国家/地区 中国（3）
IPC部 B（3）
IPC大类 C22（3）
IPC小类 C22C（3） C23C（3） C09D（2）
C21D（2）
IPC C22C038/12（3）
发明人
公开年 2023（3）
申请年 2022（3） 
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

Iron-based powder metallurgy material used in various industrial manufacturing fields, comprises iron powder, modified composite powder, nano graphene, cobalt powder, molybdenum powder, and zinc stearate, where modified composite powder is prepared by modifying iron powder with copper.

ZHENG J, LIANG X, LIANG H, WANG P