Patent ID: 11965224
Assignee: NIPPON STEEL CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A steel sheet for a can comprising, by mass %:
C: 0.010% to 0.050%;
Si: 0.020% or less;
Mn: 0.10% to 0.60%;
P: 0.020% or less;
S: 0.020% or less;
Al: 0.050% or less;
N: 0.0100% or less;
Nb: 0% to 0.03%;
Ti: 0% to 0.03%;
B: 0% to 0.0020%; and
a remainder including Fe and unavoidable impurities,
wherein, among carbides observed in a cross section of the steel sheet for a can, when the number of carbides having an equivalent circle diameter of 2 μm or more and 5 μm or less is indicated by a, and the number of carbides having an equivalent circle diameter, which is measured by using analysis software provided in a microscope VBX500 manufactured by KEYENCE Corporation, of 0.1 μm or more and less than 2 μm is indicated by b, a/b satisfies a range of the following formula (1), a fracture strain is 1.6 or more, and a sheet thickness is 0.10 to 0.30 mm

a/b<0.12  . . . (1).