国家/地区 中国（9）
IPC部 C（9）
IPC大类 C21（9）
IPC小类 C21D（9）
IPC C21D006/00（9）
发明人 ZHOU H（2）
公开年 2018（3） 2022（2） 2023（2）
申请年 2017（2）  2021（2）  2022（2） 
专利权人

Corrosion-resistant stainless steel pipe comprises pipe body and anti-corrosion coating applied on surface of pipe body, where pipe body comprises carbon, titanium, niobium, chromium, molybdenum, iron and rare earth element including rare earth oxide modified by nano-silicon carbide.

LI J, XIANG L, WANG J

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

MENG K

Method for preparing graphene composite 18Ni-300 anti-friction metal material based on selective laser melting (SLM) technology, involves subjecting anti-friction metal material formed to aging treatment to obtain finished graphene composite anti-friction metal material.

WANG R, LIU W, ZHAO W, LU Y, WANG Q, OU B

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

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

Toughness mold comprises iron powder, carbon, silicon, manganese, phosphorus, sulfur, chromium carbide, graphene, boron carbide, alumina, molybdenum, nickel oxide, tin and deionized water, is prepared by adding raw materials.

WANG F

Iron-based alloy comprises specified amounts of graphene composite material, carbon, silicon, manganese, chromium, tungsten, molybdenum, titanium, boron, vanadium, niobium, phosphorus, sulfur and iron.

CHANG F, XIA J, XU H, WANG M

Silicon carbide granule enhanced iron-based composite material, comprises aluminum, molybdenum, copper, tin, graphene, magnesium, silicon carbide, silicon, boron and rest iron.

LIU L, LIU X, WANG S, ZUO G