国家/地区 中国（6）
IPC部 B（6）
IPC大类 B21（6）
IPC小类 C22C（6）
IPC C22C038/02（6）
发明人
公开年 2021（3） 2023（2）
申请年 2022（3）  2020（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

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

Sliding plate useful for rolling mill comprises sliding plate main body whose surface provided with a cladding layer including carbon, chromium, manganese, silicon, molybdenum, nickel, aluminum, cobalt, copper, vanadium, phosphorus, sulfur, niobium, titanium and iron.

ZOU J

Screw thread steel comprises pig iron, ferrosilicon, high carbon ferromanganese alloy, high carbon ferrochrome, ferromolybdenum alloy, copper titanium alloy, nickel iron alloy, ferrotitanium, ferrosilicon nitride and graphene powder.

LIN T, CHEN Y, LIU G, ZHANG S, ZHOU W

High-temperature corrosion-resistant steel used for pipelines, comprises carbon, silicon, manganese, nickel, chromium, molybdenum, nitrogen, tungsten, sulfur, phosphorus, neodymium, gadolinium, yttrium and iron.

ZHANG X, DU F, LI L