| ECONOMICS OF ALLOY STEELS | 43 |
Untreated and Treated Chrome Steel with Molybdenum
| TABLE 5k |
| Tensile Tests on Chromol Steel (Untreated) |
| Analysis |
| Carbon | Manganese | Chromium | Molybdenum |
| 0.26 | 0.65 | 0.95 | 0.32 |
Diam. of
Test Piece | Elastic
Limit | Tensile
Strength | Elongation
Per Cent | Red. of Area
Per Cent |
| 7/8" | 89,700 | 116,900 | 18.5 | 55 |
| 1 1/4" | 104,000 | 115,000 | 17.5 | 54 |
| 2" | 75,000 | 100,000 | 20.5 | 60 |
| TABLE 5l |
| Tensile Tests on Chromol Steel (Treated) |
| Analysis |
Diam. of
Test Piece | Carbon | Manganese | Chromium | Molybdenum |
| 7/8" | 0.26 | 0.65 | 0.95 | 0.32 |
Drawing
Temperature | Elastic
Limit | Tensile
Strength | Elongation
Per Cent | Red. of Area
Per Cent |
| 500° F. | 220,000 | 232,000 | 12 | 48 |
| 1100° F. | 130,000 | 142,000 | 20 | 63 |
|