国家/地区 中国（2）
IPC部 B（2）
IPC大类 C22（2）
IPC小类 C22C（2） C23C（2）
IPC C22C038/02（2）
发明人 ZHOU H（2）
公开年 2023（2）
申请年
专利权人

Preparing high strength cold rolling strip steel comprises taking titanium carbide powder, ultrasonically cleaning with acetone, mixing nickel sulfate, ammonium sulfate and aqueous ammonia, transferring to reaction liquid, heating, ball milling under nitrogen environment and sieving.

SU 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