A kind of high toughness stainless steel coffee pot material and preparation method thereof

A technology for stainless steel and coffee pots, which is applied in the field of high-toughness stainless steel coffee pot materials and its preparation, and can solve the problems of high cost of stainless steel and poor toughness of stainless steel

Active Publication Date: 2015-10-28
WANBAOLI STAINLESS STEEL PRODS DONGGUAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Through the comparative analysis of the above patents, it can be seen that the stainless steel in the prior art can not fully meet the current use and manufacturing requirements. The main problem is that the cost of stainless steel with high toughness also increases, and the toughness of low-cost stainless steel is generally poor. Therefore, it is necessary to develop a A high toughness and low cost stainless steel material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] A high toughness stainless steel coffee pot material, its chemical composition includes the following elements by weight: C: 0.006%, N: 0.005%, Si: 0.01%, Mn: 0.48%, Cr: 12%, Ni: 1.5%, Mo : 0.1%, V: 0.05%, Re: 0.08%, Nb: 0.08%, Ti: 0.08%, Y: 0.01%, and the balance is iron and impurities. In weight percentage, the total content of the impurities is ≤0.045%, wherein, P≤0.014%, S≤0.007%, H≤0.001%, O≤0.001%.

[0078] A preparation method for a high-toughness stainless steel coffee pot material, comprising the steps of:

[0079] A. Smelting: Smelting the high-toughness stainless steel coffee pot material with the above ratio through electric furnace EF, hydrogen-oxygen decarburization furnace AOD and vacuum oxygen refining furnace VOD in sequence to obtain molten steel;

[0080] B. Continuous casting: The molten steel obtained in step A is continuously cast into a continuous casting slab under stirring conditions, and the continuous casting slab is slowly cooled at a rate o...

Embodiment 2

[0091]A high toughness stainless steel coffee pot material, its chemical composition includes the following elements by weight: C: 0.007%, N: 0.004%, Si: 0.02%, Mn: 0.4%, Cr: 13%, Ni: 1.2%, Mo : 0.2%, V: 0.1%, Re: 0.07%, Nb: 0.03%, Ti: 0.09%, and the balance is iron and impurities. In weight percentage, the total content of the impurities is ≤0.033%, wherein, P≤0.013%, S≤0.006%, H≤0.002%, O≤0.001%.

[0092] A preparation method for a high-toughness stainless steel coffee pot material, comprising the steps of:

[0093] A. Smelting: Smelting the high-toughness stainless steel coffee pot material with the above ratio through electric furnace EF, hydrogen-oxygen decarburization furnace AOD and vacuum oxygen refining furnace VOD in sequence to obtain molten steel;

[0094] B. Continuous casting: The molten steel obtained in step A is continuously cast into a continuous casting slab under stirring conditions, and the continuous casting slab is slowly cooled at a rate of 21°C / h, and...

Embodiment 3

[0104] A high toughness stainless steel coffee pot material, its chemical composition includes the following elements by weight: C: 0.008%, N: 0.003%, Si: 0.03%, Mn: 0.3%, Cr: 14%, Ni: 1%, Mo : 0.3%, V: 0.15%, Re: 0.05%, Nb: 0.05%, Ti: 0.1%, Y: 0.03%, and the balance is iron and impurities. In weight percentage, the total content of the impurities is ≤0.036%, wherein, P≤0.012%, S≤0.005%, H≤0.002%, O≤0.001%.

[0105] A preparation method for a high-toughness stainless steel coffee pot material, comprising the steps of:

[0106] A. Smelting: Smelting the high-toughness stainless steel coffee pot material with the above ratio through electric furnace EF, hydrogen-oxygen decarburization furnace AOD and vacuum oxygen refining furnace VOD in sequence to obtain molten steel;

[0107] B. Continuous casting: The molten steel obtained in step A is continuously cast into a continuous casting slab under stirring conditions, and the continuous casting slab is slowly cooled at a rate of 23...

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Abstract

The invention relates to the technical field of coffee pot materials, in particular to a high-toughness stainless steel coffee pot material and a preparation method thereof. The chemical composition of the material includes the following elements by weight percentage: C: 0.006-0.01%, N: 0.001-0.005%, Si: 0.01~0.05%, Mn: 0.1~0.5%, Cr: 12~16%, Ni: 0.5~1.5%, Mo: 0.1~0.5%, V: 0.05~0.25%, Re: 0.02~0.08%, Nb : 0.02~0.08%, Ti: 0.08~0.12%, the balance is iron and impurities. In the present invention, by strictly controlling the content of each element, the material has high impact toughness and fracture toughness, low production cost, and also has high strength, hardness, wear resistance, heat resistance and corrosion resistance. Excellent performance.

Description

technical field [0001] The invention relates to the technical field of coffee pot materials, in particular to a high-toughness stainless steel coffee pot material and a preparation method thereof. Background technique [0002] A coffee pot is a device for brewing coffee. With the improvement of people's living standards, the scope of use of coffee pots is becoming wider and wider, and there are more and more types of coffee pots, including stainless steel coffee pots, plastic coffee pots, and glass coffee pots. Stainless steel coffee pots are the main sales types in the market due to their high strength, toughness, wear resistance, heat resistance and corrosion resistance. [0003] Due to the special use environment of coffee pots, stainless steel coffee pots need to be made of stainless steel materials with high toughness, and there are more and more researches on high toughness stainless steel materials. [0004] The application number is 201110363876.9 Chinese invention...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/50
Inventor 焦德宏
Owner WANBAOLI STAINLESS STEEL PRODS DONGGUAN
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