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

Claim 10:
11. 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:
0.06%≤C≤0.100%
1.4%≤Mn≤1.9%
0.2%≤Si≤0.5%
0.010%≤AI≤0.070%
0.04%≤Nb≤0.06%
3.4×N≤Ti≤8×N
0.02%≤Cr≤0.1%
0.0005%≤B≤0.004%
0.001%≤S≤0.009%
a remainder being iron and impurities resulting from manufacturing.