Title (en)

A HIGH STRENGTH HOT ROLLED STEEL SHEET HAVING EXCELLENT FLASH BUTT WELDABILITY

Publication

EP 0070082 A3 19831109 (EN)

Application

EP 82301325 A 19820316

Priority

JP 3873281 A 19810319

Abstract (en)

[origin: EP0070082A2] A high strength hot rolled steel sheet having excellent flash butt weldability consisting of 0.04-0.15% of C, 0.5-2.3% of Mn, at most 0.5% of Si and 0.5-2.3% of Mn+Si, 0.05-0.15% of P, 0.005-0.100% of Al and the remainder being Fe and incidental impurities and S content being reduced to at most 0.010%. The properties of such a steel sheet are improved by adding at least one of Ti, Nb and V or at least one of Ca and REM, or a combination of at least one of Ti, Nb and V with at least one of Ca and REM in the defined amounts.

IPC 1-7

C22C 38/06; C22C 38/00

IPC 8 full level

B60B 21/00 (2006.01); C22C 38/00 (2006.01); C22C 38/06 (2006.01); C22C 38/12 (2006.01); C22C 38/14 (2006.01)

CPC (source: EP)

C22C 38/06 (2013.01); C22C 38/12 (2013.01); C22C 38/14 (2013.01)

Citation (search report)

• [Y] FR 2259909 A1 19750829 - NIPPON KOKAN KK [JP]
• [Y] US 3827924 A 19740806 - TAKECHI H, et al
• [A] FR 1381221 A 19641214 - KAWASAKI STEEL CO
• [A] FR 1524958 A 19680517 - KAWASAKI STEEL CO
• [A] US 3193417 A 19650706 - KOPCHAK MICHAEL C

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0070082 A2 19830119; EP 0070082 A3 19831109; EP 0070082 B1 19861217; CA 1200124 A 19860204; DE 3274748 D1 19870129; JP S57155347 A 19820925; JP S6221069 B2 19870511

DOCDB simple family (application)

EP 82301325 A 19820316; CA 398446 A 19820316; DE 3274748 T 19820316; JP 3873281 A 19810319