Title:
PROCESSING METHOD OF GALVANIZED STEEL TUBE
Document Type and Number:
Japanese Patent JP2021080532
Kind Code:
A
Abstract:
To provide a highly versatile processing method of a galvanized steel tube, without applying a special pretreatment to the steel tube, or without forming an element tube having a restricted composition or a galvanized layer.SOLUTION: There is provided a processing method of a galvanized steel tube having a galvanized layer on the surface. In the processing method of the galvanized steel tube, a processing part of the galvanized steel tube is heated and held in a temperature range of 160°C or higher and lower than 240°C, and the processing part in the heated and held state is processed into a target shape.SELECTED DRAWING: Figure 2
Inventors:
OHASHI KAZUYOSHI
YAMAZAKI RYOSUKE
YAMAZAKI RYOSUKE
Application Number:
JP2019210115A
Publication Date:
May 27, 2021
Filing Date:
November 21, 2019
Export Citation:
Assignee:
RIKEN CKJV CO LTD
International Classes:
C23C2/28; B21H7/14; C23C2/06
Attorney, Agent or Firm:
Kaichi Otani