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Stainless steel for food processing

A food processing and stainless steel technology, applied in the field of iron and steel metallurgy, can solve the problems of stainless steel performance decline, reduce welding performance, weaken corrosion resistance, etc. The effect of high temperature corrosion ability

Inactive Publication Date: 2014-05-14
WUXI CHENGBO SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of nickel-saving stainless steel has a high manganese content, and the high manganese content weakens the corrosion resistance of the steel, reduces the welding performance, and reduces the performance of the stainless steel, which is greatly restricted in practice, especially in the requirements High corrosion resistance for the food processing industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A stainless steel for food processing. The chemical composition of the stainless steel consists of the following components in weight percentage: C: 0.02, Mn: 1.5, Si: 2.2, S: ≤0.015, P: ≤0.010, Ni: 7.5, Cr: 13.0, Mo: 1.4, N: 0.10, Al: 0.20, Cu: 0.2, and the balance is Fe and unavoidable impurities.

Embodiment 2

[0019] A stainless steel for food processing. The chemical composition of the stainless steel consists of the following components in weight percentage: C: 0.04, Mn: 1.3, Si: 2.4, S: ≤0.015, P: ≤0.010, Ni: 6.5, Cr: 14.0, Mo: 1.2, N: 0.30, Al: 0.10, Cu: 0.4, and the balance is Fe and unavoidable impurities.

Embodiment 3

[0021] A stainless steel for food processing, the chemical composition of the stainless steel consists of the following components in weight percentage: C: 0.025, Mn: 1.45, Si: 2.25, S: ≤0.015, P: ≤0.010, Ni: 7.2, Cr: 13.3, Mo: 1.35, N: 0.15, Al: 0.17, Cu: 0.25, the balance is Fe and unavoidable impurities.

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Abstract

The invention discloses stainless steel for food processing. The chemical composition of the stainless steel consists of the following components in percentage by weight: 0.02-0.04% of C, 1.3-1.5% of Mn, 2.2-2.4% of Si, less than or equal to 0.015% of S, less than or equal to 0.010% of P, 6.5-7.5% of Ni, 13.0-14.0% of Cr, 1.2-1.4% of Mo, 0.10-0.30% of N, 0.10-0.20% of Al, 0.2-0.4% of Cu and the balance of Fe and unavoidable impurities.

Description

technical field [0001] The invention relates to the technical field of iron and steel metallurgy, in particular to a stainless steel for food processing. Background technique [0002] With the continuous development of my country's economy and the continuous improvement of people's living standards, stainless steel products are increasingly favored by people. Among them, austenitic stainless steel is widely used in hardware products and architectural decoration industries, structural parts of buildings and stainless steel connectors of glass curtain walls because of its good performance such as good corrosion resistance, beautiful appearance and easy processing and forming. [0003] Among austenitic stainless steels, the more typical steel grades are 304, 304L, 316, 316L, etc. 304 series stainless steels are widely used in household products, auto parts, medical appliances, building materials, chemicals, food industry, agriculture and ship parts, etc. ; 316 series are widel...

Claims

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Application Information

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IPC IPC(8): C22C38/44
Inventor 李飞
Owner WUXI CHENGBO SCI & TECH DEV
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