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Hot working die

A technology of hot work molds and rare earths, which is applied in the field of hot work molds, can solve problems such as poor fatigue resistance, insufficient heat resistance, mold cracks, etc., achieve scientific and reasonable composition ratio, reduce production costs, and fatigue resistance Good results

Inactive Publication Date: 2014-08-06
KUNSHAN LTK AUTOMATION EQUIP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Hot work die steel has good thermal fatigue resistance and thermal stability. The working conditions of hot work die steel are relatively simple and complicated. When the service temperature exceeds 600°C, the original excellent performance will be lost due to insufficient heat resistance. Hot steel has poor toughness and poor fatigue resistance, and the mold often cracks and fails early, which greatly increases the production cost and cannot meet the needs of enterprises.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A hot work mold, comprising the following components by weight:

[0021] Carbon 0.15 parts;

[0022] Oxygen 0.03 parts;

[0023] Rare earth 0.3 part;

[0024] Calcium 0.06 parts;

[0025] Aluminum 0.1 part;

[0026] Cesium 0.04 parts;

[0027] Phosphorus 0.4 parts;

[0028] Potassium 0.25 part;

[0029] Iron 95 parts.

Embodiment 2

[0031] A hot work mold, comprising the following components by weight:

[0032] Carbon 0.23 parts;

[0033] Oxygen 0.056 parts;

[0034] Rare earth 0.4 part;

[0035] Calcium 0.1 parts;

[0036] Aluminum 0.25 parts;

[0037] Cesium 0.32 parts;

[0038] Phosphorus 0.6 part;

[0039] Potassium 0.3 part;

[0040] Vanadium 0.5 part;

[0041] Iron 97 parts.

Embodiment 3

[0043] A hot work mold, comprising the following components by weight:

[0044] Carbon 0.36 parts;

[0045] Oxygen 0.08 part;

[0046] 0.45 parts of rare earth;

[0047] Calcium 0.18 parts;

[0048] Aluminum 0.5 parts;

[0049] Cesium 0.67 parts;

[0050] Phosphorus 0.8 part;

[0051] Potassium 0.36 parts;

[0052] Vanadium 0.8 part;

[0053] 98 servings of iron.

[0054] The invention has the advantages that the composition ratio of the mold steel is scientific and reasonable, the heat resistance is good, no cracking occurs after long-term use, the fatigue resistance is good, the production cost is greatly reduced, and the needs of enterprises are met.

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Abstract

The invention provides a hot working die which comprises components in parts by weight as follows: 0.15-0.36 parts of carbon, 0.03-0.08 parts of oxygen, 0.3-0.45 parts of rare earth, 0.06-0.18 parts of calcium, 0.1-0.5 parts of aluminum, 0.04-0.67 parts of cesium, 0.4-0.8 parts of phosphorus, 0.25-0.36 parts of potassium and 95-98 parts of iron. The hot working die has the advantages as follows: the composition proportion of die steel is scientific and reasonable, the heat resistant effect is good, cracking is avoided after long-term use, the anti-fatigue performance is good, the production cost is reduced greatly, and requirements of enterprises are met.

Description

technical field [0001] The invention relates to a hot working mold. Background technique [0002] Hot work die steel has good thermal fatigue resistance and thermal stability. The working conditions of hot work die steel are relatively simple and complicated. When the service temperature exceeds 600°C, the original excellent performance will be lost due to insufficient heat resistance. Hot steel has poor toughness and poor fatigue resistance, and molds often crack and fail early, which greatly increases production costs and cannot meet the needs of enterprises. [0003] Therefore, in order to solve the above problems, a new technical solution is provided. Contents of the invention [0004] The invention provides a hot working mold. [0005] The technical scheme adopted in the present invention is: [0006] A hot work mold, comprising the following components by weight: [0007] Carbon 0.15-0.36 parts; [0008] Oxygen 0.03-0.08 part; [0009] 0.3-0.45 parts of rare ea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/06C22C38/12
Inventor 不公告发明人
Owner KUNSHAN LTK AUTOMATION EQUIP TECH
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