Page 173 - Estimators Piping Man Hour Manual

156 Section Three-ALLOY AND NON-FERROUS FABRICATION

Fabrication of alloy and non-ferrous piping is to be figured on the same basis as for corresponding operation on
carbon steel materials, plus the percentage given below applicable to the carbon steel man hour schedules.
MACHINE CUTTING AND BEVELING PIPE (PERCENT ADDITIVE)

MATERIAL CLASSIFICATION-GROUP NUMBERS AND PERCENTAGES
XT • 1
IMOHtlTUal
Pipe Group Group Group Group Group Group Group Group Group
Size 1 2 3 4 5 6 7 8 9
2 or less 17.0 22.5 30.0 31.8 13.0 39.0 84.0 36.0 46.0
3 18.5 25.0 33.0 35.0 15.0 41.0 88.0 39.0 51.0
4 20.0 27.0 36.0 38.0 17.0 45.5 90.5 41.0 55.0
5 21.0 28.0 38.0 40.0 18.0 49.0 .. 42.0 58.0
6 23.0 31.0 41.5 42.5 20.0 50.0 94.0 43.5 64.0
8 26.0 35.0 47.0 48.0 33.5 59,0 100.5 49.5 72.0
10 28.5 38.0 51.0 54.0 50.0 64.0 117.0 57.0 78.0
12 30.0 40.0 54.0 58.0 54.0 70.0 134.0 64.0 83.0
14 33.0 44.0 59.0 62.0 67.0 78.0 ... 67.0 90.0
16 35.0 47.0 63.0 67.0 74.0 86.0 ... 77.0 96.0
18 39.5 53.0 71.0 75.0 77.0 92.0 .. 82.0 108,5
20 43.5 58.0 78.0 83.0 84.0 100.0 ., 87.0 120.0
22 46.0 62.0 83.0 88.0 89.0 103.5 .. 93.0 127.0
24 49.0 66.0 88.0 93.0 94.0 107.0 - 97.0 135.0
26 53.0 71.5 95.4 100.1 101.9 116.0 105.0 146.4
28 57.0 77.0 102.8 108.6 109.8 124.9 113.0 157.6
30 61.0 82.5 110.0 116.4 117.6 133.8 _ 121.0 168.9
32 65.3 88.0 117.4 124.2 125.4 142.7 129.3 180.2
34 69.4 93.5 124.8 131.9 133.3 151.6 137.4 191.4
36 73.4 99.0 132.0 139.7 141.1 160.6 145.4 202.7
88 77.5 104.5 139.5 147.4 149.0 169.5 _ 153.5 213.9
40 81.6 110.0 146.8 155.2 156.8 178.4 _ 161.6 225.2
42 85.7 115.5 154.0 163.0 164.6 187.3 - 169.7 236.5
ASTMA335-P1 .50% Moly
Stainless Steels
GROUP
ASTM A335-P2 .50-. 70% Chr.
4 Types 304, 309, 310, 316
(including "L" & "H" Grades)
GROUP ASTM A335-P12 .85-1.10% Chr.
1 |
| ASTMA335-P11 1.05-1.45% Chr.
GROUP
ASTMA335-P3 1.50-2.00% Chr. 5 Copper, Brass, Everdur
ASTMA335-P3b 1.75-2.25% Chr.
ASTMA-333-GR-1
ASTM A335-P22 2.00-2.50% Chr.
GROUP GROUP ASTM A-333-GR4
2 ASTMA335-P21 2.75-3.25% Chr. 6
ASTM A-333-GR9
ASTM A335-P5,b,c 4.00-6.00% Chr.

ASTM A335-P7 6.00-8.00% Chr. GROUP Hastelloy, Titanium, 99% Ni.
7
ASTM A335-P9 8.00- 10.00% Chr. GROUP Stainless Steels Types 321 & 347, Cu-Ni,
GROUP 8 Monel, Inconel, Incoloy, Alloy 20
3 Per ri tic Chromes 10.00-15.00% Chr.
GROUP
ASTM A333 Gr. 3 3.50% Nickel 9 Aluminum