国家/地区 中国（16）
IPC部 C（16）
IPC大类 C21（16）
IPC小类 C21D（16）
IPC C21D001/18（16）
发明人 LIU L（2） ZHOU H（2） ZHOU Q（2）
ZHU W（2）
公开年 2018（4） 2020（4） 2021（3） 2017（2） 2022（2）
申请年 2020（5）  2017（4）  2018（3）  2022（2） 
专利权人 ANHUI NINGGU.（2） WANSHSIN SEI.（2）

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

Producing high-performance engineering fastener material useful for fastening at least two parts or components in engineering field, comprises e.g. choosing steel bar as engineering fastener raw material, carrying out degreasing, decontamination and rust removal treatment, compacting and cooling.

SHEN J, HU L, LI H, ZHANG Y

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

MENG K

Preparing steel ball for wear-resistant corrosion-resistant ball mill comprises e.g. heating and smelting raw material of steel ball base in electric furnace to obtain molten steel, casting molten steel to obtain casting blank, and rolling.

JIANG J, PENG Z

Preparing high-damping copper-aluminum-manganese shape memory alloy, involves crushing copper zirconium compound inoculant ingot, mixing inoculant particles with multi-layer graphene, ball milling, drying composite powder, and solidifying.

WANG Q, JIAO Z, YIN F, ZHANG J, LIU L, JI P, YAO C

Pulverizer tungsten steel blades heat treatment process comprises heating tungsten steel blade, lowering furnace temperature to cool, taking out, and naturally cooling.

ZHU X

Brake disc containing metallic niobium composition comprises e.g. main material composed of iron, carbon, silicon, manganese, niobium and molybdenum, and auxiliary material composed of zirconia toughened ceramic powder, and graphene powder.

FENG G

Preparing high corrosion resistance medium entropy quench and partitioning steel comprises e.g. preparing graphene oxide/alluminum composite powder, preparing graphene solution by adding graphene to deionized water.

LIU H, LIU L, YANG H, SUN F, JING X, PEI C

High chromium ball comprises carbon, silicon, manganese, chromium, molybdenum, copper, sulfur, phosphorus, cerium, graphene, and iron.

ZHU W

Processing of low-chromium alloy wear-resistant ball involves smelting carbon, silicon, manganese, chromium, copper, titanium, sulfur, phosphorus, and balance iron, casting, grinding, adding graphene, casting, cooling, and tempering.

ZHU W