Patent ID: 11959150
Assignee: ARCELORMITTAL
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. A steel sheet welded and then cold rolled to a thickness between 0.5 mm and 3 mm, the steel sheet comprising:
a base metal and a welded joint;
a deformation ratio created by cold rolling in the base metal being equal to εMB;
a deformation ratio created by cold rolling in the welded joint being equal to εS;, 0.4
   ≤
   
    
     ε
     ⁢
     S
    
    
     ε
     ⁢
     MB
    
   
   ≤
   0.7
  
  ;, and
a direction of the welded joint extending perpendicular to a direction of cold rolling.