国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3） C22（3） C23（2）
IPC小类 C21D（3）
IPC C21D001/18（2） C21D006/00（2）
发明人 ZHOU H（3）
公开年 2023（2）
申请年
专利权人

Preparing battery steel case coated with metal layer on the surface, comprises e.g. grinding surface of low-carbon steel strip, performing electroplating in nickel-iron plating solution, surface magnetron sputtering of cobalt, and electroplating in nickel-iron-cobalt-phosphorus plating solution.

LI J, ZHOU H

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

High temperature corrosion resistant alloy steel comprises lead, palladium, cobalt, silicon, tin, graphene, sodium silicate, carbon fiber, bismuth, iron, zirconium, tungsten carbide, cerium and cadmium.

ZHOU H