Hot-workable die steel, heat treatment method thereof, and hot-workable die
A hot-worked die steel with controlled alloying and simplified heat treatment ensures high thermal conductivity, hardness, and toughness by refining carbides and intermetallic precipitates, addressing the limitations of existing technologies.
JP7870419B2Active Publication Date: 2026-06-05EASYFORMING TECHNOLOGY CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- EASYFORMING TECHNOLOGY CO LTD
- Filing Date
- 2019-10-18
- Publication Date
- 2026-06-05
Smart Images
Figure 0007870419000009 
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Abstract
The present invention relates to a hot-work die steel, a heat treatment method therefor, and a hot-work die. Specifically, the present invention discloses a hot-work die steel having an alloying composition, in weight percent, of 2% to 8% Cu, 0.8% to 6% Ni, with Ni:Cu≧0.4, 0% to 0.2% C, 0% to 3% Mo, 0% to 3% W, 0% to 0.2% Nb, 0% to 0.8% Mn, 0% to 1% Cr, with the balance being Fe and other alloying elements and impurities. The present invention also discloses a heat treatment method for the hot-work die steel. The present invention further discloses a hot-work die formed from the hot-work die steel heat-treated according to the heat treatment method.
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