
1 0.563 0.741 0.971 1.19 1.51 1.77 2.48 3.04 3.80
11 /8 0.838 1.10
11 /4 0.944 1.23 1.52 2.28
13 /8 0.781 1.36
1 1 /2 0.854 1.49 1.84 2.79 4.00 5.07
1 5 /8
1.62
13 /4 1.32 1.75 3.29
2 2.01 3.80 7.09
21 /4 4.31 8.11
21 /2 2.53 4.81 9.12
23 /4
2.79
3 3.05 3.79 5.83 11.1
31 /2
13.2
4 7.85 15.2
5 19.4
6 23.5
Metric dimensions and weights per metre
OD
mm
Wall thickness, mm
0.5 1.0 1.5 2.0 2.5 3.0 4.0
6 0.069 0.126 0.170
8 0.176 0.245
Weight, kg/m (conventional weights)
10 0.226 0.321 0.403
12 0.277 0.396 0.503
14 0.462 0.604
15 0.352 0.510 0.654
16 0.547 0.705
18 0.623
20 0.698 0.888 1.28
22 0.774 1.02
25 0.887 1.16 1.43 1.66
28 1.00 1.31
30 1.41 2.04
36 1.66
38 2.64 3.42
40 1.91
42 2.01
50 2.42
Note
- Conventional weights are quoted in both tables above.
For austenitic stainless steels multiply the quoted weight by 1.014.
For ferritic and martensitic steels multiply the quoted weight by 0.985.
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