Ultrahigh thermal conductivity wear-resistant hot stamping die steel and manufacturing method thereof

A hot stamping die, ultra-high heat technology, applied in the field of ultra-high thermal conductivity wear-resistant hot stamping die steel materials and its preparation, can solve problems such as increasing costs
CN103993223AInactive Publication Date: 2014-08-20SHANGHAI UNIV +1
8 Cites 31 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI UNIV
Publication Date
2014-08-20
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

Belonging to the technical field of alloy steel preparation processes, the invention relates to an ultrahigh thermal conductivity wear-resistant hot stamping die steel and a manufacturing method thereof. Current hot stamping die steel on the market is mainly various improved H13, H11 and other high alloy hot work die steel. The steel provided by the invention comprises the following components by mass percent: 0.33-0.40% of C; less than 0.30% of Si; less than 0.30% of Mn; 1.0-2.0% of W; 4.0-5.0% of Mo; less than 0.30% of Cr; 0.10-0.20% of V; and the balance Fe and inevitable impurities. And in the impurity elements, S is smaller than or equal to 0.01%; P is smaller than or equal to 0.01%; and O is smaller than or equal to 30ppm. The steel is characterized in that: simple C, Mo and W are adopted as the main elements to coordinate the ratio of carbides; low Mn, low Cr and low Si content are maintained; after electric furnace smelting, electroslag remelting, annealing, high temperature homogenization, forging and annealing, the material has good machining properties; and after heat treatment, the material has excellent impact toughness, tempering stability and thermal fatigue performance. With ultrahigh thermal conductivity, the steel can be more suitable for hot stamping.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to an ultra-high thermal conductivity wear-resistant hot stamping die steel material and a preparation method thereof, belonging to the technical field of alloy steel preparation technology. Background technique

[0002] The quality level of die steel is often an objective measure of a country's manufacturing level. According to different service conditions, the industry roughly divides mold steel into three categories: hot work mold steel, cold work mold steel and plastic mold steel. With the rapid development of the modern automobile industry, the demand for automobiles around the world is also rising. Around how to improve the efficiency and cost of automobile production, material workers continue to improve the production and processing technology of parts. In the previous production process, the cold stamping process was often used. When obtaining ultra-high-strength steel, the forming force required by the cold stamping p...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More