Electrolitically zinc coated cold rolled low carbon steels for cold forming

The tables hereunder show the main characteristics of the relevant quality grades and do not fulfill the complete technical supply conditions for which we refer to the full content of the standards mentioned in these pages.

Supply technical delivery conditions: 
EN 10152:2009
Dimensional and shape tolerances: 
EN 10131:2006
Mechanical characteristics: 
QUALITY MECHANICAL CHARACTERISTICS
Ys/ 0,2% Ps
(Mpa)
TS
(Mpa)
E%
min.
L0=80 mm
E%
min.
L0=80 mm
E%
min.
L0=80 mm
r90
min.
n90
min.
Thickness (S) 0,35<=S<=0,5 0,5<S<=0,7 0,7<S<=3 0,35<=S<=3 0,35<=S<=0,5 0,5<S<=0,7 0,7<S<=3 0,5<S<=2 2,0<S<=3 0,5<S<=3
DC01+ZE 140 - 320 140 - 300 140 - 280 270 - 410 24 26 28 - - -
DC03+ZE 140 - 280 140 - 260 140 - 240 270 - 370 30 32 34 1,3 1,1 -
DC04+ZE 140 - 260 140 - 240 140 - 220 270 - 350 33 35 37 1,6 1,4 0,170
DC05+ZE 140 - 240 140 - 220 140 - 200 270 - 330 35 37 39 1,9 1,7 0,190
DC06+ZE 130 - 220 130 - 200 130 - 180 270 - 350 37 39 41 2,1 1,9 0,210
DC07+ZE 110 - 200 110 - 180 110 - 160 250 - 310 39 41 43 2,5 2,3 0,220

The values are referred to specimens taken crosswise respect to the rolling direction.

Ladle analysis chemical composition (% values): 
QUALITY LADLE CHEMICAL COMPOSITION (max. % Values)
C Mn Si P S Al Nb o Ti V Mo B
DC01+ZE 0,12 0,60      -    0,045 0,045     -        -        -        -        -   
DC03+ZE 0,10 0,45     -    0,035 0,035     -        -        -        -        -   
DC04+ZE 0,08 0,40     -    0,030 0,030     -        -        -        -        -   
DC05+ZE 0,06 0,35     -    0,025 0,025     -        -        -        -        -   
DC06+ZE 0,02 0,25     -    0,020 0,020     -    0,3     -        -        -   
DC07+ZE 0,01 0,20     -    0,020 0,020     -    0,2     -        -        -   

The Quality grades DC01+ZE, DC03+ZE, DC04+ZE, DC05+ZE may be supplied as alloyed steels (with B or Ti, for instance), unless differently agreed at the time of enquiry and order.

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