For the purpose of securing uniformity the following is established as the only standard gauge for sheet and plate iron and steel in the United States of America, namely:
Number of gaugeApproximate thickness in fractions of an inchApproximate thickness in decimal parts of an inchApproximate thickness in millimetersWeight per square foot in ounces avoirdupoisWeight per square foot in pounds avoirdupoisWeight per square foot in kilogramsWeight per square meter in kilogramsWeight per square meter in poundsavoirdupois
00000001/2.512.732020.009.07297.65215.28
00000015/32.4687511.9062530018.758.50591.55201.82
000007/16.437511.112528017.507.98385.44188.37
000013/32.4062510.3187526016.257.37179.33174.91
0003/8.3759.525240156.80473.24161.46
0011/32.343758.7312522013.756.23767.13148.00
05/16.31257.937520012.505.6761.03134.55
19/32.281257.1437518011.255.10354.93121.09
217/64.2656256.74687517010.6254.81951.88114.37
31/4.256.35160104.53648.82107.64
415/64.2343755.9531251509.3754.25245.77100.91
57/32.218755.556251408.753.96942.7294.18
613/64.2031255.1593751308.1253.68539.6787.45
73/16.18754.76251207.53.40236.6280.72
811/64.1718754.3656251106.8753.11833.5774.00
95/32.156253.968751006.252.83530.5267.27
109/64.1406253.571875905.6252.55227.4660.55
111/8.1253.1758052.26824.4153.82
127/64.1093752.778125704.3751.98421.3647.09
133/32.093752.38125603.751.70118.3140.36
145/64.0781251.984375503.1251.41715.2633.64
159/128.07031251.7859375452.81251.27613.7330.27
161/16.06251.5875402.51.13412.2126.91
179/160.056251.42875362.251.02110.9924.22
181/20.051.27322.90729.76521.53
197/160.043751.11125281.75.79388.54418.84
203/80.0375.9525241.50.68047.32416.15
2111/320.034375.873125221.375.62376.71314.80
221/32.03125.793750201.25.5676.10313.46
239/320.028125.714375181.125.51035.49312.11
241/40.025.635161.45364.88210.76
257/320.021875.55562514.875.39694.2729.42
263/160.01875.4762512.75.34023.6628.07
2711/640.0171875.436562511.6875.31193.3577.40
281/64.015625.39687510.625.28353.0526.73
299/640.0140625.35718759.5625.25512.7466.05
301/80.0125.31758.5.22682.4415.38
317/640.0109375.27781257.4375.19842.1364.71
3213/1280.01015625.257968756½.40625.18431.9834.37
333/320.009375.2381256.375.17011.8314.04
3411/1280.00859375.218281255½.34375.15591.6783.70
355/640.0078125.19843755.3125.14171.5263.36
369/1280.00703125.178593754½.28125.12761.3733.03
3717/2560.006640625.1686718754¼.265625.12051.2972.87
381/160.00625.158754.25.11341.2212.69
The same and no other shall be used in determining duties and taxes levied by the United States of America on sheet and plate iron and steel. But this subchapter shall not be construed to increase duties upon any articles which may be imported.
(Mar. 3, 1893, ch. 221, § 1, 27 Stat. 746.)
Editorial Notes
References in TextThis subchapter, referred to in text, was in the original “this act”, meaning act Mar. 3, 1893, ch. 221, 27 Stat. 746, which is classified to sections 206 to 208 of this title.
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