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1. (WO2018218734) METHOD FOR PREPARING ULTRA-THIN FERRITIC STAINLESS STEEL STRIP WITH BRIGHT SURFACE

Pub. No.:    WO/2018/218734    International Application No.:    PCT/CN2017/092305
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Sun Jul 09 01:59:59 CEST 2017
IPC: B21B 1/28
B21B 37/28
B21B 37/00
C21D 8/02
Applicants: JIANGSU YONGJIN METAL TECHNOLOGY CO.,LTD
江苏甬金金属科技有限公司
Inventors: DONG, Zhaoyong
董赵勇
BEN, Haifeng
贲海峰
WANG, Guojun
王国军
SHAN, Zhaohui
单朝晖
WANG, Yong
王勇
Title: METHOD FOR PREPARING ULTRA-THIN FERRITIC STAINLESS STEEL STRIP WITH BRIGHT SURFACE
Abstract:
A method for preparing an ultra-thin ferritic stainless steel strip with a bright surface: by means of the eight processes of manufacturing a precision control working roller, primary rolling, bright annealing, secondary rolling, bright annealing, finishing rolling, bright annealing, and levelling, preparing an ultra-thin ferritic stainless steel strip with a bright surface having a thickness of 0.05-0.1 mm, a surface gloss of GS≥600GU, and a surface roughness of Ra≤0.02 μm. In the present method, the final time of using the precision control working roller during the finishing rolling process and the control of the surface roughness of the stainless steel strip during each procedure in the preparation process greatly improve the surface fineness and resolution of the ultra-thin ferritic stainless steel strip, and the surface roughness Ra can be reduced to within 0.02 μm.