Method for improving performance of high-carbon high-chromium wear-resistant and corrosion-resistant material

A corrosion-resistant material, high-carbon and high-chromium technology, applied in the field of performance improvement of high-carbon and high-chromium wear-resistant and corrosion-resistant materials, can solve the problems of inability to meet wear and corrosion resistance, short service life, etc., to meet the requirements of environmental use, improve Mechanical properties, the effect of eliminating splitting

Pending Publication Date: 2022-01-21
鹰普(中国)有限公司
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Problems solved by technology

[0008] In order to solve the problem that the existing material castings cannot meet the wear-resistant and corrosion-resistant environment and the service life is short, the present invention provides a method for improving the performance of high-carbon, high-chromium wear-resistant and corrosion-resistant materials, which can effectively improve the mechanical properties of castings and meet the requirements of The use requirements of wear resistance and corrosion resistance improve the service life of the product

Method used

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  • Method for improving performance of high-carbon high-chromium wear-resistant and corrosion-resistant material
  • Method for improving performance of high-carbon high-chromium wear-resistant and corrosion-resistant material
  • Method for improving performance of high-carbon high-chromium wear-resistant and corrosion-resistant material

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Embodiment Construction

[0014] See figure 2 As shown, a method for improving the performance of high-carbon and high-chromium wear-resistant and corrosion-resistant materials, its chemical composition: C is 1.0-1.4, Si is 1.8-2.1, Mn is 1.0-1.6, P≤0.06, S is 0.20-0.32, Cr is 33.0-35.0, Mo is 2.0-2.5, Ni≤0.50, and the sulfide in the casting adopts approximately spherical agglomerates to eliminate the splitting of the casting matrix by the sulfide. Controlling the Mn content at 1.0-1.6% and controlling the sulfur content at 0.2-0.32% realizes the morphological change of sulfide in the casting structure.

[0015] The testing data of the mechanical properties of the castings are as follows:

[0016]

[0017] Compared with the existing ones, the tensile strength exceeds the standard by nearly 100MPa, and the hardness is further increased, which reduces the risk of brittle cracking of parts during use and improves the service life of parts. Metallographic testing such as figure 2 shown.

[0018] T...

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Abstract

The invention relates to the technical field of ferritic stainless steel materials, in particular to a method for improving the performance of a high-carbon high-chromium wear-resistant and corrosion-resistant material. the mechanical performance of a casting can be effectively improved, the use requirements of wear resistance and corrosion resistance can be met, and the service life of a product is prolonged. The high-carbon high-chromium wear-resistant and corrosion-resistant material is prepared from the chemical components of 1.0-1.4 parts of C, 1.8-2.1 parts of Si, 1.0-1.6 parts of Mn, less than or equal to 0.06 part of P, 0.20-0.32 part of S, 33.0-35.0 parts of Cr, 2.0-2.5 parts of Mo and less than or equal to 0.50 part of Ni; the situation that sulfide in the casting is in a block shape is achieved.

Description

technical field [0001] The invention relates to the technical field of ferritic stainless steel materials, in particular to a method for improving the performance of high-carbon, high-chromium wear-resistant and corrosion-resistant materials. Background technique [0002] High carbon, high chromium, high sulfur ferritic stainless steel materials, the structure is ferrite matrix, high hardness [Fe, Cr] C compound and sulfide, generally need to have high hardness, strength, excellent wear resistance, Corrosion resistance. At the same time, due to the high sulfur content, good sulfide morphology can improve cutting performance and mechanical properties. There is a high-carbon high-chromium wear-resistant and corrosion-resistant material whose chemical composition is: [0003] [0004] Castings made of this material, due to the diffuse distribution of sulfide in the part structure, severely split the matrix structure, such as figure 1 As shown in the metallographic diagram...

Claims

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Application Information

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IPC IPC(8): C22C38/04C22C38/22C22C38/34C22C38/38C22C38/44C22C38/58C22C38/60
CPCC22C38/34C22C38/38C22C38/04C22C38/002C22C38/60C22C38/22C22C38/58C22C38/44
Inventor 杨渭鹏班景江张永解植达张圣兰
Owner 鹰普(中国)有限公司
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