Global Patent Index - EP 2245201 B1

EP 2245201 B1 20170913 - HIGH-STRENGTH, LOW-ALLOY STEEL FOR SEAMLESS PIPES WITH OUTSTANDING WELDABILITY AND CORROSION RESISTANCE

Title (en)

HIGH-STRENGTH, LOW-ALLOY STEEL FOR SEAMLESS PIPES WITH OUTSTANDING WELDABILITY AND CORROSION RESISTANCE

Title (de)

HOCHFESTER NIEDRIGLEGIERTER STAHL FÜR NAHTLOSE ROHRE MIT HERVORRAGENDER SCHWEISSBARKEIT UND KORROSIONSBESTÄNDIGKEIT

Title (fr)

ACIER HAUTE RÉSISTANCE ET FAIBLEMENT ALLIÉ POUR TUBES SANS SOUDURE PARTICULIÈREMENT APTE À LA SOUDURE ET RÉSISTANT À LA CORROSION

Publication

EP 2245201 B1 20170913 (DE)

Application

EP 09716073 A 20090202

Priority

  • DE 2009000158 W 20090202
  • DE 102008011856 A 20080228

Abstract (en)

[origin: WO2009106033A1] 1. A high-strength steel and a high-strength, weldable steel pipe. 2.1. The invention relates to a high-strength steel and to a high-strength, weldable steel pipe. 2.2. The high-strength, low-alloy steel for seamless steel pipes with outstanding weldability and resistance to stress corrosion cracking with a minimum yield strength of 620 MPa and a tensile strength of at least 690 MPa is characterized by the composition indicated in claim 1.

IPC 8 full level

C22C 38/08 (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 38/16 (2006.01)

CPC (source: EP US)

C22C 38/02 (2013.01 - EP US); C22C 38/04 (2013.01 - EP US); C22C 38/06 (2013.01 - EP US); C22C 38/08 (2013.01 - EP US); C22C 38/12 (2013.01 - EP US); C22C 38/14 (2013.01 - EP US); C22C 38/16 (2013.01 - EP US)

Designated contracting state (EPC)

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 SE SI SK TR

DOCDB simple family (publication)

WO 2009106033 A1 20090903; AR 070624 A1 20100421; BR PI0908484 A2 20150818; BR PI0908484 A8 20170516; DE 102008011856 A1 20090910; EP 2245201 A1 20101103; EP 2245201 B1 20170913; JP 2011513584 A 20110428; JP 5715826 B2 20150513; MX 2010009446 A 20100930; US 2011259478 A1 20111027

DOCDB simple family (application)

DE 2009000158 W 20090202; AR P090100622 A 20090223; BR PI0908484 A 20090202; DE 102008011856 A 20080228; EP 09716073 A 20090202; JP 2010547943 A 20090202; MX 2010009446 A 20090202; US 92021809 A 20090202