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Tool Steel
Tool Steel S1
Principle Design Features
This alloy is one of the Shock Resisting tool steel types.
Known Forms
Disc
Drill Rod
Flat Bar
Plate
Precision Ground Bar
Ring
Round Bar
Sheet
Square Bar
Additional Data
Specifications
A681,1.2542,1.2550,J437 (S-1),J438 (S-1),T41901Chemical Elements
| Carbon | 0.4 - 0.55 |
| Chromium | 1 - 1.8 |
| Iron | Balance |
| Manganese | 0.1 - 0.4 |
| Molybdenum | 0.5 max |
| Phosphorus | 0.03 max |
| Silicon | 0.15 - 1.2 |
| Sulphur | 0.03 max |
| Tungsten | 1.5 - 3 |
| Vanadium | 0.15 - 0.3 |
Physical Properties
Density: 0.283lb/in³