国家/地区 中国（4）
IPC部 B（4）
IPC大类 B05（4）
IPC小类 B05D（4）
IPC B05D007/14（3） B05D005/00（2） B05D007/24（2）
C21D009/00（2）
发明人 ZHANG X（2）
公开年 2021（2） 2022（2）
申请年 2020（2）  2022（2） 
专利权人

Acid cleaning process of corrosion resistant stainless steel belt comprises performing solid solution treatment on stainless steel plate, annealing once, finish rolling, and secondary annealing and performing four stages of coating treatment.

YU C, JI F, XING Y, ZHANG X, WU M, LI Y, WU B, WANG Y, SHAN C, BEN H

Preparing multi-composite processing self-lubricating steel bushing useful for preparing bushing, comprises e.g. quenching the bushing blank and tempering, roughly processing the bushing blank, then carrying out salt bath sulfur carbonitriding treatment and performing first spraying.

YIN M

Processing and molding corrosion-resistant screw, comprises e.g. preparing pretreated wire by adding specific series wire into hanging furnace, heating, cooling, then adding processed wire into cold heading machine, and post-processing.

DENG Q

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