Ответ: 1. Alloy of iron and carbon

2. Durable and hard

3. Easy to corrode

4. Stainless steel

5. Low carbon

6. Ductility

7. Sheet metal, wire, pipes

8. Structural steel

9. Suitable for forging and welding

10. Hard and fragile

11. Cutting tools

12. Surgical instruments

13. Tool steel

14. Reinforce

15. Addition of manganese (silicon, chromium, tungsten, molybdenum, vanadium)

Объяснение: