EP 3279361 B1 20200429 - HOT ROLLED BAR OR HOT ROLLED WIRE ROD, COMPONENT, AND MANUFACTURING METHOD OF HOT ROLLED BAR OR HOT ROLLED WIRE ROD
Title (en)
HOT ROLLED BAR OR HOT ROLLED WIRE ROD, COMPONENT, AND MANUFACTURING METHOD OF HOT ROLLED BAR OR HOT ROLLED WIRE ROD
Title (de)
WARMGEWALZTER STAB ODER WARMGEWALZTER WALZDRAHT, KOMPONENTE UND HERSTELLUNGSVERFAHREN FÜR WARMGEWALZTEN STAB ODER WARMGEWALZTEN WALZDRAHT
Title (fr)
BARRE LAMINÉE À CHAUD OU FIL MACHINE LAMINÉ À CHAUD, COMPOSANT ET PROCÉDÉ DE FABRICATION D'UNE BARRE LAMINÉE À CHAUD OU FIL MACHINE LAMINÉ À CHAUD
Publication
Application
Priority
- JP 2015071714 A 20150331
- JP 2016061635 W 20160331
Abstract (en)
[origin: EP3279361A1] The present invention adopts a hot rolled bar or hot rolled wire rod including a chemical composition including, by mass%, C: 0.05 to 0.30%, Si: 0.30 to 0.60%, Mn: 0.40 to 1.0%, S: 0.008 to less than 0.040%, Cr: 1.60 to 2.00%, Mo: 0.1% or less, Al: 0.025 to 0.05%, N: 0.010 to 0.025%, Ti: 0.003% or less, Bi: 0.0001 to 0.0050%, and a remainder including Fe and impurities, in which amounts of P and O in the impurities are respectively P: 0.025% or less and O: 0.002% or less; in which a microstructure includes ferrite-pearlite or ferrite-pearlite-bainite, and an Expression (1) is satisfied. 1.70 ‰¤ Cr + 2 × Mo ‰¤ 2.10
IPC 8 full level
B21B 1/16 (2006.01); C21D 6/00 (2006.01); C21D 8/06 (2006.01); C21D 9/52 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/20 (2006.01); C22C 38/22 (2006.01); C22C 38/26 (2006.01); C22C 38/28 (2006.01); C22C 38/42 (2006.01); C22C 38/50 (2006.01)
CPC (source: EP KR US)
B21B 1/16 (2013.01 - EP KR US); C21D 6/002 (2013.01 - EP US); C21D 6/004 (2013.01 - EP US); C21D 6/005 (2013.01 - EP US); C21D 6/008 (2013.01 - EP US); C21D 8/06 (2013.01 - EP KR US); C21D 8/065 (2013.01 - EP US); C21D 9/525 (2013.01 - EP US); C22C 38/00 (2013.01 - EP US); C22C 38/001 (2013.01 - EP US); C22C 38/002 (2013.01 - EP KR US); C22C 38/02 (2013.01 - EP US); C22C 38/04 (2013.01 - EP KR US); C22C 38/06 (2013.01 - EP US); C22C 38/20 (2013.01 - EP US); C22C 38/22 (2013.01 - EP KR US); C22C 38/26 (2013.01 - EP US); C22C 38/28 (2013.01 - EP KR US); C22C 38/42 (2013.01 - EP US); C22C 38/50 (2013.01 - EP KR US); C21D 2211/002 (2013.01 - EP US); C21D 2211/005 (2013.01 - EP US); C21D 2211/009 (2013.01 - EP US)
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
DOCDB simple family (publication)
EP 3279361 A1 20180207; EP 3279361 A4 20181024; EP 3279361 B1 20200429; CN 107429359 A 20171201; CN 107429359 B 20200519; JP 6465206 B2 20190206; JP WO2016159392 A1 20180208; KR 102010684 B1 20190813; KR 20170121267 A 20171101; US 2018355455 A1 20181213; WO 2016159392 A1 20161006
DOCDB simple family (application)
EP 16773271 A 20160331; CN 201680018922 A 20160331; JP 2016061635 W 20160331; JP 2017510277 A 20160331; KR 20177027440 A 20160331; US 201615562321 A 20160331