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Tool Steel
Tool Steel D7
Principle Design Features
This alloy is one of the Cold Work, high Carbon/ Chromium type tool steels.
Known Forms
Disc
Drill Rod
Flat Bar
Plate
Precision Ground Bar
Ring
Round Bar
Sheet
Square Bar
Additional Data
Specifications
A681 (D-7),J437,J438,T30407Chemical Elements
| Carbon | 2.15 - 2.5 |
| Chromium | 11.5 - 13.5 |
| Iron | Balance |
| Manganese | 0.6 max |
| Molybdenum | 0.7 - 1.2 |
| Phosphorus | 0.03 max |
| Silicon | 0.6 max |
| Sulphur | 0.03 max |
| Vanadium | 3.8 - 4.4 |
Physical Properties
Density: 0.283lb/in³