Title:
SURFACE TREATED STEEL SHEET FOR WELDED CAN
Document Type and Number:
Japanese Patent JPH04224697
Kind Code:
A
Abstract:
PURPOSE:To provide an electrolytic chromate treated steel sheet for welded can having excellent high speed welding characteristic without applying grinding and finishing property of coating print on outer surface. CONSTITUTION:In both surfaces in the electrolytic chromate treated steel sheet, film having high forming density of large grain size of granular metallic chromium is arranged at the side of the one side surface and film having extremely low forming density of large grain size of the granular metallic chromium is arranged at the side of the other side surface. Further, from the viewpoint of weldability, etc., the forming density of large grain size of the granular metallic chromium and film sticking rate on each surface, are regulated.
Inventors:
IWASA HIROKI
WATANABE TOYOFUMI
FURUYA HIROHIDE
KASHIYAMA YOSHITAKA
AWAYA TAKASHI
WATANABE TOYOFUMI
FURUYA HIROHIDE
KASHIYAMA YOSHITAKA
AWAYA TAKASHI
Application Number:
JP41393190A
Publication Date:
August 13, 1992
Filing Date:
December 26, 1990
Export Citation:
Assignee:
NIPPON KOKAN KK
International Classes:
C25D11/38; (IPC1-7): C25D11/38
Domestic Patent References:
| JPS6326200A | 1988-02-03 | |||
| JPS63186894A | 1988-08-02 | |||
| JPS6254096A | 1987-03-09 | |||
| JPS6335797A | 1988-02-16 |
Attorney, Agent or Firm:
Tomomachi Masatoshi