_Dimensions of Lap Welded Boiler Tubes._
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Size outside | Wire |Weight per
diameter. | Gauge. | foot.
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1 inch. | 15 | 0.708
1-1/4 „ | 15 | 0.9
1-1/2 „ | 14 | 1.250
1-3/4 „ | 13 | 1.665
2 „ | 13 | 1.981
2-1/4 „ | 13 | 2.238
2-1/2 „ | 12 | 2.755
2-3/4 „ | 12 | 3.045
3 „ | 12 | 3.333
3-1/4 „ | 11 | 3.958
3-1/2 „ | 11 | 4.272
3-3/4 „ | 11 | 4.590
4 „ | 10 | 5.320
4-1/2 „ | 10 | 6.010
5 „ | 9 | 7.226
6 „ | 8 | 9.346
7 „ | 8 | 12.435
8 „ | 8 | 15.109
9 „ | 7-1/2|
10 „ | 6-1/2|
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The above is the regular manufactures’ list of sizes and weights.