EP 1358360 B1 20070321 - STEEL GALVANIZING METHOD
Title (en)
STEEL GALVANIZING METHOD
Title (de)
VERFAHREN ZUM VERZINKEN VON STAHL
Title (fr)
PROCEDE DE GALVANISATION DE L'ACIER
Publication
Application
Priority
- EP 01273287 A 20011116
- BE 0100199 W 20011116
- EP 01870009 A 20010117
Abstract (en)
[origin: EP1225244A1] Hot coating of a steel sheet (1) is carried out by dipping the sheet in a bath of liquid metal (5) utilizing an inlet tube (5) at least partly under a controlled oxidizing atmosphere. A method for the hot coating of a steel sheet (1) by dipping in a bath of liquid metal (5) utilizing an inlet tube (5) at least partly under a controlled oxidizing atmosphere consists of: (a) passing the sheet through a first zone (9) in which the atmosphere of hydrogen and water vapor is non-oxidizing with respect to iron and such that P(H2)/P(H2O) is greater than 70 and P(H2)) is less than 264 ppm; (b) and passing the sheet through a second zone (10) in which the atmosphere of hydrogen and water vapor is oxidizing with respect to the liquid metal and some alloying elements of the steel and such that the H2 content is less than 1% by volume. An Independent claim is also included for the inlet tube under a controlled atmosphere for putting this method into service and incorporating a means for separating the two zones.
IPC 8 full level
C23C 2/00 (2006.01)
CPC (source: EP US)
C23C 2/00 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1225244 A1 20020724; AT E357541 T1 20070415; DE 60127456 D1 20070503; DE 60127456 T2 20071206; EP 1358360 A1 20031105; EP 1358360 B1 20070321; ES 2283377 T3 20071101; WO 02057504 A1 20020725
DOCDB simple family (application)
EP 01870009 A 20010117; AT 01273287 T 20011116; BE 0100199 W 20011116; DE 60127456 T 20011116; EP 01273287 A 20011116; ES 01273287 T 20011116