EP 2682485 B1 20170315 - Method and device for producing steel pipes with special properties
Title (en)
Method and device for producing steel pipes with special properties
Title (de)
Verfahren und Vorrichtung zur Herstellung von Stahlrohren mit besonderen Eigenschaften
Title (fr)
Procédé et dispositif de fabrication de tubes en acier ayant des propriétés particulières
Publication
Application
Priority
- AT 18142008 A 20081120
- EP 09763823 A 20091116
Abstract (en)
[origin: WO2010057235A1] The invention relates to a method and to an apparatus for producing pipes made of steel. According to the invention, within a period of time of no more than 20 seconds after the last deformation at a temperature greater than 700ºC, but less than 1050ºC, during passage a cooling medium is applied with elevated pressure onto the outside circumference of the pipe over a length of greater than 400 times the pipe wall thickness in a quantity which during rapid cooling provides an equivalent cooling speed of greater than 1ºC/second of the pipe wall over the pipe length to a temperature in the range of 500ºC to 250ºC, whereupon further cooling of the pipe down to room temperature is carried out by exposure to air.
IPC 8 full level
C21D 8/10 (2006.01); C21D 9/08 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01)
CPC (source: EP KR US)
C21D 8/105 (2013.01 - EP US); C21D 9/08 (2013.01 - KR); C21D 9/085 (2013.01 - EP US); C22C 38/04 (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 SM TR
DOCDB simple family (publication)
WO 2010057235 A1 20100527; AR 075551 A1 20110420; AT 507596 A1 20100615; AT 507596 B1 20110415; BR 122017014778 B1 20181016; BR PI0921077 A2 20151215; BR PI0921077 B1 20180116; CA 2748046 A1 20100527; CA 2748046 C 20180109; CN 102224265 A 20111019; EA 021245 B1 20150529; EA 201100799 A1 20111230; EP 2356262 A1 20110817; EP 2356262 B1 20160309; EP 2682485 A1 20140108; EP 2682485 B1 20170315; ES 2569103 T3 20160506; ES 2625085 T3 20170718; HR P20160591 T1 20160701; HR P20170838 T1 20170825; JP 2012509398 A 20120419; KR 101694679 B1 20170110; KR 101760654 B1 20170804; KR 20110095376 A 20110824; KR 20160137675 A 20161130; MX 2011005110 A 20110530; PL 2356262 T3 20160831; PL 2682485 T3 20170929; SG 10201500738Q A 20150330; SG 10202013010S A 20210225; UA 98088 C2 20120410; US 2011272067 A1 20111110; US 9394582 B2 20160719; ZA 201102056 B 20111130
DOCDB simple family (application)
AT 2009000439 W 20091116; AR P090104006 A 20091019; AT 18142008 A 20081120; BR 122017014778 A 20091116; BR PI0921077 A 20091116; CA 2748046 A 20091116; CN 200980146610 A 20091116; EA 201100799 A 20091116; EP 09763823 A 20091116; EP 13187253 A 20091116; ES 09763823 T 20091116; ES 13187253 T 20091116; HR P20160591 T 20160601; HR P20170838 T 20170601; JP 2011536700 A 20091116; KR 20117014023 A 20091116; KR 20167032619 A 20091116; MX 2011005110 A 20091116; PL 09763823 T 20091116; PL 13187253 T 20091116; SG 10201500738Q A 20091116; SG 10202013010S A 20091116; UA A201107654 A 20091116; US 200913128838 A 20091116; ZA 201102056 A 20110318