Global Patent Index - EP 3418412 B1

EP 3418412 B1 20210407 - STEEL USEFUL AS MATERIAL FOR CHAINS

Title (en)

STEEL USEFUL AS MATERIAL FOR CHAINS

Title (de)

STAHL NÜTZLICH ALS MATERIAL FÜR KETTEN

Title (fr)

ACIER UTILE COMME MATÉRIEL POUR LES CHAÎNES

Publication

EP 3418412 B1 20210407 (EN)

Application

EP 16890566 A 20160219

Priority

JP 2016054853 W 20160219

Abstract (en)

[origin: EP3418412A1] According to an aspect of the present invention, there is provided a steel containing, by unit mass%, C: 0.08% to 0.12%, Si: 0.05% to 0.50%, Mn: 1.50% to 3.00%, P: 0.040% or less, S: 0.020% or less, V: 0.010% or less, Ti: 0.010% or less, Nb: 0.005% or less, Cr: 1.00% to 2.50%, Cu: 0.01% to 0.50%, Ni: 0.75% to 1.60%, Mo: 0.10% to 0.50%, Al: 0.025% to 0.050%, N: 0.0100% to 0.0200%, Ca: 0% to 0.0100%, Zr: 0% to 0.0100%, Mg: 0% to 0.0100%, and a remainder including Fe and impurities, in which a ratio of an Al content to a N content is 2.6 or less, a ratio of a Mn content to a Ni content is 1.5 or more and 3.0 or less.

IPC 8 full level

C22C 38/02 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/18 (2006.01); C22C 38/40 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/48 (2006.01); C22C 38/50 (2006.01); C22C 38/58 (2006.01); C21D 9/46 (2006.01)

CPC (source: EP KR US)

C22C 38/00 (2013.01 - EP); C22C 38/001 (2013.01 - KR US); C22C 38/002 (2013.01 - US); C22C 38/02 (2013.01 - EP KR US); C22C 38/04 (2013.01 - EP); C22C 38/06 (2013.01 - EP KR US); C22C 38/18 (2013.01 - EP); C22C 38/40 (2013.01 - EP); C22C 38/42 (2013.01 - KR US); C22C 38/44 (2013.01 - EP KR US); C22C 38/46 (2013.01 - EP US); C22C 38/48 (2013.01 - EP US); C22C 38/50 (2013.01 - EP US); C22C 38/58 (2013.01 - EP KR US); C21D 1/18 (2013.01 - US); C21D 6/004 (2013.01 - US); C21D 6/005 (2013.01 - US); C21D 6/008 (2013.01 - US); C21D 9/46 (2013.01 - EP); C21D 2211/001 (2013.01 - US); C21D 2211/003 (2013.01 - US); C21D 2211/008 (2013.01 - 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 3418412 A1 20181226; EP 3418412 A4 20190821; EP 3418412 B1 20210407; CN 108603259 A 20180928; CN 108603259 B 20201106; JP 6590001 B2 20191016; JP WO2017141425 A1 20181108; KR 102113045 B1 20200520; KR 20180099881 A 20180905; US 2020165711 A1 20200528; WO 2017141425 A1 20170824

DOCDB simple family (application)

EP 16890566 A 20160219; CN 201680081304 A 20160219; JP 2016054853 W 20160219; JP 2017567914 A 20160219; KR 20187022742 A 20160219; US 201616071283 A 20160219