Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MANUFACTURE OF SEAMLESS STAINLESS STEEL TUBE
Document Type and Number:
Japanese Patent JPH06198310
Kind Code:
A
Abstract:

PURPOSE: To stably manufacture a seamless stainless steel tube having excellent surface quality by a rolling method with which high production efficiency is attained.

CONSTITUTION: An oxidation inhibitor 21 which is jetted with jetting nozzles 20 is applied on the outer surface of a billet 10 before heating. The billet 10 is heated in a heating furnace 3, passed through a tunnellike removing device 40 before piercing with a piercer 5 and the oxidation inhibitor 21 which is applied on the outer surface of the billet 10 is removed desirably leaving a prescribed thickness with high-pressure water or the like which is jetted from the inner periphery of the removing device 40.


Inventors:
NAGASE YUTAKA
Application Number:
JP124193A
Publication Date:
July 19, 1994
Filing Date:
January 07, 1993
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SUMITOMO METAL IND
International Classes:
B21B19/04; B21B45/00; C21D1/70; (IPC1-7): B21B19/04; B21B45/00; C21D1/70
Attorney, Agent or Firm:
Tono Kono