Title:
STEEL, TOOL STEEL, ESPECIALLY ADJUSTMENT METHOD OF THERMAL CONDUCTIVITY OF HOT WORKED STEEL AND STEEL PRODUCT
Document Type and Number:
Japanese Patent JP2014111835
Kind Code:
A
Abstract:
To provide a tool steel having high thermal conductivity at room temperature.
A tool steel has a thermal conductivity of more than 42 W/mK at room temperature and contains 0.26 to 0.55 wt.% of C, <2 wt.% of Cr, 0 to 10 wt.% of Mo, 0 to 15 wt.% of W, the total amount of W and Mo of 1.8 to 15 wt.%, the content of 0 to 3 wt.% as single or total of carbide forming elements Ti, Zr, Hf, Nb, Ta, 0 to 4 wt.% of V, 0 to 6 wt.% of Co, 0 to 1.6 wt.% of Si, 0 to 2 wt.% of Mn, 0 to 2.99 wt.% of Ni, 0 to 1 wt.% of S and the balance Fe with inevitable impurities.
Inventors:
VALLS ANGLES ISSAC
Application Number:
JP2013268301A
Publication Date:
June 19, 2014
Filing Date:
December 26, 2013
Export Citation:
Assignee:
ROVALMA SA
International Classes:
C22C38/00; C22C38/60; B21D37/01; B21J13/02; B22D17/22
Domestic Patent References:
| JPH04147706A | 1992-05-21 | |||
| JPH0760314A | 1995-03-07 | |||
| JPH0890015A | 1996-04-09 | |||
| JP2003171733A | 2003-06-20 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Shinsuke Onuki
Tadahiko Ito
Shinsuke Onuki