Iron element control method for martensitic stainless steel 2Cr13 blade
A martensitic stainless steel, control method technology, applied in the direction of manufacturing tools, furnace types, furnaces, etc., can solve problems such as failure to achieve product accuracy, method of controlling chemical content, cumbersome operation, failure to form component content standards, etc.
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[0058] A ferrite control method for a martensitic stainless steel 2Cr13 blade of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0059] combined with Figure 1-2 , the working principle of the present invention:
[0060] The present invention mainly controls the smelting and pouring process of step 4 and the heat treatment process of step 10 in the standard process of investment casting, and the preconditions of ferrite content control ensure the control requirements of chemical composition and mechanical properties, and its various requirements complement and complement each other. associated.
[0061] The formation mechanism of each organization is as follows:
[0062]Martensite is formed by rapid cooling and quenching of austenite. The difference between austenite and martensite is that martensite is a supersaturated solid solution of carbon in α-Fe, with a body-centered cubic structure; austenite has a face-c
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