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Preparation method of standard sample for spectral analysis of 400 series stainless steel, and standard sample

A standard sample and spectral analysis technology, which is used in the preparation of standard samples and standard samples for spectral analysis of 400 series stainless steel, and can solve the problems of high sample control manufacturing cost, high steel inclusion content, and low cleanliness.

Active Publication Date: 2018-12-18
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above-mentioned traditional technology has the following disadvantages: high content of steel inclusions, low cleanliness; poor uniformity, small batches, and high manufacturing costs for sample control

Method used

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  • Preparation method of standard sample for spectral analysis of 400 series stainless steel, and standard sample
  • Preparation method of standard sample for spectral analysis of 400 series stainless steel, and standard sample
  • Preparation method of standard sample for spectral analysis of 400 series stainless steel, and standard sample

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Embodiment 1

[0094] The following describes a method for preparing a standard sample for spectral analysis of 400 series stainless steel SUS436L according to an embodiment of the present invention and a standard sample for spectral analysis of SUS436L prepared according to the preparation method.

[0095] In one embodiment, the method for preparing a standard sample for spectral analysis of 400 series stainless steel SUS436L includes the following steps.

[0096] (1) Chemical composition design steps

[0097] When designing the content of the standard sample for SUS436L spectral analysis, refer to the composition range of 019Cr18MoTi (S11862) in GB / T 20878-2007 "Stainless Steel and Heat-resistant Steel Grades and Chemical Composition", design the chemical composition of the standard sample, see Table 1.

[0098] (2) Reclaiming step

[0099] Select the continuous casting slab raw material whose smelting composition meets the chemical composition design requirements, and take a cuboid contin...

Embodiment 2

[0177] The following describes a method for preparing a standard sample for spectral analysis of 400 series stainless steel SUS444 according to an embodiment of the present invention and a standard sample for spectral analysis of SUS444 prepared according to the preparation method.

[0178] In one embodiment, the method for preparing a standard sample for spectral analysis of 400 series stainless steel SUS444 includes the following steps.

[0179] 1. Chemical composition design steps

[0180] When designing the content of the standard sample for SUS444 spectral analysis, the chemical composition was designed with reference to the composition range of 019Cr19Mo2NbTi (S11972) in GB / T 20878-2007 "Stainless Steel and Heat-resistant Steel Grades and Chemical Composition", see Table 7.

[0181] (2) Reclaiming step

[0182] Select the continuous casting slab raw material whose smelting composition meets the chemical composition design requirements, and take a cuboid continuous casti...

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Abstract

The invention discloses a preparation method of a standard sample for spectral analysis of 400 series stainless steel. The method comprises the following steps: a chemical component design step; a material extraction step; a physical detection and segregation inspection step; a continuous casting blank cutting; a sample thermal processing and forging step; a uniformity initial inspection step; anda sample preparation step. The invention further discloses a standard sample prepared according to the preparation method of the standard sample for the spectral analysis of the 400 series stainlesssteel. By adoption of the preparation method disclosed by the invention, it is ensured that the raw material used by the standard sample for the spectral analysis of the 400 series stainless steel islow in foreign matters, high in cleanness and good in component uniformity, the tissue compactness, fine grain, large batch and stable quality of the spectral standard sample are controlled by the thermal processing technology, and the requirements of various quality analysis control in the modern steel industry on the spectral standard sample are met.

Description

technical field [0001] The invention relates to the technical field of chemical analysis of metallurgical samples, in particular to a method for preparing a standard sample for spectral analysis of 400 series stainless steel and the standard sample prepared by the preparation method. Background technique [0002] Stainless steel is a kind of high-quality steel. It is not only corrosion-resistant and wear-resistant, but also has a beautiful appearance, and the scrap steel of stainless steel can be recycled 100% without polluting the environment. Therefore, it is a new type of green environmental protection material. Moreover, in some special occasions, replacing ordinary carbon steel with stainless steel can greatly increase the service life of components. [0003] Due to its good chemical stability, corrosion resistance, wear resistance and other excellent properties, stainless steel is widely used in vehicles, machinery, construction, medical treatment, shipbuilding, aerosp...

Claims

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Application Information

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IPC IPC(8): G01N1/28C22C38/02C22C38/04C22C38/44C22C38/50C22C38/48
CPCC22C38/001C22C38/002C22C38/02C22C38/04C22C38/44C22C38/48C22C38/50G01N1/286
Inventor 刘爱坤曹吉祥任维萍郭燕青乌静张瑜
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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