View all text of Subchapter III [§ 206 - § 208]

§ 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

(Mar. 3, 1893, ch. 221, § 1, 27 Stat. 746.)