Page 79 - Estimators Piping Man Hour Manual

62 Section One-SHOP FABRICATION

LARGE O.D. LOCAL STRESS RELIEVING
Butt Welds, Nozzle Welds or Any Type of Flange Weld

Carbon Steel Material
Temperatures to 1400° F.

NET MAN HOURS EACH
O.D. WALL THICKNESS IN INCHES
Pipe
T3'
Size .375 .500 .750 1.00 1.25 1.50 1.75 2.00 2.25
26 7.9 8.5 9.8 10.3 11.0 12.3 14.2 16.1 18.5
28 8.3 9.1 10.6 11.0 12.0 13.2 15.4 17.4 19.9
30 9.0 9.8 11.4 12.1 12.8 14.5 16.7 18.7 21.4
32 9.8 10.7 12.4 13.0 13.7 15.7 18.1 20.2 23.0
34 10.8 11.7 13.5 14.1 14.9 17.0 19.6 21.6 24.5
36 11.8 12.8 14.8 15.7 16.8 18.7 21.3 23.5 26.6
38 12.8 14.0 16.3 17.4 18.8 20.8 23.5 25.5 29.1
40 14.0 15.3 17.9 19.4 21.1 23.1 25.8 27.8 31.7
42 15.5 16.9 19.7 21.4 23.7 25.7 28.3 30.4 34.5
44 17.3 18.7 21.5 23.5 25.8 28.3 31.1 34.1 37.2
46 19.0 20.5 23.4 26.0 28.4 31.3 34.2 37.2 40.4
48 21.2 22.6 25.4 28.4 31.1 34.2 37.3 40.3 43.3
54 24.8 25.4 28.6 32.0 35.0 38.5 42.0 45.3 48.7
60 26.4 28.2 31.8 35.5 38.9 42.8 46.6 50.4 55.3
2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.25 4,50
26 20.7 23.0 25.3 27.6 29.9 32.2 34.5 36.8 39.1
28 22.2 24.5 26.8 29.1 31.4 33.7 36.0 38.3 40.5
30 23.7 26.0 28.3 30.6 32.9 35.1 37.4 39.7 42.0
32 25.3 27.6 29.8 32.1 34.4 36.7 39.0 41.3 43.6
34 26.8 29.1 31.4 33.0 36.0 38.3 40.6 42.9 45.2
36 28.9 31.2 32.4 35.1 38.1 40.4 42.7 45.0 47.3
4.75 5.00 5.25 5.50 5.75 6.00
26 41.4 43.7 45.9 48.2 50.5 52.8
28 42.8 45.1 47.4 49.7 52.0 54.3
30 44.3 46.6 48.9 51.1 53.4 55.7
32 45.9 48.2 50.5 52.7 55.0 57.3
34 47.5 49.8 52.1 54.3 56.6 58.9
36 49.9 51.8 54.1 56.4 58.7 61.0
For General Notes, nee the bottom of page 60.