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Tool Steel
Tool Steel H42
Principle Design Features
This alloy is one of the Hot Work, Tungsten/ Molybdenum type tool steels.
Known Forms
Disc
Drill Rod
Flat Bar
Plate
Precision Ground Bar
Ring
Round Bar
Sheet
Square Bar
Additional Data
Specifications
A681 (H-42),T20842Chemical Elements
| Carbon | 0.55 - 0.7 |
| Chromium | 3.75 - 4.5 |
| Iron | Balance |
| Manganese | 0.15 - 0.4 |
| Molybdenum | 4.5 - 5.5 |
| Phosphorus | 0.03 max |
| Silicon | 0.2 - 0.45 |
| Sulphur | 0.03 max |
| Tungsten | 5.5 - 6.75 |
| Vanadium | 1.75 - 2.2 |
Physical Properties
Density: 0.283lb/in³