WO2004015156-A1  See also references of EP 1536031A1EP1536031-A1  PATENT ABSTRACTS OF JAPAN vol. 1995, no. 09, 31 October 1995 (1995-10-31) -& JP 07 145453 A (SUMITOMO METAL IND LTD), 6 June 1995 (1995-06-06);  PATENT ABSTRACTS OF JAPAN vol. 1996, no. 07, 31 July 1996 (1996-07-31) -& JP 08 060306 A (SUMITOMO METAL IND LTD), 5 March 1996 (1996-03-05);  PATENT ABSTRACTS OF JAPAN vol. 1996, no. 09, 30 September 1996 (1996-09-30) -& JP 08 127847 A (NIPPON STEEL CORP; TOYOTA MOTOR CORP), 21 May 1996 (1996-05-21);  PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14, 31 December 1998 (1998-12-31) -& JP 10 237600 A (SUMITOMO METAL IND LTD), 8 September 1998 (1998-09-08);  PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14, 31 December 1998 (1998-12-31) -& JP 10 251808 A (SANYO SPECIAL STEEL CO LTD; RIKEN CORP), 22 September 1998 (1998-09-22);  PATENT ABSTRACTS OF JAPAN vol. 2000, no. 07, 29 September 2000 (2000-09-29) -& JP 2000 096193 A (HITACHI LTD; CHOKOON ZAIRYO KENKYUSHO:KK), 4 April 2000 (2000-04-04);  PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10, 31 October 1997 (1997-10-31) -& JP 09 157801 A (HITACHI METALS LTD), 17 June 1997 (1997-06-17);  PATENT ABSTRACTS OF JAPAN vol. 1999, no. 01, 29 January 1999 (1999-01-29) -& JP 10 280103 A (HITACHI METALS LTD), 20 October 1998 (1998-10-20);  See also references of WO 2004015156A1;  PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10, 31 October 1997 (1997-10-31) -&JP 09 157801 A (HITACHI METALS LTD), 17 June 1997 (1997-06-17);  PATENT ABSTRACTS OF JAPAN vol. 1999, no. 01, 29 January 1999 (1999-01-29) -&JP 10 280103 A (HITACHI METALS LTD), 20 October 1998 (1998-10-20);  PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14, 31 December 1998 (1998-12-31) -&JP 10 237600 A (SUMITOMO METAL IND LTD), 8 September 1998 (1998-09-08);  PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14, 31 December 1998 (1998-12-31) -&JP 10 251808 A (SANYO SPECIAL STEEL CO LTD; RIKEN CORP), 22 September 1998 (1998-09-22);  PATENT ABSTRACTS OF JAPAN vol. 2000, no. 07, 29 September 2000 (2000-09-29) -&JP 2000 096193 A (HITACHI LTD; CHOKOON ZAIRYO KENKYUSHO:KK), 4 April 2000 (2000-04-04);  PATENT ABSTRACTS OF JAPAN vol. 1995, no. 09, 31 October 1995 (1995-10-31) -&JP 07 145453 A (SUMITOMO METAL IND LTD), 6 June 1995 (1995-06-06);  PATENT ABSTRACTS OF JAPAN vol. 1996, no. 07, 31 July 1996 (1996-07-31) -&JP 08 060306 A (SUMITOMO METAL IND LTD), 5 March 1996 (1996-03-05);  PATENT ABSTRACTS OF JAPAN vol. 1996, no. 09, 30 September 1996 (1996-09-30) -&JP 08 127847 A (NIPPON STEEL CORP; TOYOTA MOTOR CORP), 21 May 1996 (1996-05-21)