Title (en)

METHOD FOR THE HEAT TREATMENT OF A MANGANESE STEEL PRODUCT AND MANGANESE STEEL PRODUCT

Title (de)

VERFAHREN ZUM WÄRMEBEHANDELN EINES MANGAN-STAHLPRODUKTS UND MANGAN-STAHLPRODUKT

Title (fr)

PROCÉDÉ DE TRAITEMENT THERMIQUE D'UN PRODUIT EN ACIER AU MANGANÈSE ET PRODUIT EN ACIER AU MANGANÈSE

Publication

EP 2935635 B1 20220928 (DE)

Application

EP 13830148 A 20131220

Priority

• EP 12198817 A 20121221
• EP 2013003898 W 20131220
• EP 13830148 A 20131220

Abstract (en)

[origin: EP2746409A1] Method for heat treating manganese steel product involves annealing a steel product at primary holding temperature of more than 780[deg] C for a period of time, cooling, then annealing at secondary holding temperature of 630-660[deg] C for period of time, and cooling. The alloy of manganese steel product contains 0.09-0.15 wt.% carbon and 3.5-10 wt.% manganese. An independent claim is included for manganese steel product.

IPC 8 full level

C21D 1/26 (2006.01); C21D 1/18 (2006.01); C21D 1/78 (2006.01); C21D 6/00 (2006.01); C22C 38/04 (2006.01)

CPC (source: EP US)

C21D 1/185 (2013.01 - EP US); C21D 1/26 (2013.01 - US); C21D 6/005 (2013.01 - EP US); C21D 6/008 (2013.01 - US); C22C 38/02 (2013.01 - US); C22C 38/04 (2013.01 - EP US); C22C 38/06 (2013.01 - US); C21D 1/78 (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 2746409 A1 20140625; CN 104995317 A 20151021; CN 104995317 B 20170919; EP 2935635 A1 20151028; EP 2935635 B1 20220928; JP 2016513169 A 20160512; JP 6719903 B2 20200708; KR 102169850 B1 20201027; KR 20150097722 A 20150826; US 10450622 B2 20191022; US 2016002746 A1 20160107; WO 2014095082 A1 20140626

DOCDB simple family (application)

EP 12198817 A 20121221; CN 201380072929 A 20131220; EP 13830148 A 20131220; EP 2013003898 W 20131220; JP 2015548288 A 20131220; KR 20157019365 A 20131220; US 201314653694 A 20131220