ASME B18.21.1 TABLE 2 Norma Dimensões para Helical spring-lock washers, inch sizes
Anilhas de pressão helicoidais, série pesada
Desenho dimensional e diagramas técnicos
Principais dimensões e parâmetros técnicos
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Dimensions in inches: source ASME B18.21.1 -2009-Table 2 Heavy series
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| Nominal Washer Size |
A max
|
A min |
B max
|
T
mean
section thickness
(t1+t)/2
|
W min
|
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No.2 (0.086)
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0.094 | 0.088 | 0.182 | 0.025 | 0.040 | ||
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No.3 (0.099)
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0.107 | 0.101 | 0.209 | 0.031 | 0.047 | ||
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No.4 (0.112)
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0.120 | 0.114 | 0.223 | 0.031 | 0.047 | ||
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No.5 (0.125)
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0.133 | 0.127 | 0.252 | 0.040 | 0.055 | ||
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No.6 (0.138)
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0.148 | 0.141 | 0.266 | 0.040 | 0.055 | ||
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No.8 (0.164)
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0.174 | 0.167 | 0.307 | 0.047 | 0.062 | ||
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No.10 (0.190)
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0.2 | 0.193 | 0.350 | 0.056 | 0.070 | ||
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No.12 (0.216)
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0.227 | 0.220 | 0.391 | 0.063 | 0.077 | ||
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1/4 - (0.250)
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0.26 | 0.252 | 0.489 | 0.077 | 0.110 | ||
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5/16 - (0.3125)
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0.322 | 0.314 | 0.593 | 0.097 | 0.130 | ||
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3/8 - (0.375)
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0.385 | 0.377 | 0.688 | 0.115 | 0.145 | ||
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7/16 -(0.4375)
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0.45 | 0.44 | 0.784 | 0.133 | 0.160 | ||
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1/2 - (0.5)
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0.512 | 0.502 | 0.879 | 0.151 | 0.176 | ||
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9/16 - (0.5625)
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0.574 | 0.564 | 0.975 | 0.170 | 0.193 | ||
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5/8 - (0.625)
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0.641 | 0.628 | 1.087 | 0.189 | 0.210 | ||
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11/16 - (0.6875)
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0.704 | 0.691 | 1.186 | 0.207 | 0.227 | ||
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3/4 - (0.75)
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0.766 | 0.753 | 1.285 | 0.226 | 0.244 | ||
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13/16 -(0.8125)
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0.832 | 0.816 | 1.387 | 0.246 | 0.262 | ||
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7/8 - (0.875)
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0.894 | 0.878 | 1.489 | 0.266 | 0.281 | ||
| 15/16 - (0.9375) | 0.958 | 0.941 | 1.59 | 0.284 | 0.298 | ||
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1 - (1)
|
1.024
|
1.003 |
1.7
|
0.306
|
0.319
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| 1-1/16 (1.0625) | 1.087 | 1.066 | 1.803 | 0.326 | 0.338 | ||
| 1-1/8 (1.125) | 1.153 | 1.129 | 1.903 | 0.345 | 0.356 | ||
| 1-3/16 (1.875) | 1.217 | 1.192 | 2.001 | 0.364 | 0.373 | ||
| 1- 1/4 (1.25) | 1.280 | 1.254 | 2.104 | 0.384 | 0.393 | ||
| 1 - 5/16 (1.3125) | 1.344 | 1.317 | 2.203 | 0.403 | 0.410 | ||
| 1 - 3/8 (1.375) | 1.408 | 1.379 | 2.301 | 0.422 | 0.427 | ||
| 1 - 7/16 (1.4375) | 1.472 | 1.442 | 2.396 | 0.440 | 0.442 | ||
| 1 - 1/2 (1.5) | 1.534 | 1.504 | 2.491 | 0.458 | 0.458 | ||
| 1 - 5/8 (1.625) | 1.663 | 1.663 | 2.694 | 0.458 | 0.491 | ||
| 1 - 3/4 (1.75) | 1.798 | 1.758 | 2.820 | 0.458 | 0.491 | ||
| 1 - 7/8 (1.875) | 1.914 | 1.833 | 2.945 | 0.458 | 0.491 | ||
| 2 (2) | 2.039 | 2.008 | 3.144 | 0.496 | 0.526 | ||
| 2 - 1/4 (2.5) | 2.293 | 2.262 | 3.398 | 0.496 | 0.526 | ||
| 2 - 1/2 (2.5) | 2.543 | 2.512 | 3.648 | 0.496 | 0.526 | ||
| 2 - 3/4 (2.75) | 2.793 | 2.762 | 3.910 | 0.526 | 0.532 | ||
| 3 (3) | 3.043 | 3.012 | 4.160 | 0.526 | 0.532 | ||