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 United States Code (Last Updated: May 24, 2014)
 Title 15. COMMERCE AND TRADE
 Chapter 6. WEIGHTS AND MEASURES AND STANDARD TIME
 SubChapter III. STANDARD GAUGE FOR IRON AND STEEL

§ 206. Standard gauge for sheet and plate iron and steel  

Latest version.

  • 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 gauge

    Approximate thickness in fractions of an inch

    Approximate thickness in decimal parts of an inch

    Approximate thickness in millimeters

    Weight per square foot in ounces avoirdupois

    Weight per square foot in pounds avoirdupois

    Weight per square foot in kilograms

    Weight per square meter in kilograms

    Weight per square meter in pounds

    avoirdupois

    0000000

    1/2

    .5

    12.7

    320

    20.00

    9.072

    97.65

    215.28

    000000

    15/32

    .46875

    11.90625

    300

    18.75

    8.505

    91.55

    201.82

    00000

    7/16

    .4375

    11.1125

    280

    17.50

    7.983

    85.44

    188.37

    0000

    13/32

    .40625

    10.31875

    260

    16.25

    7.371

    79.33

    174.91

    000

    3/8

    .375

    9.525

    240

    15

    6.804

    73.24

    161.46

    00

    11/32

    .34375

    8.73125

    220

    13.75

    6.237

    67.13

    148.00

    0

    5/16

    .3125

    7.9375

    200

    12.50

    5.67

    61.03

    134.55

    1

    9/32

    .28125

    7.14375

    180

    11.25

    5.103

    54.93

    121.09

    2

    17/64

    .265625

    6.746875

    170

    10.625

    4.819

    51.88

    114.37

    3

    1/4

    .25

    6.35

    160

    10

    4.536

    48.82

    107.64

    4

    15/64

    .234375

    5.953125

    150

    9.375

    4.252

    45.77

    100.91

    5

    7/32

    .21875

    5.55625

    140

    8.75

    3.969

    42.72

    94.18

    6

    13/64

    .203125

    5.159375

    130

    8.125

    3.685

    39.67

    87.45

    7

    3/16

    .1875

    4.7625

    120

    7.5

    3.402

    36.62

    80.72

    8

    11/64

    .171875

    4.365625

    110

    6.875

    3.118

    33.57

    74.00

    9

    5/32

    .15625

    3.96875

    100

    6.25

    2.835

    30.52

    67.27

    10

    9/64

    .140625

    3.571875

    90

    5.625

    2.552

    27.46

    60.55

    11

    1/8

    .125

    3.175

    80

    5

    2.268

    24.41

    53.82

    12

    7/64

    .109375

    2.778125

    70

    4.375

    1.984

    21.36

    47.09

    13

    3/32

    .09375

    2.38125

    60

    3.75

    1.701

    18.31

    40.36

    14

    5/64

    .078125

    1.984375

    50

    3.125

    1.417

    15.26

    33.64

    15

    9/128

    .0703125

    1.7859375

    45

    2.8125

    1.276

    13.73

    30.27

    16

    1/16

    .0625

    1.5875

    40

    2.5

    1.134

    12.21

    26.91

    17

    9/160

    .05625

    1.42875

    36

    2.25

    1.021

    10.99

    24.22

    18

    1/20

    .05

    1.27

    32

    2

    .9072

    9.765

    21.53

    19

    7/160

    .04375

    1.11125

    28

    1.75

    .7938

    8.544

    18.84

    20

    3/80

    .0375

    .9525

    24

    1.50

    .6804

    7.324

    16.15

    21

    11/320

    .034375

    .873125

    22

    1.375

    .6237

    6.713

    14.80

    22

    1/32

    .03125

    .793750

    20

    1.25

    .567

    6.103

    13.46

    23

    9/320

    .028125

    .714375

    18

    1.125

    .5103

    5.493

    12.11

    24

    1/40

    .025

    .635

    16

    1

    .4536

    4.882

    10.76

    25

    7/320

    .021875

    .555625

    14

    .875

    .3969

    4.272

    9.42

    26

    3/160

    .01875

    .47625

    12

    .75

    .3402

    3.662

    8.07

    27

    11/640

    .0171875

    .4365625

    11

    .6875

    .3119

    3.357

    7.40

    28

    1/64

    .015625

    .396875

    10

    .625

    .2835

    3.052

    6.73

    29

    9/640

    .0140625

    .3571875

    9

    .5625

    .2551

    2.746

    6.05

    30

    1/80

    .0125

    .3175

    8

    .5

    .2268

    2.441

    5.38

    31

    7/640

    .0109375

    .2778125

    7

    .4375

    .1984

    2.136

    4.71

    32

    13/1280

    .01015625

    .25796875

    6½

    .40625

    .1843

    1.983

    4.37

    33

    3/320

    .009375

    .238125

    6

    .375

    .1701

    1.831

    4.04

    34

    11/1280

    .00859375

    .21828125

    5½

    .34375

    .1559

    1.678

    3.70

    35

    5/640

    .0078125

    .1984375

    5

    .3125

    .1417

    1.526

    3.36

    36

    9/1280

    .00703125

    .17859375

    4½

    .28125

    .1276

    1.373

    3.03

    37

    17/2560

    .006640625

    .168671875

    4¼

    .265625

    .1205

    1.297

    2.87

    38

    1/160

    .00625

    .15875

    4

    .25

    .1134

    1.221

    2.69

    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.)

References In Text

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.