Page 178 - Estimators Piping Man Hour Manual

Section Three-ALLOY AND NON-FERROUS FABRICATION 161

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.
MAGNETIC OR DYE PENETRANT INSPECTION (PERCENT ADDITIVE)

MATERIAL CLASSIFICATION— GROUP NUMBERS AND PERCENTAGES
NomiRs!
Pipe Group Group Group Group Group Group Group Group Group
Size 1 2 3 4 5 6 7 8 &

2 or less 5.0 7.0 9.0 9.5 4.0 11.5 25.0 11.0 14.0
3 5.5 7.0 10.0 10,0 4.5 12.0 26.0 11.5 15.0
4 6.0 8.0 11.0 11.5 5.0 13.5 27.0 12.0 16.5
5 6.5 8.5 11.5 12.0 5.5 14.5 .. 12.5 17.0
6 7.0 9.0 12.0 13.0 6.0 15.0 28.0 13.0 19.0
8 8.0 10.0 14.0 14.0 10.0 17.5 30.0 15.0 21.0
10 9,0 11.0 15.0 16.0 15.0 19.0 35.0 17.0 23.0
12 9.5 12.0 16.0 17.0 16.0 21.0 40.0 19.0 25.0
14 10.0 13.0 17.5 19.0 20.0 23.0 .. 20.0 27.0
16 10.5 14.0 19.0 20.0 22.0 25.5 23.0 29.0
18 12.0 16.0 21.0 22.0 23.0 27.5 - 24.5 32,0
20 13.0 17.0 23.0 25.0 25.0 30.0 26.0 36.0
22 14.0 18.5 25.0 26.0 27.0 31.0 .. 28.0 38.0
24 15.0 20.0 26.0 28.0 28.0 32.0 -, 29.0 40.0
26 16.4 21.6 28.1 30.4 30.4 34.6 _ 31.2 43.4
28 17.6 23.2 30.2 32.8 32.8 37.2 33.6 46.8
30 18.9 24.9 32.4 35.1 35.1 39.9 _ 36.0 50.1
32 20.2 26.6 34.6 37.4 37.4 42.6 38.4 53.4
34 21.4 28.2 36.7 39.8 39.8 45.2 _ 40.8 56.8
86 22.7 29.9 38.9 42.1 42.1 47.9 43.2 60.1
38 23.9 31.5 41.0 44.5 44.5 50.5 _ 45.6 63.5
40 25.2 33.2 43.2 46.8 46.8 53.2 _ 48.0 66,8
42 26.5 34.9 45.4 49.1 49.1 55.9 - 50.4 70.1

ASTM A335-P1 .50% Moly
Stainless Steels
GROUP
ASTM A335-P2 .50-, 70% Chr.
4 Types 304, 309,310,316
(including "L" & "H" Grades)
GROUP ASTMA335-P12 .85-1.10% Chr.
1
ASTM A335-P1 1 1 .05- 1 .45% Chr.
GROUP Copper, Brass, Everdur
ASTM A335-P3 1 .50-2.00% Chr. 5
ASTM A335-P3b 1.75-2.25% Chr.
ASTMA-333-GR-1
ASTM A335-P22 2.00-2.50% Chr.
GROUP
GROUP 6 ASTM A-333-GR4
2 ASTMA335-P21 2.75-3.25% Chr.
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
ASTMA335-P9 8.00-10.00% Chr. GROUP Stainless Steels Types 321 & 347, Cu-NL
GROUP 8 Monel, Inconel, Incoloy, Alloy 20
3 Ferritic Chromes 10.00-15.00% Chr.
GROUP
ASTM A333 Gr. 3 3.50% Nickel 9 Aluminum