Global Patent Index - EP 1449932 B1

EP 1449932 B1 20070912 - FREE-CUTTING STEEL

Title (en)

FREE-CUTTING STEEL

Title (de)

AUTOMATENSTAHL

Title (fr)

ACIER DE DECOLLETAGE

Publication

EP 1449932 B1 20070912 (EN)

Application

EP 02783714 A 20021129

Priority

  • JP 0212559 W 20021129
  • JP 2001366695 A 20011130
  • JP 2002185494 A 20020626
  • JP 2002185495 A 20020626
  • JP 2002185496 A 20020626

Abstract (en)

[origin: EP1449932A1] A low carbon free cutting steel can be obtained by allowing the steel to contain 0.02 to 0.15 mass % of C, 0.05 to 1.8 mass % of Mn, 0.20 to 0.49 mass % of S, more than 0.01 mass % and not more than 0.03 mass % of O 0.3 to 2.3% of Cr, and the balance consisting of Fe and inevitable impurities, the Cr/S ratio falling within a range of between 2 and 6. <IMAGE>

IPC 8 full level

C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/18 (2006.01); C22C 38/58 (2006.01); C22C 38/60 (2006.01)

CPC (source: EP KR)

C22C 38/002 (2013.01 - EP KR); C22C 38/04 (2013.01 - EP KR); C22C 38/18 (2013.01 - EP KR); C22C 38/58 (2013.01 - EP KR); C22C 38/60 (2013.01 - EP KR)

Designated contracting state (EPC)

DE FR GB IT SE

DOCDB simple family (publication)

EP 1449932 A1 20040825; EP 1449932 A4 20050126; EP 1449932 B1 20070912; CN 1276985 C 20060927; CN 1596320 A 20050316; DE 60222460 D1 20071025; DE 60222460 T2 20080619; KR 100604119 B1 20060725; KR 20040060996 A 20040706; TW 200300799 A 20030616; TW 583315 B 20040411; WO 03046240 A1 20030605

DOCDB simple family (application)

EP 02783714 A 20021129; CN 02823873 A 20021129; DE 60222460 T 20021129; JP 0212559 W 20021129; KR 20047008056 A 20021129; TW 91134756 A 20021129