Douglas Bros. Specialist in the manufacture of Stainless Steel Pipe, fittings, & Stainless Steel Custom Products
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REDUCERS

Schedules


U.S. STANDARDS

NOM.
SIZE		 DIMENSIONS SCHEDULE 5s SCHEDULE 10s
O.D.
MAJOR		 O.D.
MINOR		 A NOM.
WALL		 WEIGHT NOM.
WALL		 WEIGHT
3 X 2 1/2 3.500 2.875 3 1/2 .083 0.8 .120 1.2
4 X 3 4.500 3.500 4 .083 1.1 .120 1.8
6 X 4 6.625 4.500 5 1/2 .109 2.7 .134 3.6
8 X 6 8.625 6.625 6 .109 4.5 .148 6.1
10 X 8 10.75 8.625 7 .134 7.5 .165 10.0
12 X 10 12.75 10.75 8 .156 12.5 .180 15.2
14 X 12 14000 12.750 13 .156 24.6 .188 31.1
16 X 14 16.000 14.000 14 .165 30.4 .188 38.8
18 X 16 18.000 16.000 15 .165 38.0 .188 47.2
20 X 18 20.000 18.000 20 .188 63.8 .218 75.3
24 X 20 24.000 20.000 20 .218 87.4 .250 99.7

 

Gauges


U.S. STANDARDS

NOM. SIZE DIMENSIONS 14 GA.
(.078)		 12 GA.
(.109)		 11 GA.
(.125)		 10 GA.
(.140)		 3/16
(188)		 1/4
(.250)		 5/16
(.312)		 3/8
(.375)
O.D. MAJOR O.D. MINOR A WEIGHT
3 x 2-1/2 3.5 2.875 3-1/2 0.8 1.1
4 x 3 4.5 3.5 4 1.1 1.5
6 x 4 6.625 4.5 5-1/2 3
8 x 6 8.625 6.625 6 4.5 5.1
10 x 8 10.75 8.625 7 6.7 7.6 8.6
12 x 10 12.75 10.75 8 10 10.6 11.9
14 x 12 14 12.75 13 19.7 22.1
16 x 14 16 14 14 23.7 26.8 38.8 50.3
18 x 16 18 16 15 28.8 32.5 47.2 61.1
20 x 18 20 18 20 43 48.4 70.4 91.2
24 x 20 24 20 20 49.8 56.2 81.6 105.9 130 151.9
30 x 24 30 24 24 73.4 82.8 120.3 156.3 192 220
36 x 30 36 30 24 101.3 147.3 191.3 235.1 276.1
42 x 36 42 36 24 119.3 174.2 226.3 278.2 326.3
48 x 42 48 42 24 201.1 261.3 321.4 378.1
54 x 48 54 48 24 228.1 296.3 364.6 427.9
60 x 54 60 54 24 255 331.4 407.8 469.6

     Manufactured to ASTM A774
     Materials: 304L and 316L
     Dimensions conform to ANSI B16.9
     Reducers are Pickled and Passivated
     Other Size Reductions Available on Request