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Title 15 — Commerce and TradeRelease 119-73

§206 Standard gauge for sheet and plate iron and steel

Title 15 › Chapter CHAPTER 6— - WEIGHTS AND MEASURES AND STANDARD TIME › Subchapter SUBCHAPTER III— - STANDARD GAUGE FOR IRON AND STEEL › § 206

Last updated Apr 6, 2026|Official source

Summary

Sets one official gauge chart for sheet and plate iron and steel in the United States. The chart ties each gauge number to its thickness and weight, shown in inch fractions, decimal inches, millimeters, ounces and pounds per square foot, and kilograms and pounds per square meter. Only this chart may be used when the United States figures duties and taxes on sheet and plate iron and steel. This rule cannot be used to raise import duties on any imported articles.

Full Legal Text

Title 15, §206

Commerce and Trade — Source: USLM XML via OLRC

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 1/20.512.7320209.07297.65215.28 15/320.4687511.9062530018.758.50591.55201.82 7/160.437511.112528017.57.98385.44188.37 13/320.4062510.3187526016.257.37179.33174.91 3/80.3759.525240156.80473.24161.46 11/320.343758.7312522013.756.23767.13148 5/160.31257.937520012.55.6761.03134.55 19/320.281257.1437518011.255.10354.93121.09 217/640.2656256.74687517010.6254.81951.88114.37 31/40.256.35160104.53648.82107.64 415/640.2343755.9531251509.3754.25245.77100.91 57/320.218755.556251408.753.96942.7294.18 613/640.2031255.1593751308.1253.68539.6787.45 73/160.18754.76251207.53.40236.6280.72 811/640.1718754.3656251106.8753.11833.5774 95/320.156253.968751006.252.83530.5267.27 109/640.1406253.571875905.6252.55227.4660.55 111/80.1253.1758052.26824.4153.82 127/640.1093752.778125704.3751.98421.3647.09 133/320.093752.38125603.751.70118.3140.36 145/640.0781251.984375503.1251.41715.2633.64 159/1280.07031251.7859375452.81251.27613.7330.27 161/160.06251.5875402.51.13412.2126.91 179/1600.056251.42875362.251.02110.9924.22 181/200.051.273220.90729.76521.53 197/1600.043751.11125281.750.79388.54418.84 203/800.03750.9525241.50.68047.32416.15 2111/3200.0343750.873125221.3750.62376.71314.8 221/320.031250.79375201.250.5676.10313.46 239/3200.0281250.714375181.1250.51035.49312.11 241/400.0250.6351610.45364.88210.76 257/3200.0218750.555625140.8750.39694.2729.42 263/1600.018750.47625120.750.34023.6628.07 2711/6400.01718750.4365625110.68750.31193.3577.4 281/640.0156250.396875100.6250.28353.0526.73 299/6400.01406250.357187590.56250.25512.7466.05 301/800.01250.317580.50.22682.4415.38 317/6400.01093750.277812570.43750.19842.1364.71 3213/12800.010156250.257968756½0.406250.18431.9834.37 333/3200.0093750.23812560.3750.17011.8314.04 3411/12800.008593750.218281255½0.343750.15591.6783.7 355/6400.00781250.198437550.31250.14171.5263.36 369/12800.007031250.178593754½0.281250.12761.3733.03 3717/25600.0066406250.1686718754¼0.2656250.12051.2972.87 381/1600.006250.1587540.250.11341.2212.69 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.

Legislative History

Notes & Related Subsidiaries

Editorial Notes

References in Text

This 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.

Reference

Citations & Metadata

Citation

15 U.S.C. § 206

Title 15 — Commerce and Trade

Last Updated

Apr 6, 2026

Release point: 119-73