Short
Tons
Metric
Tons
Short
Tons
Metric
Tons
Short
Tons
Metric
Tons
Short
Tons
Metric
Tons
Short
Tons
Metric
Tons
Short
Tons
Metric
Tons
1 .90 8 7.25 20 18.14 45 40.82 80 72.57 140 127.00
2 1.81 9 8.15 25 22.87 50 45.35 90 81.64 150 136.07
3 2.72 10 9.07 30 27.21 55 49.89 100 90.75 165 149.68
4 3.62 11 9.97 35 131.75 60 54.43 115 104.32 200 181.43
5 4.53 12 10.88 40 36.28 65 58.96 125 113.39 250 225.79
6 5.4 14 12.70 70 83.50 130 117.93 265 240.40
7 6.35 15 13.60 75 88.00 135 122.47 300 272.14
Diameter
Inches Millimeters
1/64 .4o
1/32 .79
3/64 1.2
1/16 1.6
5/64 2.0
3/32 2.4
7/64 2.8
1/8 3.2
5/32 4.0
3/16 4.8
7/32 5.6
1/4 6.3
5/16 7.9
3/9 9.5
7/16 11.1
1/2 12.7
1/16 14.3
5/8 15.9
11/16 17.5
3/4 19.0
13/16 20.6
7/8 22.2
15/16 23.8
1 25.4
1-1/16 27.0
1-1/8 28.6
1-3/6 30.2
1-1/4 31.7
1-3/8 34.9
1-7/16 36.5
1-1/2 38.1
1-5/8 41.3
1-11/16 42.9
1-3/4 44.4
1-13/16 46.0
1-7/8 47.6
1-15/16 49.2
2 50.8
2-1/16 52.4
2-1/8 54.0
2-1/4 57.1
2-1/2 63.5
2-3/4 69.9
3 76.2
3-1/4 82.5
3-1/2 88.9
Substance Wt Per
Cu. Ft. lbs.
Substance Wt Per
Cu. Ft. lbs.
Metais, Aloys, Ores
Walnut, black 42
Alum., cast-hammered 165 Walnut white 26
Aluminum. bronze 481 Water, 4 C., max. density 62.428
Brass, cast-rolled 534 Water. 100 C 59.830
Bronze. 7.9 to 14% Sn 509 Water, Ice 56
Bronze, Phosphor 554 Water, snow, fresh fallen 8
Copper, cast-rolied 556 Water, sea water 64
Copper ore. pyrites 262
Gold coin (U.S.) 1073 Various Busting Materials
Iron. gray cast 442
Iron, cast. pig 450 Ashes, cinders 40- 45
Iron, Wrotght 485 Cement Portland, loose 90
Iron, co, hematite 325 Cement Portland, set 183
Iron ore, limonite 237 Lime, gypsum, loose 53 -64
lion ore, magnetite 315 Mortar, set 103
Iron stag 172 Slags, bank slag 67 -72
Lead 710 Stags, bank, screenings 98-117
Lead ore. galena 465 Slags, machine slag 96
Manganese 475 Slags, stag sand 49 – 55
Manganese ore, prolusite 259
Mercury 849 Earth, etc. Excavated
Nickel 537 Clay, dry 63
Platinum, cast-hammered 1330 Clay, damp, plastic 110
Silver, cast-harnmered 656 Clay, and gravel, dry 100
Steel. cold-drawn 489 Earth, dry loose 76
Tin. cast-hammered 459 Earth, dry. packed 95
Tin ore, cassibrite 418 Earth, mud. packed 115
Tungsten 1200 Riprap, limestone 80 – 85
Zinc, cast-rolled 440 Riprap, sandstone 90
Zinc ore. blende 253 Riprap. shale 105
Sand, graveL dry, loose 90 – 105
Timber. U.S. Seasoned
(Moisture, 15 lo 20%)
Sand, graveL dry, packed 100 – 120
Sand, gravel, wet 118 – 120
Ash, white-red 40 Excavations in Water
Bitch 32
Cedar, white-red 22 Sand or gravel 60
Cypress 30 Sand or gravel and clay 65
Fr. Douglas spruce 32 Clay 80
Fir, eastern 25 River mud 90
Elm. white 45 Soil 70
Hemlock 29 Stone riprap 65
Hickory 48
Mahogany 44 Slone, Quarried Piled
Maple, hard 43
Maple, white 33 Basalt. granite, gneiss 96
Oak, chestnut 54 Limestone, marble, quartz 95
Oak. live 59 Sandstone 82
Oak. red. black 41 Shale 92
Oak. white 46
Pine. Oregon 32 Coal and Coke, Piled
Pine, red 30
Pine. white 26 Coal, anthracite 47 – 58
Pine, yelow, long-leaf 44 Coal. biturrinous, lignite 40 – 54
Coal. peat, turf 20 – 26
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