BOILER TUBES.

Table.

Dimensions of Lap Welded Boiler Tubes.

Size outside
diameter.		Wire Gauge.Weight per
foot.
1inch.15 0.708
11⁄4„15 0.9
11⁄2„14 1.250
13⁄4„13 1.665
2„13 1.981
21⁄4„13 2.238
21⁄2„12 2.755
23⁄4„12 3.045
3„12 3.333
31⁄4„11 3.958
31⁄2„11 4.272
33⁄4„11 4.590
4„10 5.320
41⁄2„10 6.010
5„ 9 7.226
6„ 8 9.346
7„ 812.435
8„ 815.109
9„ 71⁄2
10„ 61⁄2

The above is the regular manufactures’ list of sizes and weights.