Sheet Metal Gages and Tolerances
This page contains information regarding Sheet Metal Gages and Tolerances for three common gages - 000 down to number 27 (0.419 to 0.0142 inches)
|
Gage
No. |
American or Brown & Sharp
Non-Ferrous |
U.S. Standard Revised
Sheet Steel |
Birmingham or Stubs
Strip & Tubing |
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|
Gage Decimal
|
lbs./ft.²
1100,6061 Aluminum |
Gage
Decimal |
lbs./ft.²
Steel Strip |
Gage Decimal
|
lbs./ft.²
Steel Strip |
|
|
000
|
.4196
|
-
|
.375
|
15.300
|
.425
|
15.300
|
|
00
|
.3648
|
-
|
.3437
|
14.025
|
.380
|
14.025
|
|
0
|
.3249
|
-
|
.3125
|
12.750
|
.340
|
12.750
|
|
1
|
.2893
|
-
|
.2812
|
11.475
|
.300
|
11.475
|
|
2
|
.2576
|
-
|
.2656
|
10.837
|
.284
|
10.837
|
|
3
|
.2294
|
-
|
.2391
|
9.754
|
.259
|
10.200
|
|
4
|
.2043
|
-
|
.2242
|
9.146
|
.238
|
9.562
|
|
5
|
.1819
|
-
|
.2092
|
8.534
|
.220
|
8.925
|
|
6
|
.1620
|
2.286
|
.1943
|
7.926
|
.203
|
8.287
|
|
7
|
.1443
|
2.036
|
.1793
|
7.315
|
.180
|
7.343
|
|
8
|
.1285
|
1.813
|
.1644
|
6.707
|
.165
|
6.731
|
|
9
|
.1144
|
1.614
|
.1495
|
6.099
|
.148
|
6.038
|
|
10
|
.1019
|
1.438
|
.1345
|
5.487
|
.134
|
5.467
|
|
11
|
.0907
|
1.280
|
.1196
|
4.879
|
.120
|
4.895
|
|
12
|
.0808
|
1.140
|
.1046
|
4.267
|
.109
|
4.447
|
|
13
|
.0720
|
1.016
|
.0897
|
3.659
|
.095
|
3.876
|
|
14
|
.0641
|
.905
|
.0747
|
3.047
|
.083
|
3.386
|
|
15
|
.0571
|
.806
|
.0673
|
2.746
|
.072
|
2.937
|
|
16
|
.0508
|
.717
|
.0598
|
2.440
|
.065
|
2.652
|
|
17
|
.0453
|
.639
|
.0538
|
2.195
|
.058
|
2.366
|
|
18
|
.0403
|
.569
|
.0478
|
1.950
|
.049
|
1.999
|
|
19
|
.0359
|
.507
|
.0418
|
1.705
|
.042
|
1.713
|
|
20
|
.0320
|
.452
|
.0359
|
1.465
|
.035
|
1.428
|
|
21
|
.0285
|
.402
|
.0329
|
1.342
|
.032
|
1.305
|
|
22
|
.0253
|
.357
|
.0299
|
1.220
|
.028
|
1.142
|
|
23
|
.0226
|
.319
|
.0269
|
1.097
|
.025
|
1.020
|
|
24
|
.0201
|
.284
|
.0239
|
.975
|
.022
|
.898
|
|
25
|
.0179
|
.253
|
.0209
|
.853
|
.020
|
.816
|
|
26
|
.0159
|
.224
|
.0179
|
.730
|
.018
|
.734
|
|
27
|
.0142
|
.200
|
.0164
|
.669
|
|
|
Sheet Metal Thickness Tolerances During the rolling process that produces the sheet stock, a certain amount of "bowing" occurs in the rollers. This results in the sheet being slightly thinner at the edges than at the center of the sheet.
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