15 U.S. Code § 206 - Standard gauge for sheet and plate iron and steel

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

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

.40625

.1843

1.983

4.37

33

3/320

.009375

.238125

6

.375

.1701

1.831

4.04

34

11/1280

.00859375

.21828125

.34375

.1559

1.678

3.70

35

5/640

.0078125

.1984375

5

.3125

.1417

1.526

3.36

36

9/1280

.00703125

.17859375

.28125

.1276

1.373

3.03

37

17/2560

.006640625

.168671875

.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

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.

 

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