Strength Of Materials. Tensile Strength Of Materials
Description
This section is from the book "Modern Carpentry And Building", by W. A. Sylvester. Also available from Amazon: Modern Carpentry And Building.
Strength Of Materials. Tensile Strength Of Materials
Weight Or Power Required To Tear Asunder One Square Inch
METALS. | Breaking-Weight. |
lbs. | |
Copper, wrought............ | 34.000 |
" cast (Amer.) .... | 24,250 |
" bolt ................... | 36,800 |
Iron, cast........................... | 31,829 |
" " (safe-load) . | 4,000 |
to | |
5,000 | |
" wrought .............. | 55,000 |
to | |
65,000 | |
" " (safe-l'd), | 8,000 |
to | |
10,000 | |
" bolts ................ | 52,250 |
Lead, cast.................... | 1,800 |
Steel, mean ................ | 88,657 |
" maximum ............ | 142,000 |
Tin, cast block .............. | 5,000 |
" Banca ................. | 2,122 |
Yellow metal ................. | 48,700 |
.Zinc....... | 3,500 |
" sheet ................... | 16,000 |
WOODS. | Breaking Weight. |
lbs. | |
Ash....... | 14,000 |
Beech.................................... | 11,500 |
Box....... | 20,000 |
Bay................................... | 14,000 |
Cedar...... | 11,400 |
Chestnut, sweet ................. | 10,500 |
Cypress............................... | 6,000 |
Deal, Christiana................ | 12,400 |
Elm.................................... | 13,400 |
Lance................................ | 23,000 |
Lignum-vitae.................. | 11,800 |
Locust.............................. | 20,500 |
Mahogany ................. | 21,000 |
" Spanish . | 12,000 |
" " ......... | 8.000 |
Maple...... | 10,500 |
Oak, American white, | 11,500 |
" English ................ | 10.000 |
" " (seasoned) | 13,600 |
" African .................. | 14,500 |
Pear..................................... | 9,800 |
Pine, pitch ..................... | 12,000 |
" larch ................... | 9,500 |
" American white, | 11,800 |
Popular............................... | 7,000 |
Spruce, white ............... | 10,290 |
Sycamore..... | 13,000 |
Teak..... | 14,000 |
Walnut ..................... | 7,800 |
Willow...... | 13,000 |
Results Of Experiments On The Tensile Strength Of Wrought-Iron Tie-Rods.*
Common English Ikon, 1-3/16 Inches in Diameter.
Description of Connection. | Breaking-Weight. |
lbs. | |
Semicircular hook fitted to a circular ami welded eye . . | 14,000 |
Two semicircular hooks hooked together............................................... | 16,220 |
Right-angled hook, or gooseneck, fitted into a cylindrical eye................... | 29,120 |
Two links, or welded eyes, connected together ..................... | 48,160 |
Straight rod without any connection articulation ............. | 56,000 |
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