An economical wear-resistant and corrosion-resistant iron container and its preparation method

Abstract

The invention discloses an economical wear and corrosion resisting iron container. The economical wear and corrosion resisting iron container consists of a low-carbon steel plate basal body, a nitriding layer on the low-carbon steel plate basal body, and an oxidation layer on the nitriding layer. A preparation method comprises the following preparation steps: firstly, the low-carbon steel plate basal body is machined to a workpiece with a needed container shape; the workpiece is polished and cleaned for nitriding; NH3 gas is introduced for heating to form a compound layer with main components of Fe and N; when the compound layer is naturally cooled to 200 DEG C or below, the workpiece is taken out; the workpiece is oxidized; and the workpiece is taken out for cleaning and drying. The economical wear and corrosion resisting iron container is excellent in corrosion and wear resistance, and greatly prolongs the service life; the cost of the economical wear and corrosion resisting iron container is lower than the cost of a container made of a stainless steel material; the economical wear and corrosion resisting iron container is higher in use temperature, contains no substances harmful to human bodies, and can be applied to such aspects as kitchen ware and food tanks; and the alloy elements for facilitating nitriding are added, and are combined with process for accelerating nitriding, so that the nitriding time is shortened, and the steel plate carbon content and the impurity content are low.

Description

technical field [0001] The invention relates to a steel for containers and a preparation method thereof, in particular to a wear-resistant and corrosion-resistant iron container and a preparation method thereof. Background technique [0002] Iron containers are cheap and can be in direct contact with food. They are widely used in industry and daily life, such as storage tanks and pots. However, the biggest problem with iron containers is that they are easy to rust and wear. Coating, plating or enamel on the surface of iron containers can effectively solve the problem of corrosion or wear, but organic coatings are not resistant to high temperatures, and there are hazards of toxic substance release. Thick and heavy, resulting in a significant increase in the weight of the container, which is inconvenient to use. [0003] At present, nitriding is a low-cost method that can solve the problem of corrosion resistance and wear resistance. It has achieved good results in the surfac...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing iron containers are easy to rust and wear, and to provide an economical wear-resistant and corrosion-resistant iron container with excellent corrosion resistance and wear resistance and low production cost and its preparation method

Images