EP 0003208 A1 19790725 - Silicon alloyed steel.

Title (en)

Silicon alloyed steel.

Title (de)

Siliziumstahl.

Title (fr)

Acier au silicium.

Publication

EP 0003208 A1 19790725 (EN)

Application

EP 79850001 A 19790104

Priority

FI 780026 A 19780105

Abstract (en)

This invention is related to a high strength steel provided with a bainitic-austenitic microstructure which is accomplished by isothermal heat treatment. Said steel contains various alloying elements in the following amounts expressed as weight percentage: Carbon (C) 0.8 - 1.2% Silicon (Si) 2.0 - 2.6% Manganese (Mn) 0.3 - 1.0%, preferably 0.3 - 0.5%, the remainder consisting of iron and normal impurities.

IPC 1-7

C22C 38/02; C21D 1/20; C22C 38/08; C22C 38/12; C22C 38/34; C22C 38/40; C22C 38/44; C22C 38/48

IPC 8 full level

C21D 1/20 (2006.01); C22C 38/02 (2006.01)

CPC (source: EP)

C21D 1/20 (2013.01); C22C 38/02 (2013.01)

Citation (search report)

[X] CH 311324 A 19551130 - GUSSSTAHLWERK WITTEN AKTIENGES [DE]
[X] FR 1286077 A 19620302 - RENAULT
[X] US 3528088 A 19700908 - SEGHEZZI HANS-DIETER, et al
DE 2334992 A1 19740207 - KYMIN OY KYMMENE AB
[A] US 1924099 A 19330829 - BAIN EDGAR C, et al
ARCHIV EISENH]TTENWESEN, Vol. 45, No. 9, 1974, D}sseldorf. H. SEILSTORFER et al: "Umwandlungsverhalten in der Zwischenstufe und EinfluB der Umwandlung auf die mechanischen Eigenschaften von Stahl 71 Si 7", pages 623 to 627.

Designated contracting state (EPC)

BE CH DE FR GB NL SE

DOCDB simple family (publication)

EP 0003208 A1 19790725; CA 1130617 A 19820831; DK 583778 A 19790706; FI 780026 A 19790706; IT 1110730 B 19860106; IT 7919100 A0 19790105; NO 790013 L 19790706

DOCDB simple family (application)

EP 79850001 A 19790104; CA 319150 A 19790104; DK 583778 A 19781228; FI 780026 A 19780105; IT 1910079 A 19790105; NO 790013 A 19790103