Title:
鋼及びこの鋼でつくられたプラスチック物質用の成型工具
Document Type and Number:
Japanese Patent JP2006504868
Kind Code:
A
Abstract:
The invention concerns a steel, particularly a steel for mould tools for plastic moulding, having the following chemical composition in weight-%:0.43-0.60 C from traces to 1.5 Si from traces to 1.5 (Si+Al) 0.1-2.0 Mn 3.0-7.0 Cr 1.5-4.0 (Mo+), however max. 1.0 W 0.30-0.70 V max. 0.1 of each of Nb, Ti and Zr max. 2.0 Co max. 2.0 Ni balance essentially only iron and unavoidable impurities. After hardening and high temperature tempering at 520-560° C., the steel has a hardness of 56-68 HRC.
Inventors:
Sandberg, Odd
Application Number:
JP2004513532A
Publication Date:
February 09, 2006
Filing Date:
May 07, 2003
Export Citation:
Assignee:
Uddeholm Tooling Aktiebolag
International Classes:
C22C38/00; C21D6/00; C21D9/00; C22C38/22; C22C38/24; C22C38/58; C21D1/18
Domestic Patent References:
| JPH10273756A | 1998-10-13 | |||
| JP2000273590A | 2000-10-03 |
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Shinichi Iwata
Masaaki Ogata
Ishibashi Masayuki
Shinichi Iwata
Masaaki Ogata