| 40 |
ECONOMICS OF BRIDGEWORK |
Chapter V |
Heat-Treated Chrome-Vanadium Steel with and without Molyb-
denum
| TABLE 5e |
| Tensile Tests on Chrovan Steel |
| Analysis |
| Carbon | Manganese | Chromium | Vanadium | Molybdenum |
| 0.36 av. | 0.5 av. | 0.9 av. | over 0.16 | None |
| Physical Properties. (1" round) |
Elastic
Limit | Tensile
Strength | Red. of Area
Per Cent | Elongation
Per Cent | Brinell
Hardness |
| 146,500 | 167,500 | 16 | 54.5 | 340 |
| TABLE 5f |
| Tensile Tests on Chrovanmol Steel |
| Analysis |
| Carbon | Manganese | Chromium | Vanadium | Molybdenum |
| 0.39 | 0.48 | 1.06 | 0.17 | 0.85 |
Physical Properties. (1 1/8" round)
|
Elastic
Limit | Tensile
Strength | Elongation
Per Cent | Red. of Area
Per Cent | Brinell
Hardness |
| 170,000 | 190,000 | 19 | 60 | 392 |
|