国家/地区 中国（10）
IPC部 C（10）
IPC大类 C21（10）
IPC小类 C21D（10）
IPC C21D006/00（10）
发明人 LI J（2） ZHOU H（2）
公开年 2018（3） 2021（2） 2022（2） 2023（2）
申请年 2017（2）  2020（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

Energy-saving environment-friendly stainless steel tube annealing furnace comprises furnace body, furnace opening, power box, heating pipe, inner wall, motor, rear turntable, side edge, gas conveying pipe, and fixing pipe disc.

JIANG Z, XIANG Y, LI J, ZHANG J, WANG Y, FENG M, HUA F

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