DD14 | 1.0389

Grade DD14 is characterized by the very best cold formability and can be used for complex components.

Mild low-carbon steel for cold forming

Short designation	VDA239-100*	Material number
DD14	HR2	1.0389

* Comparative grade, therefore minor deviations from DIN EN values possible

DD14 | 1.0389: Mechanical properties (transverse)

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

1) Where the upper yield strength is not defined, Rp_0.2 shall be applicable instead of R_eL.