Global Patent Index - EP 1449932 A1

EP 1449932 A1 20040825 - FREE-CUTTING STEEL

Title (en)

FREE-CUTTING STEEL

Title (de)

AUTOMATENSTAHL

Title (fr)

ACIER DE DECOLLETAGE

Publication

EP 1449932 A1 20040825 (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)

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 1-7

C22C 38/00; C22C 38/60; C22C 38/18

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)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

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