国家/地区 中国（2）
IPC部 B（2）
IPC大类 B21（2）
IPC小类 C09D（2） C21D（2） C22C（2）
C23C（2）
IPC C09D007/61（2）
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Coated aluminum-silicon plated steel plate useful in thermoformed component, comprises steel substrate and aluminum-silicon coating coated on the surface of the steel substrate, where the surface of the aluminum-silicon coating is covered with coating.

MA X, JIN X, LIU H, TAN N

Manufacturing high strength alloy steel bolt comprises taking steel for bolt, performing extrusion, hot upsetting, heat treatment and thread machining to obtain bolt blank, and performing galvanizing and zinc-aluminum coating into bolt blank.

ZHOU H