Global Patent Index - EP 1076604 A1

EP 1076604 A1 2001-02-21 - WELDING PROCESSES WITH FERRITIC-AUSTENITIC STAINLESS STEEL

Title (en)

WELDING PROCESSES WITH FERRITIC-AUSTENITIC STAINLESS STEEL

Title (de)

VERFAHREN ZUM SCHWEISSEN MIT FERRITISCH-AUSTENITISCHEM ROSTFREIEM STAHL

Title (fr)

PROCEDES DE SOUDAGE RELATIFS A L'ACIER INOXYDABLE FERRITIQUE-AUSTENITIQUE

Publication

EP 1076604 A1 (EN)

Application

EP 99912747 A

Priority

  • US 9906107 W
  • US 7498198 A

Abstract (en)

[origin: WO9958290A1] A welded article comprises first and second parts welded together such that the parts are joined by a weld, the first and second parts being formed from the same or different austenitic stainless steels, wherein the weld has a Cr-equivalent/Ni-equivalent ratio, R, of about 1.5 to 2.0, wherein Cr equivalent = Cr + 1.37 Mo + 1.45 Si + 2 Nb + 3 Ti, and Ni equivalent = Ni + 0.31 Mn + 22C + 14.2 N + Cu.

IPC 1-7 (main, further and additional classification)

B23K 35/30

IPC 8 full level (invention and additional information)

B23K 35/30 (2006.01)

CPC (invention and additional information)

B23K 35/3086 (2013.01)

Citation (search report)

See references of WO 9958290A1

Designated contracting state (EPC)

CH DE DK FR GB IE LI SE

EPO simple patent family

WO 9958290 A1 19991118; AU 3105399 A 19991129; CN 1109593 C 20030528; CN 1302245 A 20010704; EP 1076604 A1 20010221; IL 136927 D0 20010614; JP 2002514513 A 20020521

INPADOC legal status


2005-12-21 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20050621

2003-01-02 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20021113

2001-02-21 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000804

2001-02-21 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): CH DE DK FR GB IE LI SE