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Hot-dip coated sheet

DX57D | 1.0853

Grade DX57D is a super deep drawing grade and is suitable for extremely high forming requirements.

Low-carbon steel for cold forming

Properties according to DIN EN 10 346

Steel type

Short designationVDA239-100Surface finishMaterial number
DX57DCR5+Z,+ZA1.0853
DX57DCR5+ZF,+ZM1.0853
DX57DCR5+AS1.0853

Mechanical properties (transverse)

Yield strength 1) Re MPa max.Tensile strength Rm MPaElongation at 2) fracture A80 % min.Anisotropy r90 min.Strain hardening exponent n90 min.
120–170260–350412.14)0.22
120–170260–350391.94)5)0.215)
120–170260–350411.94)5)0.215)

Chemical composition (heat analysis)

Percentage by weight % max.
CSiMnPSTi
0.120.500.600.100.0450.30

1) Where no yield strength is defined, the respective values shall apply to the 0.2 % proof stress Rp0.2, otherwise for the lower yield strength (ReL).

2) Reduced minimum values of elongation at fracture apply to product thicknesses 0.50 mm < t < 0.70 mm (minus 2 units), 0.35 mm < t < 0.50 mm (minus 4 units), and t < 0.35 mm (minus 7 units).

3) The maximum yield strength for surface class A is Re = 360 MPa.

4) For product thicknesses of 1.5 mm < t < 2 mm, the minimum r90 value is reduced by 0.2, and for t ≥ 2 mm by 0.4.

5) Depending on the product thickness, the minimum r90 value is reduced as follows: 0.50 mm < t < 0.70 mm by 0.2; 0.35 mm < t < 0.50 mm by 0.4, and t < 0.35 mm by 0.6.

Also depending on the product thickness, the minimum n90 value is reduced as follows: 0.50 mm < t < 0.70 mm by 0.01; 0.35 mm < t < 0.50 mm by 0.03, and t < 0.35 mm by 0.04.