Mild, hot-dipped galvanized steel grades for cold forming

Hot-dipped galvanized flat products according DIN EN 10346 and DIN EN 10143.

Steel grade acc. to VDA 239-100 Steel grade acc. DIN EN 10346 Steel grade no. DIN 17162/1 ASTM BS2989 NF A 36/421 UNI 5753
- DX51D 1.0917 St 02 Z (Fe P02 GZ) A 527 M Z 2 GC Fe PO2 G
CR1 DX52D 1.0918 St 03 Z (Fe P03 GZ) A 528 M Z 3 GE Fe PO3 G
CR2 DX53D 1.0951 St 05 Z (Fe P05 GZ) A 642 M Z 5 GES Fe PO5 G
CR3 DX54D 1.0952 St 06 Z (Fe P06 GZ) - - - Fe PO6 G
CR4 DX56D 1.0963 - - - - -
CR5 DX57D 1.0853 - - - - -

Mechanical properties acc. to DIN EN 10346

Steel grade Yield strength, ReL oder Rp0,2 transverse Tensile strength, Rm transverse Fracture elongation, A80 transverse * Vertical anisotropy r90 Hardening exponent n90
MPa MPa %
DX51D - 270 - 500 ≥ 22 - -
DX52D 140 - 300** 270 - 420 ≥ 26 - -
DX53D 140 - 260 270 - 380 ≥ 30 - -
DX54D 120 - 220 260 - 350 ≥ 36 ≥ 1.6 ≥ 0.18
DX56D 120 - 180 260 - 350 ≥ 39 ≥ 1.9 ≥ 0.21
DX57D 120 - 170 260 - 350 ≥ 41 ≥ 2.1 ≥ 0.22

Mechanical properties acc. to VDA 239-100

Steel grade Yield strength Rp0,2 transverse Tensile strength Rm transverse Total elongation A80 transverse * Verticale anisotropy r transverse Hardening exponent n transverse
MPa MPa %
CR1 140 - 300 270 - 410 ≥ 28 - -
CR2 140 - 240 270 - 370 ≥ 34 ≥ 1,3 ≥ 0,16
CR3 140 - 210 270 - 350 ≥ 38 ≥ 1,8 ≥ 0,18
CR4 140 - 180 270 - 330 ≥ 39 ≥ 1,9 ≥ 0,20
CR5 110 - 170 260 - 330 ≥ 41 ≥ 2,1 ≥ 0,22

Surface finish

Steel grade NA MA MB MC*
Thickness range
mm mm mm mm
DX51D 0.40 - 4.00 0.40 - 4.00 0.40 - 4.00 0.40 - 2.00
DX52D 0.40 - 4.00 0.40 - 4.00 0.40 - 4.00 0.40 - 2.00
DX53D 0.50 - 4.00 0.50 - 4.00 0.50 - 4.00 0.50 - 2.00
DX54D 0.50 - 3.00 0.50 - 3.00 0.50 - 3.00 0.50 - 2.00
DX56D 0.50 - 3.00 0.50 - 3.00 0.50 - 3.00 0.50 - 2.00
DX57D - - 0.50 - 1.20 0.50 - 1.20