Page 66 - Estimators Piping Man Hour Manual

Section One-SHOP FABRICATION 49

THREADING PIPE—INCLUDING CUT

Labor for Cutting and Threading Only
Carbon Steel Material

NET MAN HOURS EACH
Pipe Standard Extra Hvy.
Size Pipe& Pipe& SCHEDULE NUMBERS
Inches O.D. Sizes O.D. Sizes
3/8 "Thick 1/2 "Thick 20 30 40 60 80 100 120 140 160

2 " or less 0.17 0.25 .. 0.17 .. 0.25 „ „ 0.36
2-1/2 0.23 0.34 -- - 0.23 -- 0.34 .. - 0.40
3 0.25 0.36 .. ... 0.25 0.36 -- .. 0,49
4 0.36 0.49 0.36 -- 0.49 -- 0.71 .. 0.76
5 0.46 0.66 -- 0.46 .. 0.66 -- 0.77 0.91
6 0.59 0.79 .. .. 0.59 0.79 .. 1.00 " 1.14
8 0.82 1.14 0.82 0.82 0.82 1.07 1.14 1.39 1.55 1.73 2.02
10 1.17 1.56 1.17 1.17 1.17 1.56 1.79 2.07 2.19 2.61 3.09
12 1.30 2.07 1.30 1.30 1.75 2.33 2.46 2.69 3.09 3.51 3.71

14O.D. 1.75 2.26 1.75 1.75 2.26 2.50 2.87 3.26 3.51
16O.D. 2.01 2.92 2.01 2.01 2.92 3.14 3.51 3.71 4.13 - ..
18O.D. 2.50 3.51 2.50 3.09 3.51 3.71 4.13 4.59 -
20 O.D. 3.00 4.00 3.00 4.00 4.81 5.22 5.50 - ..
24O.D. 4.39 5.84 4.39 6.13 6.50 6.72 7.09 .. ... ...

Above man hours are for die cut IPS pipe threads only.
For shop make-on of screwed fittings use 50% of the above man hours.
For threading the ends of bends, add 100% to the above man hours.