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Acid salt corrosion resisting stainless steel and application thereof

A technology for corrosion of stainless steel and salt, applied in the field of stainless steel products, can solve problems such as poor mechanical properties and limited applicability, and achieve the effects of long service life, wide application fields, and broad-spectrum antibacterial and bacteriostatic properties.

Inactive Publication Date: 2018-12-18
合肥久新不锈钢厨具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of stainless steel has good antibacterial properties and corrosion resistance, but its mechanical properties are poor, and its applicability is limited.

Method used

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  • Acid salt corrosion resisting stainless steel and application thereof
  • Acid salt corrosion resisting stainless steel and application thereof
  • Acid salt corrosion resisting stainless steel and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] This embodiment relates to a preparation method of salt-resistant corrosion-resistant stainless steel, which is generally carried out according to the following steps:

[0063] Step 1: batching according to the mass percentage of the stainless steel composition in the above table 1;

[0064] Step 2: fully melting the ingredients containing C, B, Cr, Si and Fe to obtain melt I;

[0065] Fully melt the ingredients containing Zn, Al, Li, Sr, and Te to obtain melt II;

[0066] Add the ingredients containing Sc and Ta into the melt I, heat and melt fully to obtain the melt III;

[0067] Add melt II to melt III, stir and mix to obtain molten steel;

[0068] Step 3: Transfer the molten steel to the LF furnace again, add a refining agent equivalent to 1.60% of the molten steel mass, refine it at a temperature of 1620°C for 120 minutes, and then vacuum degas it in a VD vacuum degassing furnace for 30 minutes;

[0069]The above-mentioned refining agent is obtained by combining...

Embodiment 2

[0074] This embodiment relates to a preparation method of salt-resistant corrosion-resistant stainless steel, which is generally carried out according to the following steps:

[0075] Step 1: batching according to the mass percentage of the stainless steel composition in the above table 1;

[0076] Step 2: fully melting the ingredients containing C, B, Cr, Si and Fe to obtain melt I;

[0077] Fully melt the ingredients containing Zn, Al, Li, Sr, and Te to obtain melt II;

[0078] Add the ingredients containing Sc and Ta into the melt I, heat and melt fully to obtain the melt III;

[0079] Add melt II to melt III, stir and mix to obtain molten steel;

[0080] Step 3: Transfer the molten steel to the LF furnace again, add a refining agent equivalent to 1.70% of the molten steel mass, refine at a temperature of 1630°C for 110 minutes, and then vacuum degas in a VD vacuum degassing furnace for 32 minutes;

[0081] The above-mentioned refining agent is obtained by combining calc...

Embodiment 3

[0086] This embodiment relates to a preparation method of salt-resistant corrosion-resistant stainless steel, which is generally carried out according to the following steps:

[0087] Step 1: batching according to the mass percentage of the stainless steel composition in the above table 1;

[0088] Step 2: fully melting the ingredients containing C, B, Cr, Si and Fe to obtain melt I;

[0089] Fully melt the ingredients containing Zn, Al, Li, Sr, and Te to obtain melt II;

[0090] Add the ingredients containing Sc and Ta into the melt I, heat and melt fully to obtain the melt III;

[0091] Add melt II to melt III, stir and mix to obtain molten steel;

[0092] Step 3: Transfer the molten steel to the LF furnace again, add a refining agent equivalent to 1.80% of the molten steel mass, refine it at a temperature of 1640°C for 100 minutes, and then vacuum degas it in a VD vacuum degassing furnace for 34 minutes;

[0093] The above-mentioned refining agent is obtained by combinin...

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Abstract

The invention discloses acid salt corrosion resisting stainless steel and an application thereof and relates to the technical field of stainless steel products. The stainless steel comprises components including, by weight percent, 0.08%-0.10% of C, 0.02%-0.03% of Sc, 1.24%-1.52% of Zn, 0.001%-0.003% of B, 0.03%-0.04% of Li, 0.15%-0.18% of Ta, 8.72%-9.64% of Cr, 0.03%-0.04% of Sr, 0.19%-0.21% of Si, 0.01%-0.02% of Te, 3.32%-4.85% of Al and the balance Fe. The stainless steel has efficient and broad-spectrum bacteria resisting and restraining performance and is excellent in mechanical and physical performance, resistant to acid salt corrosion, long in service life and wide in application field.

Description

technical field [0001] The invention relates to the technical field of stainless steel products, in particular to a salt corrosion resistant stainless steel and its application. Background technique [0002] With the development of the economy and the improvement of people's living standards, people's awareness of hygiene and health has gradually strengthened, and they have paid more attention to the living environment and quality of life. There are relatively strict requirements for tableware and kitchenware that are directly related to human food hygiene and safety, and the market demand for antibacterial and antibacterial products is rapidly heating up. Due to the good mechanical strength, rigidity, corrosion resistance and aesthetics of stainless steel, stainless steel It has been widely used in the food industry, catering service industry and family life. At the same time, stainless steel with antibacterial and anti-mildew functions will also have broad market prospects...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/32C22C38/26C22C38/02C22C38/60C22C38/06C22C33/04C21D8/00C21C7/04C21C7/10
CPCC22C38/005C21C7/04C21C7/10C21D8/005C22C33/04C22C38/002C22C38/02C22C38/06C22C38/26C22C38/32C22C38/60
Inventor 辛松
Owner 合肥久新不锈钢厨具有限公司
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