Patent ID: 11965249
Assignee: NIPPON STEEL CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC C  Y | IPC C

Claim 4:
5. The surface-treated metal material according to claim 1, wherein a chemical composition of the plating layer contains:
Al: more than 4.0% to less than 25.0%;
Mg: more than 1.0% to less than 12.5%;
Sn: 0% to 20%,
Bi: 0% to less than 5.0%;
In: 0% to less than 2.0%;
Ca: 0% to 3.0%;
Y: 0% to 0.5%;
La: 0% to less than 0.5%;
Ce: 0% to less than 0.5%:
Si: 0% to less than 2.5%;
Cr: 0% to less than 0.25%:
Ti: 0% to less than 0.25%;
Ni: 0% to less than 0.25%;
Co: 0% to less than 0.25%
V: 0% to less than 0.25%;
Nb: 0% to less than 0.25%;
Cu: 0% to less than 0.25%;
Mn: 0% to less than 0.25%:
Fe: 0% to 5.0%;
Sr: 0% to less than 0.5%;
Sb: 0% to less than 0.5%;
Pb: 0% to less than 0.5%; and
B: 0% to less than 0.5%,
with a remainder of Zn and impurities.