国家/地区 中国（2）
IPC部 B（2）
IPC大类 B22（2）
IPC小类 B22C（2）
IPC C22C038/02（2）
发明人
公开年 2022（2）
申请年
专利权人

High hardness and high nickel-chromium-molybdenum composite roll structure, has rotating ring whose one side is fixedly welded with hard scraper, and hard scraper has T-shaped structure movably attached to inner wall of circular cavity.

ZHANG D, CHEN M

High strength conversion flange comprises steel material having carbon, silicon, manganese, chromium, nickel, molybdenum, gallalium, Rhenium, zirconium, lutetium, and strontium.

MENG K