EP 2990499 A1 20160302 - WIRE ROD AND METHOD FOR MANUFACTURING SAME
Title (en)
WIRE ROD AND METHOD FOR MANUFACTURING SAME
Title (de)
WALZDRAHT UND VERFAHREN ZUR HERSTELLUNG DAVON
Title (fr)
FIL MACHINE ET SON PROCÉDÉ DE FABRICATION
Publication
Application
Priority
- JP 2013092775 A 20130425
- JP 2013092782 A 20130425
- JP 2014061460 W 20140423
Abstract (en)
A wire rod according to the present invention includes a predetermined chemical composition and the remainder thereof includes Fe and impurity, wherein the average value of a grain size of a pearlite block in a cross section perpendicular to a wire rod axial direction is 23µm or less, and wherein a number density of the pearlite blocks having a grain size of 40µm or more in the cross section perpendicular to the wire rod axial direction is 0 to 20 pieces/mm 2 .
IPC 8 full level
C22C 38/00 (2006.01); B21B 3/00 (2006.01); C21D 1/613 (2006.01); C21D 8/06 (2006.01); C21D 9/00 (2006.01); C21D 9/52 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/12 (2006.01); C22C 38/14 (2006.01); C22C 38/24 (2006.01); C22C 38/28 (2006.01); C22C 38/32 (2006.01)
CPC (source: EP)
C21D 1/613 (2013.01); C21D 8/06 (2013.01); C21D 9/0075 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/12 (2013.01); C22C 38/14 (2013.01); C22C 38/24 (2013.01); C22C 38/28 (2013.01); C22C 38/32 (2013.01); C21D 9/525 (2013.01); C21D 2211/009 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2990499 A1 20160302; EP 2990499 A4 20170104; EP 2990499 B1 20180718; JP 6256464 B2 20180110; JP WO2014175345 A1 20170223; KR 20150138356 A 20151209; WO 2014175345 A1 20141030
DOCDB simple family (application)
EP 14788178 A 20140423; JP 2014061460 W 20140423; JP 2015513810 A 20140423; KR 20157031549 A 20140423