Patent ID: 11911847
Assignee: ARCELORMITTAL
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 9:
10. The method as recited in claim 1, wherein, for at least one of the first and the second precoated steel sheets, the steel of the steel substrate comprises, by weight:
0.040%≤C≤0.100%
0.70%≤Mn≤2.00%
Si≤0.50%
S≤0.009%
P≤0.030%
0.010%≤Al≤0.070%
0.015%≤Nb≤0.100%
Ti≤0.080%
N≤0.009%
Cu≤0.100%
Ni≤0.100%
Cr≤0.2%
Mo≤0.100%
Ca≤0.006%,
a remainder being iron and impurities resulting from manufacturing.