| Tensile Strength |
The tensile strength is 800 N/mm² |
The tensile strength is 1040 N/mm² |
| Yield Strength |
Has a yield strength of 640 N/mm² |
Has a yield strength of 940 N/mm² |
| Material |
Usually, they are manufactured with medium-carbon steel |
Typically made using alloy steel |
| Resistance |
Has a good resistance to wear and tear |
Shows superior resistance to wear and tear |
| Hardening |
Hardened by a ‘quench and temper’ process |
Also hardened by a ‘quench and temper’ process, but at higher temperature |
| Load Carrying Capacity |
Has a lower load carrying capacity |
Has a higher load carrying capacity |
| Application Areas |
Used in general hardware where high strength is not a major requirement |
Used in high strength applications such as automotive or structural use |
| Cost |
Generally more economical due to less alloy content |
Higher cost due to more alloying elements |
| Elongation |
Minimum elongation of 12% |
Minimum elongation of 9% |
| Hardness |
Less hardness (Typically 250HV) |
Higher hardness (Typically up to 385HV) |
