Title:
HIGH-CARBON STEEL WIRE MATERIAL WITH EXCELLENT WIRE DRAWABILITY, AND STEEL WIRE
Document Type and Number:
WIPO Patent Application WO/2016/158901
Kind Code:
A1
Abstract:
A high-carbon steel wire material having excellent wire drawability is provided. This high-carbon steel wire material comprises given components and has a structure which comprises pearlite and pro-eutectoid cementite, wherein the areal proportion of the pearlite in the whole structure is 90% or greater, the pro-eutectoid cementite has a maximum length of 15 µm or less, and the concentration difference between the average Si concentration of inner portions of the pro-eutectoid cementite phase and the maximum Si concentration of inner portions of the ferrite phase which constitutes the lamellar structure of the pearlite is 0.50-3%.
Inventors:
ISHIDA TOMONOBU
MASUDA TOMOKAZU
MASUDA TOMOKAZU
Application Number:
PCT/JP2016/060019
Publication Date:
October 06, 2016
Filing Date:
March 29, 2016
Export Citation:
Assignee:
KK KOBE SEIKO SHO(KOBE STEEL LTD ) (JP)
International Classes:
C22C38/00; C22C38/14; C22C38/54; C21D8/06; C21D9/52
Foreign References:
| JP2001181789A | 2001-07-03 | |||
| JP2003183778A | 2003-07-03 | |||
| JP2010270391A | 2010-12-02 | |||
| JP2006200039A | 2006-08-03 | |||
| JP2005002413A | 2005-01-06 | |||
| JP2007039800A | 2007-02-15 |
Other References:
See also references of EP 3282027A4
Attorney, Agent or Firm:
UEKI, Kyuichi et al. (JP)
Hisakazu Ueki (JP)
Hisakazu Ueki (JP)
Download PDF: