Special annular standard sample for quantitative carbon and sulfur analysis and manufacturing process of special annular standard sample

A circular and standard sample technology, applied in the field of metallurgical analysis, can solve the problems of slow processing speed, high cost, easy pollution, etc., and achieve the effect of improving detection speed, short processing process and ensuring uniformity

Inactive Publication Date: 2015-03-25
山东省冶金科学研究院有限公司
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Problems solved by technology

At present, the special standard samples for carbon and sulfur in China are still mainly in the form of crumbs. The characteristics of crumb-shaped standard samples are that they are widely used, but the processing speed of the samples is slow, easy to pollute, consumes a lot of manpower, and the cost is high. The speed is also slow, and it is difficult to adapt to the needs of modern mass production

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  • Special annular standard sample for quantitative carbon and sulfur analysis and manufacturing process of special annular standard sample
  • Special annular standard sample for quantitative carbon and sulfur analysis and manufacturing process of special annular standard sample
  • Special annular standard sample for quantitative carbon and sulfur analysis and manufacturing process of special annular standard sample

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Embodiment Construction

[0028] In order to better understand the present invention, the content of the present invention is further illustrated below in conjunction with the examples, but the content of the present invention is not limited to the following examples, and the examples should not be regarded as limiting the protection scope of the present invention.

[0029] The manufacturing method of the special standard sample for annular quantitative carbon and sulfur analysis adopts the following steps:

[0030] a. Composition design C 0.10%~0.75%; S 0.010%~0.035%;

[0031] b. Preparation method When preparing, the uniformity of the composition should be ensured firstly, and the second is to ensure that the content of C and S elements meets the design requirements, and the inclusions in the alloy steel should be reduced as much as possible. For this reason, when selecting raw materials (wire rods), attention should be paid to raw materials that are compatible with the composition. After removing sc...

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Abstract

The invention discloses a special annular standard sample for quantitative carbon and sulfur analysis and a manufacturing process of the special annular standard sample and belongs to the technical field of metallurgical analysis. The special annular standard sample for quantitative carbon and sulfur analysis is a steel material or cast iron or pig iron comprising the following chemical components of, by weight, 0.10% to 0.75% of C and 0.010% to 0.035% of S. The special annular standard sample for quantitative carbon and sulfur analysis is annular. A traditional special chip-shaped standard sample for carbon and sulfur analysis is changed into the special annular standard sample for carbon and sulfur analysis, and the special annular standard sample for quantitative carbon and sulfur analysis is short in machining process, not prone to pollution and capable of guaranteeing evenness, so that the quality of the standard sample is guaranteed, and the detection speed is increased.

Description

technical field [0001] The invention relates to a ring-shaped standard sample specially used for quantitative carbon and sulfur analysis and a manufacturing process thereof, belonging to the technical field of metallurgical analysis. Background technique [0002] With the continuous improvement of my country's analysis technology and the modernization of analysis and testing instruments, higher requirements are put forward for standard samples that can be used for rapid and accurate composition analysis, especially carbon and sulfur elements are important indicators that must be tested for various materials. The carbon and sulfur content of different materials is quite different, and it must be accurately analyzed and quantified. At present, the commonly used analysis method is the infrared absorption method after combustion of the high-frequency induction furnace. The infrared absorption method has the advantages of fast, accurate and low cost, and is one of the preferred t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
Inventor 谭林青
Owner 山东省冶金科学研究院有限公司
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