Page 78 - Estimators Piping Man Hour Manual

Section One-SHOP FABRICATION 61

Carbon Steel Material
Temperatures To 1400° F.

NET MAN HOURS EACH

Nominal WALL THICKNESS IN INCHES
Pipe
Size .750 1.00 1.25 1.50 1.75 2.00 2.25 2.50
3 4.5 4.7 .. .. „ .. ..
4 4.7 5.2 5.6 6.0 „ „ ..
5 - 5.5 5.9 6.3 6.7 7.2
6 - 5.9 6.3 6.8 7.2 7.9 8.5 .,
8 .. 6.5 6.8 7.4 7.8 8.3 8.9 9.5
10 - .. 7.1 7.7 8.1 8.6 9.0 9.8
12 - - « 7.9 8.4 9.0 9.5 10.1
14 - - ,. 8.4 9.0 9.8 10.2 10.8
16 .. - .. ., 9.4 10.1 10.7 11.4
18 - - .. - „ 10.7 11.4 12.2
20 - - ., .. ., 11.6 12.4 13.2
22 .. .. „ .. - „ .. 14.3
24 -- -- -- -- -- -- -- 15.4

2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50
10 10.4 11.0 .. .. „ „ .. „
12 10.8 11.6 12.3 13.2 .. .. .. „
14 11.6 12.4 13.2 14.1 14.8 15.9 .. ..
16 12.2 13.0 13.9 14.7 15.7 16.8 .. .,
18 13.0 13.9 14.7 15.9 16.9 18.1 .. ..
20 14.1 15.1 16.0 17.0 18.4 19.7 21.1 22.5
22 15.1 16.7 17.4 18.5 19.8 21.1 22.5 23.8
24 16.4 17.5 18.7 19.9 21.3 22.6 24.0 25.3

4.75 5.00 5.25 5.50 5.75 6.00
20 23.8 25.2 26.5 27.9 29.3 30.7
22 25.2 26.6 27.9 29.3 30.7 32.1
24 26.6 28.0 29.3 30.7 32.0 33.4
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For General A ote.s, see the bottom of page 60.