EP 0780483 A1 19970625 - High-strength austenitic heat-resisting steel having improved weldability

Title (en)

High-strength austenitic heat-resisting steel having improved weldability

Title (de)

Hochfester wärmebeständiger austenitischer Stahl mit verbesserter Schweissbarkeit

Title (fr)

Acier thermorésistant austénitique à résistance élevée ayant une soudabilité améliorée

Publication

EP 0780483 A1 19970625 (EN)

Application

EP 96120536 A 19961219

Priority

JP 33234195 A 19951220
JP 13541296 A 19960529

Abstract (en)

A high-strength austenitic heat-resisting steel, having improved weldability, consisting of less than 0.05 wt% C, not more than 5 wt% Si, less than 2 wt% Mn, not more than 0.03 wt% P, not more than 0.005 wt% S, 15 to 20 wt% Cr, 6 to 15 wt% Ni, 1.5 to 10 wt% W, more than 0.1 up to 0.5 wt% Nb, 0.05 to 1.5 wt% V, more than 0.15 up to 0.4 wt% N, and the balance consisting of Fe and unavoidable impurities.

IPC 1-7

C22C 38/44; C22C 38/46; C22C 38/48

IPC 8 full level

C22C 38/00 (2006.01); C22C 38/18 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/48 (2006.01)

CPC (source: EP)

C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/48 (2013.01)

Citation (applicant)

IRON AND STEEL., vol. 70, pages S1409
THERMAL AND NUCLEAR ELECTRIC POWER GENERATION., vol. 38, pages 75

Citation (search report)

[A] EP 0178374 A1 19860423 - TOSHIBA KK [JP]
[A] GB 1224898 A 19710310 - UGINE KUHLMANN [FR]
[A] GB 617194 A 19490202 - HAYNES STELLITE CO
[A] US 3693245 A 19720926 - CADENET JEAN-JACQUES DE

Designated contracting state (EPC)

DE ES FR SE

DOCDB simple family (publication)

EP 0780483 A1 19970625; EP 0780483 B1 20020417; DE 69620722 D1 20020523; DE 69620722 T2 20021205; JP 3388998 B2 20030324; JP H09228003 A 19970902

DOCDB simple family (application)

EP 96120536 A 19961219; DE 69620722 T 19961219; JP 13541296 A 19960529