Grade DC04 cold coils is a deep-drawing steel of the DC grade family. The grade has excellent deep-drawing properties under all types of deformation.
| Short designation | VDA239-100 | Material number |
| DC04 | CR3 | 1.0338 |
Grade DC04 cold coils | 1.0338: Chemical composition (heat analysis)
Where no yield strength is defined, the respective values shall apply to the 0.2 % proof stress (Rp0.2) or to the lower yield strength (ReL). For thicknesses ≤ 0.7 mm but > 0.5 mm, the maximum yield strength values may be 20 MPa higher. In case of thicknesses ≤ 0.5 mm, the maximum yield limits may be 40 MPa higher.
a taking RP0.2 in case of indistinct yield, otherwise ReL.
c r=(r90+2r45+r0)/4; n= (n90 +2n45+n0)/4.
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