Page 145 - Estimators Piping Man Hour Manual

128 Section Two-FIELD FABRICATION

LARGE O.D. LOCAL STRESS RELIEVING

Butt Welds, Nozzle Welds or Any Type Flange Weld

Carbon Steel Material
Temperatures To 1400°F

NET MAN HOURS EACH
O.D. WALL THICKNESS IN INCHES
Pipe
Size .375 .500 .750 1.00 1.25 1.50 1.75 2.00 2.25
26 9.1 9.8 11.3 11.8 12.7 14.1 16.3 18.5 21.3
28 9.5 10.5 12.2 12.7 13.8 15.2 17.7 20.0 22.9
30 10.4 11.3 13.1 13.9 14.7 16.7 19.2 21.5 24.6
32 11.2 12.3 14.3 15.0 15.8 18.1 20.8 23.2 26.5
34 12.4 13.5 15.5 16.2 17.1 19.6 22.5 24.8 28.2
36 13.6 14.7 17.0 18.1 19.3 21.5 24.5 27.0 30.6
38 14.7 16.1 18.7 20.0 21.6 23.9 27.0 29.3 33.5
40 16.1 17.6 20.6 22.3 24.3 26.6 29.7 32.0 36.5
42 17.8 19.4 22.7 24.6 27.3 29.6 32.5 35.0 39.7
44 19.9 21.5 24.7 27.0 29.7 32.5 35.8 39.2 42.8
46 21.9 23.6 26.9 29.9 32.7 36.0 39.3 42.8 46.5
48 24.4 26.0 29.2 32.7 35.8 39.3 42.9 46.3 49.8
54 28.5 29.2 32.9 36.8 40.3 45.4 49.6 53.5 57.5
60 30.4 32.4 36.6 41.9 44.7 49.2 53.6 58.0 63.6

2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50
26 23.8 26.5 29.1 31.7 34.4 37.0 39.7 42.3 45.0
28 25.5 28.2 30.8 33.5 36.1 38.8 41.4 44.0 46.6
30 27.3 29.9 32.5 35.2 37.8 40.4 43.0 45.7 48.3
32 29.1 31.7 34.3 36.9 39.6 42.2 44.9 47.5 50.1
34 30.8 33.5 36.1 38.0 41.4 44.0 46.7 49.3 52.0
36 33.2 35.9 37.3 40.4 43.8 46.5 49.1 51.8 54.4

4.75 5.00 5.25 5.50 5.75 6.00
26 47.6 50.3 52.8 55.4 58.1 60.7
28 49.2 51.9 54.5 57.2 59.8 62.4
30 50.9 53.6 56.2 58.8 61.4 64.1
32 52.8 55.4 58.1 60.6 63.3 65.9
34 54.6 57.3 59.9 62.4 65.1 67.7
36 56.9 59.6 62.2 64.9 67.5 70.2

For General Notes, see the bottom of page 126.