48Si7 ( 1.5021 )
Sources: this site Click: Date: 2015-12-14 23:51:23
| Grade : | 48Si7 |
| Number: | 1.5021 |
| Classification: | Steel |
| Standard: | | EN 10132-4: 2000 Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Spring steels and other applications |
|
Chemical composition % of grade 48Si7 (1.5021): EN 10132-4-2000| C | Si | Mn | Ni | P | S | Cr | Mo |
| 0.45 - 0.52 | 1.6 - 2 | 0.5 - 0.8 | max 0.4 | max 0.025 | max 0.025 | max 0.4 | max 0.1 |
Mechanical properties of grade 48Si7 (1.5021)
| Nominal thickness (mm): | 0.3 - 3 |
|
| Rm - Tensile strength (MPa) (+A) | 720 |
| Nominal thickness (mm): | 0.3 - 3 |
|
| Rm - Tensile strength (MPa) (+QT) | 1200-1700 |
| Nominal thickness(mm): | 0.3 - 3 |
|
| Rp0.2 0.2% proof strength (MPa) (+A) | 580 |
| Nominal thickness (mm): | 0.3 - 3 |
|
| A - Min. elongation Lo = 80 mm (%) (+A) | 13 |
| Vickers hardness ( HV): (+A) | 225 |
| Vickers hardness ( HV): (+QT) | 370 - 520 |
Equivalent grades of grade 48Si7 (1.5021)Warning! Only for reference
