Minerals and Metals in Ancient India v1.c27.s3.t1.1

v1.c27.s3.t1.1

| Position in the specimen | Description of the structure | Hardness V.P.N. |
| 1. | Large grains of ferrite with slag inclusions | 80.8 |
| 2. | Medium ferrite grains with slag inclusions | 81.3 |
| 3. | Variable size of grains in a structure approaching that of 0.20 per cent C steel | 96.6 |
| 4. | Slag inclusions in the midst of ferrite and pearlite structure | 106.0 |
| 5. | Overheated structure of about 0.35 per cent C steel | 115.0 |
| 6. | Weld zone showing imperfect welding by forging | 106.0 |
| 7. | The structure of about 0.20 per cent C steel | 86.5 |