Medidor de chapa metálica

Essa é a espessura teórica da bitola. A espessura real varia de acordo com a usina em que foi laminado, o número do lote, etc. Além disso, observe que as bitolas não ferrosas (alumínio, cobre, latão) não são iguais às bitolas ferrosas (aço e aço inoxidável).

Medidor de chapa metálica	Não ferrosos Bitola de Brown e Sharpe	Não ferrosos Bitola de Brown e Sharpe	Não ferrosos Bitola de Brown e Sharpe	Chapa de aço	Chapa de aço	Tira e Tubulação Birmingham ou Stubs Medidor	Tira e Tubulação Birmingham ou Stubs Medidor
	lbs./pés quadrados. 1100,6061 Alumínio	Medidor Decimal (polegadas)	lbs./pés quadrados. Liga 260 Latão	Medidor Decimal (polegadas)	lbs./pés quadrados. Fita de aço	Bitola decimal (polegadas)	lbs./pés quadrados. Fita de aço
000000	–	.5800	–	–	–	–	–
00000	–	.5165	–	–	–	.500	20.40
0000	–	.4600	–	–	–	.454	18.52
000	–	.4096	–	–	–	.425	17.34
00	–	.3648	–	–	–	.380	15.50
0	–	.3249	–	–	–	.340	13.87
1	–	.2893	–	–	–	.300	12.24
2	–	.2576	–	–	–	.284	11.59
3	–	.2294	–	.2391	9.754	.259	10.57
4	–	.2043	–	.2242	9.146	.238	9.710
5	–	.1819	–	.2092	8.534	.220	8.975
6	2.286	.1620	7.185	.1943	7.926	.203	8.281
7	2.036	.1443	6.400	.1793	7.315	.180	7.343
8	1.813	.1285	5.699	.1644	6.707	.165	6.731
9	1.614	.1144	5.074	.1495	6.099	.148	6.038
10	1.438	.1019	4.520	.1345	5.487	.134	5.467
11	1.280	.0907	4.023	.1196	4.879	.120	4.895
12	1.140	.0808	3.584	.1046	4.267	.109	4.447
13	1.016	.0720	3.193	.0897	3.659	.095	3.876
14	.905	.0641	2.843	.0747	3.047	.083	3.386
15	.806	.0571	2.532	.0673	2.746	.072	2.937
16	.717	.0508	2.253	.0598	2.440	.065	2.652
17	.639	.0453	2.009	.0538	2.195	.058	2.366
18	.569	.0403	1.787	.0478	1.950	.049	1.999
19	.507	.0359	1.592	.0418	1.705	.042	1.713
20	.452	.0320	1.419	.0359	1.465	.035	1.428
21	.402	.0285	1.264	.0329	1.342	.032	1.305
22	.357	.0253	1.122	.0299	1.220	.028	1.142
23	.319	.0226	1.002	.0269	1.097	.025	1.020
24	.284	.0201	.892	.0239	.975	.022	.898
25	.253	.0179	.794	.0209	.853	.020	.816
26	.224	.0159	.705	.0179	.730	.018	.734
27	.200	.0142	.630	.0164	.669

Tamanho da bitola da chapa metálica para aço e alumínio

Bitola de chapa de metal	Aço	Aço	Alumínio	Alumínio
–	(polegadas)	(mm)	(polegadas)	(mm)
3	.2391	6.073	.2294	5.827
4	.2242	5.695	.2043	5.189
5	.2092	5.314	.1819	4.620
6	.1943	4.935	.1620	4.115
7	.1793	4.554	.1443	3.665
8	.1644	4.176	.1285	3.264
9	.1495	3.797	.1144	2.906
10	.1345	3.416	.1019	2.588
11	.1196	3.030	.0907	2.304
12	.1046	2.657	.0808	2.052
13	.0897	2.278	.0720	1.829
14	.0747	1.897	.0641	1.628
15	.0673	1.709	.0571	1.450
16	.0598	1.519	.0508	1.290
17	.0538	1.367	.0453	1.151
18	.0478	1.214	.0403	1.024
19	.0418	1.062	.0359	0.912
20	.0359	0.912	.0320	0.813
21	.0329	0.836	.0285	0.724
22	.0299	0.759	.0253	0.643
23	.0269	0.683	.0226	0.574
24	.0239	0.607	.0201	0.511
25	.0209	0.531	.0179	0.455
26	.0179	0.455	.0159	0.404
27	.0164	0.417	.0142	0.361
28	.0149	0.378	.0126	0.320
29	.0135	0.343	.0113	0.287
30	.0120	0.305	.0100	0.254
31	.0105	0.267	.0089	0.226
32	.0097	0.246	.0080	0.203
33	.0090	0.229	.0071	0.180
34	.0082	0.208	.0063	0.160
35	.0075	0.191	.0056	0.142

Medidor de chapa metálica para aço, aço galvanizado, aço inoxidável, alumínio, zinco

Medidor de chapa metálica	Aço em (mm)	Aço galvanizado em (mm)	Aço inoxidável em (mm)	Alumínio em (mm)	Zinco em (mm)
3	0.2391 (6.07)	–	–	–	0.006 (0.15)
4	0.2242 (5.69)	–	–	–	0.008 (0.20)
5	0.2092 (5.31)	–	–	–	0.010 (0.25)
6	0.1943 (4.94)	–	–	0.162 (4.1)	0.012 (0.30)
7	0.1793 (4.55)	–	0.1875 (4.76)	0.1443 (3.67)	0.014 (0.36)
8	0.1644 (4.18)	0.1681 (4.27)	0.1719 (4.37)	0.1285 (3.26)	0.016 (0.41)
9	0.1495 (3.80)	0.1532 (3.89)	0.1563 (3.97)	0.1144 (2.91)	0.018 (0.46)
10	0.1345 (3.42)	0.1382 (3.51)	0.1406 (3.57)	0.1019 (2.59)	0.020 (0.51)
11	0.1196 (3.04)	0.1233 (3.13)	0.1250 (3.18)	0.0907 (2.30)	0.024 (0.61)
12	0.1046 (2.66)	0.1084 (2.75)	0.1094 (2.78)	0.0808 (2.05)	0.028 (0.71)
13	0.0897 (2.28)	0.0934 (2.37)	0.094 (2.4)	0.072 (1.8)	0.032 (0.81)
14	0.0747 (1.90)	0.0785 (1.99)	0.0781 (1.98)	0.0641 (1.63)	0.036 (0.91)
15	0.0673 (1.71)	0.0710 (1.80)	0.07 (1.8)	0.057 (1.4)	0.040 (1.0)
16	0.0598 (1.52)	0.0635 (1.61)	0.0625 (1.59)	0.0508 (1.29)	0.045 (1.1)
17	0.0538 (1.37)	0.0575 (1.46)	0.056 (1.4)	0.045 (1.1)	0.050 (1.3)
18	0.0478 (1.21)	0.0516 (1.31)	0.0500 (1.27)	0.0403 (1.02)	0.055 (1.4)
19	0.0418 (1.06)	0.0456 (1.16)	0.044 (1.1)	0.036 (0.91)	0.060 (1.5)
20	0.0359 (0.91)	0.0396 (1.01)	0.0375 (0.95)	0.0320 (0.81)	0.070 (1.8)
21	0.0329 (0.84)	0.0366 (0.93)	0.034 (0.86)	0.028 (0.71)	0.080 (2.0)
22	0.0299 (0.76)	0.0336 (0.85)	0.031 (0.79)	0.025 (0.64)	0.090 (2.3)
23	0.0269 (0.68)	0.0306 (0.78)	0.028 (0.71)	0.023 (0.58)	0.100 (2.5)
24	0.0239 (0.61)	0.0276 (0.70)	0.025 (0.64)	0.02 (0.51)	0.125 (3.2)
25	0.0209 (0.53)	0.0247 (0.63)	0.022 (0.56)	0.018 (0.46)	–
26	0.0179 (0.45)	0.0217 (0.55)	0.019 (0.48)	0.017 (0.43)	–
27	0.0164 (0.42)	0.0202 (0.51)	0.017 (0.43)	0.014 (0.36)	–
28	0.0149 (0.38)	0.0187 (0.47)	0.016 (0.41)	0.0126 (0.32)	–
29	0.0135 (0.34)	0.0172 (0.44)	0.014 (0.36)	0.0113 (0.29)	–
30	0.0120 (0.30)	0.0157 (0.40)	0.013 (0.33)	0.0100 (0.25)	–
31	0.0105 (0.27)	0.0142 (0.36)	0.011 (0.28)	0.0089 (0.23)	–
32	0.0097 (0.25)	–	–	–	–
33	0.0090 (0.23)	–	–	–	–
34	0.0082 (0.21)	–	–	–	–
35	0.0075 (0.19)	–	–	–	–
36	0.0067 (0.17)	–	–	–	–
37	0.0064 (0.16)	–	–	–	–
38	0.0060 (0.15)	–	–	–	–

Tolerâncias de chapas de aço

Medidor de chapa metálica	Nominal [pol]	Máximo [pol]	Mínimo [em]
10	0.1345	0.1405	0.1285
11	0.1196	0.1256	0.1136
12	0.1046	0.1106	0.0986
14	0.0747	0.0797	0.0697
16	0.0598	0.0648	0.0548
18	0.0478	0.0518	0.0438
20	0.0359	0.0389	0.0329
22	0.0299	0.0329	0.0269
24	0.0239	0.0269	0.0209
26	0.0179	0.0199	0.0159
28	0.0149	0.0169	0.0129

Tolerâncias de chapas de alumínio

Espessura [pol.]	Largura da chapa de alumínio	Largura da chapa de alumínio
–	36 pol. [pol]	48 pol. [pol]
0.018±0.028	0.002	0.0025
0.029 ±0.036	0.002	0.0025
0.037±0.045	0.0025	0.003
0.046±0.068	0.003	0.004
0.069±0.076	0.003	0.004
0.077±0.096	0.0035	0.004
0.097±0.108	0.004	0.005
0.109±0.125	0.0045	0.005
0.126±0.140	0.0045	0.005
0.141±0.172	0.006	0.008
0.173±0.203	0.007	0.010
0.204±0.249	0.009	0.011

Aço inoxidável Tolerâncias de chapas

Espessura [pol.]	Largura da chapa de aço inoxidável	Largura da chapa de aço inoxidável
–	36 pol. [pol]	48 pol. [pol]
0.017±0.030	0.0015	0.002
0.031±0.041	0.002	0.003
0.042±0.059	0.003	0.004
0.060±0.073	0.003	0.0045
0.074±0.084	0.004	0.0055
0.085±0.099	0.004	0.006
0.100±0.115	0.005	0.007
0.116±0.131	0.005	0.0075
0.132±0.146	0.006	0.009
0.147±0.187	0.007	0.0105