Grade DD14 is characterized by the very best cold formability and can be used for complex components.
Short designation | VDA239-100* | Material number |
DD14 | HR2 | 1.0389 |
* Comparative grade, therefore minor deviations from DIN EN values possible
Lower yield strength 1) MPa ReL | Tensile strength Rm MPa max. | Elongation at fracture A80 % min. | Elongation at fracture A 5% min. | |||
1.0 mm ≤ e < 2 mm | 2 mm ≤ e ≤ 11 mm | 1.0 mm ≤ e < 1.5 mm | 1.5 mm ≤ e < 2 mm | 2 mm ≤ e ≤ 3 mm | 3 mm ≤ e ≤ 11 mm | |
170–310 | 170–290 | 380 | 30 | 31 | 32 | 36 |
Percentage by weight % max. | |||
C | Mn | P | S |
0.08 | 0.35 | 0.025 | 0.025 |
* Comparative grade, therefore minor deviations from DIN EN values possible
1) Where the upper yield strength is not defined, Rp0.2 shall be applicable instead of ReL.