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Thin-walled antibacterial stainless steel product and preparation method thereof

A technology of antibacterial stainless steel and stainless steel, applied in botany equipment and methods, chemicals for biological control, fungicides, etc., can solve the problems of limited application fields, no medical antibacterial stainless steel pipes and fittings, etc., to achieve excellent antibacterial performance effect

Inactive Publication Date: 2020-10-13
SHANDONG JINLITE PIPE IND
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Problems solved by technology

[0002] Antibacterial stainless steel is a new type of structural / functional integrated material developed in recent years. After adding antibacterial elements to traditional stainless steel materials and undergoing special heat treatment, it is safe, non-toxic, broad-spectrum antibacterial and bactericidal, long-lasting antibacterial, and does not produce With advantages such as drug resistance, it is the best material for water supply and gas supply pipelines of medical and pharmaceutical enterprises. Its technology is reliable, its products are advanced, its market is broad, and it has huge economic and social benefits in the industry. A manufacturer of overall solutions for stainless steel pipes and fittings, thus limiting its application fields

Method used

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  • Thin-walled antibacterial stainless steel product and preparation method thereof

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Embodiment Construction

[0014] Below in conjunction with embodiment the present invention will be further described.

[0015] Table 1 is the chemical composition of the stainless steel pipes and fittings of Examples 1-4, and Table 2 is the test results of sterilization, mechanical properties and corrosion resistance of the stainless steel pipes and fittings of Examples 1-4.

[0016] The preparation method of Examples 1-4 of the present invention is as follows: the corresponding raw materials are mixed and smelted to make a stainless steel blank, and then solidified at 1050°C for 0.5h, then rapidly cooled to room temperature, and then heated to 700°C for 6h. , slowly cooled to room temperature.

[0017] The chemical composition (%) of table 1 embodiment 1-4 stainless steel pipe and fittings

[0018] Grade C Si mn P S Ni Cr Mo Cu Example 1 06Cr19Ni10Cu4 ≤0.08 ≤0.75 ≤2.00 ≤0.04 ≤0.03 10 19 - 4 Example 2 022Cr19Ni10Cu4 ≤0.03 ≤0.75 ≤2.00 ≤0.04 ≤0.03 1...

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Abstract

The invention belongs to the technical field of stainless steel materials, and particularly relates to a thin-walled antibacterial stainless steel product and a preparation method thereof. Chemical components of the thin-walled antibacterial stainless steel product comprise, by mass percent, not larger than 0.08% of C, not larger than 0.75% of Si, not larger than 2.0% of Mn, not larger than 0.04%of P, not larger than 0.03% of S, 8.0%-14.0% of Ni, 16.0%-20.0% of Cr, 3.5%-4.5% of antibacterial metal elements and the balance Fe and inevitable impurities. The preparation method comprises the steps that after raw materials are mixed and smelted, a stainless steel primary blank is made, and then solid solution heat treatment is carried out. The antibacterial metal elements are added in stainless steel, so that the antibacterial metal elements are evenly and dispersedly separated out in a stainless steel matrix with a certain size and form, and excellent antibacterial performance is given tothe stainless steel under the condition that the mechanical property and corrosion resistance of common stainless steel are not reduced.

Description

technical field [0001] The invention belongs to the technical field of stainless steel materials, and in particular relates to a thin-wall antibacterial stainless steel product and a preparation method thereof. Background technique [0002] Antibacterial stainless steel is a new type of structural / functional integrated material developed in recent years. After adding antibacterial elements to traditional stainless steel materials and undergoing special heat treatment, it is safe, non-toxic, broad-spectrum antibacterial and bactericidal, long-lasting antibacterial, and does not produce With advantages such as drug resistance, it is the best material for water supply and gas supply pipelines of medical and pharmaceutical enterprises. Its technology is reliable, its products are advanced, its market is broad, and it has huge economic and social benefits in the industry. The manufacturer of the overall solution of stainless steel pipes and pipe fittings, thus limiting its applic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/02C22C38/04C22C38/42C22C38/44C22C38/58C21D1/18A01N59/16A01N59/00A01P1/00A01P3/00
CPCA01N59/00A01N59/16C21D1/18C22C38/002C22C38/007C22C38/02C22C38/04C22C38/42C22C38/44C22C38/58
Inventor 李京朋刘永革张海燕王峰梅林立群国建刘曙光
Owner SHANDONG JINLITE PIPE IND
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