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No plate or rolled section shall be under the specified
thickness at any part, nor more than 5 per cent over the calculated
weight, except that in the case of thin plates and wide plates
the weight tolerances shall be as set out in the table below:
Schedule of percentage of Rolling weight tolerances for
boiler plates
Thickness
Width in inches
|
|
|
Under 48
|
48 to under 60
|
60 to under 72
|
72 to under 84
|
84 to under 96
|
96 to under 108
|
108 to under120
|
120 to under 132
|
132 and over
|
|
In
|
%
|
%
|
%
|
%
|
%
|
%
|
%
|
%
|
%
|
|
¼ to under 5/16
|
5
|
5
|
5
|
7
|
9
|
12
|
-
|
-
|
-
|
|
5/16 to under 3/8
|
5
|
5
|
5
|
6
|
7.5
|
10
|
11
|
12
|
-
|
|
3/8 to under 7/16
|
5
|
5
|
5
|
6
|
6
|
8
|
9
|
11
|
15
|
|
7/16 to under ½
|
5
|
5
|
5
|
5
|
6
|
7.5
|
8
|
9
|
12
|
|
½ to under 5/8
|
5
|
5
|
5
|
5
|
6
|
6
|
7.5
|
9
|
10
|
|
5/8 to under ¾
|
5
|
5
|
5
|
5
|
5
|
5
|
7
|
8
|
9
|
|
¾ to under 1
|
5
|
5
|
5
|
5
|
5
|
5
|
6
|
7
|
8
|
|
1 to under 2
|
5
|
5
|
5
|
5
|
5
|
5
|
5
|
9
|
7
|
All the above margins will be taken over nett theoretical
weight.
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