Patent ID: 11945503
Assignee: ARCELORMITTAL
Field: Machine tools (Mechanical engineering)
Classification: CPC B  C | IPC B  C

Claim 9:
10. The method as recited in claim 1, wherein, for at least one of the precoated sheets, the steel of the steel substrate comprises, by weight:
0.040%≤C≤0.100%
0.80%≤Mn≤2.00%
Si≤0.30%
S≤0.005%
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≤0.100%
Mo≤0.100%
Ca≤0.006%,
a rest being iron and impurities resulting from manufacturing.