WEIGHT OF ROUND AND SQUARE ROLLED IRON PER LINEAL FOOT.

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Inch. | Round. | Square.

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¼ | .165 | .211

⅜ | .373 | .475

½ | .663 | .845

⅝ | 1.043 | 1.320

¾ | 1.493 | 1.901

⅞ | 2.032 | 2.588

1 | 2.654 | 3.380

1⅛ | 3.359 | 4.278

1¼ | 4.147 | 5.280

1⅜ | 5.019 | 6.390

1½ | 5.972 | 7.604

1⅝ | 7.010 | 8.926

1¾ | 8.128 | 10.352

1⅞ | 9.333 | 11.883

2 | 10.616 | 13.520

2⅛ | 11.988 | 15.263

2¼ | 13.440 | 17.112

2⅜ | 14.975 | 19.066

2½ | 16.588 | 21.120

2⅝ | 18.293 | 23.292

2¾ | 20.076 | 25.560

2⅞ | 21.944 | 27.939

3 | 23.888 | 30.416

3¼ | 28.040 | 35.704

3½ | 32.512 | 41.408

3¾ | 37.332 | 47.534

4 | 42.464 | 54.084

4¼ | 47.952 | 61.055

4½ | 53.760 | 68.448

4¾ | 59.900 | 76.264

5 | 66.350 | 84.480

5¼ | 73.172 | 93.168

5½ | 80.304 | 102.24

5¾ | 87.776 | 111.75

6 | 95.552 | 121.66

6¼ | 103.70 | 132.04

6½ | 112.16 | 142.81

6¾ | 120.96 | 154.01

7 | 130.04 | 165.63

7¼ | 139.54 | 177.67

7½ | 149.32 | 190.13

7¾ | 159.45 | 203.02

8 | 169.85 | 216.33

8¼ | 180.69 | 230.06

8½ | 191.80 | 244.22

8¾ | 203.26 | 258.80

9 | 215.04 | 273.79

9¼ | 227.15 | 289.22

9½ | 239.60 | 305.056

9¾ | 252.37 | 321.33

10 | 265.40 | 337.92

10¼ | 278.92 | 355.30

10½ | 292.68 | 372.70

10¾ | 306.80 | 390.80

11 | 321.21 | 409.00

12 | 382.20 | 486.70

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Young Engineer's Guide · 第 125 / 132 题