CN113390798A - Method for analyzing carbon content in 82B steel sample with diameter of 10-14mm - Google Patents
Method for analyzing carbon content in 82B steel sample with diameter of 10-14mm Download PDFInfo
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- CN113390798A CN113390798A CN202110687501.1A CN202110687501A CN113390798A CN 113390798 A CN113390798 A CN 113390798A CN 202110687501 A CN202110687501 A CN 202110687501A CN 113390798 A CN113390798 A CN 113390798A
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- carbon
- carbon element
- photoelectric direct
- reading spectrometer
- steel sample
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 37
- 239000010959 steel Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004458 analytical method Methods 0.000 claims abstract description 28
- YQCIWBXEVYWRCW-UHFFFAOYSA-N methane;sulfane Chemical compound C.S YQCIWBXEVYWRCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052582 BN Inorganic materials 0.000 claims abstract description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000002474 experimental method Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 description 31
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a method for analyzing the content of carbon in an 82B steel sample with the diameter of 10-14mm, which comprises the following steps: 1. preparing columnar samples with different diameters of 10-14 mm; 2. before analyzing a 10-14mm 82B steel sample, fitting a carbon element photoelectric direct-reading spectrometer analysis curve by using a standard sample, a spark platen and a boron nitride sheet with corresponding specifications, and calculating a correlation coefficient of the fitting carbon element photoelectric direct-reading spectrometer analysis curve; 3. selecting standard samples with high, medium and low carbon element contents to verify the fitting analysis curve of the photoelectric direct-reading spectrometer for the carbon element; 4. carrying out a carbon content repeatability experiment on an 82B steel sample; 5. the carbon element components of the 82B steel sample are determined by using the same analysis method under the same conditions, and after the result of carbon analysis by the photoelectric direct-reading spectrometer is compared with the carbon components determined by using an infrared carbon-sulfur instrument, the accuracy of the comparison result is improved; 6. and analyzing the content of the carbon element in the steel sample produced by 82B by using a photoelectric direct-reading spectrometer.
Description
Belongs to the technical field of:
the invention relates to a method for analyzing the content of carbon in an 82B steel sample with the diameter of 10-14 mm.
Background art:
at present, because no steel standard sample with the diameter of 10-14mm exists in China, the analysis curve of a photoelectric direct-reading spectrometer cannot be fitted, and the carbon content in an 82B steel sample with the diameter of 10-14mm cannot be rapidly and accurately detected by the photoelectric direct-reading spectrometer. The time for measuring the carbon content in an 82B steel sample with the diameter of 10-14mm by using an infrared carbon-sulfur instrument is too long, so that the method is not suitable for the rapid steelmaking production rhythm.
The invention content is as follows:
the invention aims to provide a method for analyzing the content of carbon in an 82B steel sample with the diameter of 10-14mm, which can achieve the aims of quickly measuring the content of carbon and improving the production efficiency.
The object of the invention is achieved by a method for analyzing the carbon content in a sample of 82B steel with a diameter of 10-14mm, comprising the following steps: 1. the national standard samples with the numbers YSB S11193-2011, YSB S11179-99, technical letters 0102, YSB S11287-2000, YSB S20142-2005, GBW-E and 010244-82B: the diameter is 40-50mm, the height is 50-60mm, and the columnar samples with different specifications and the diameters of 10-14mm are processed by a wire cutting machine; 2. before analyzing a 10-14mm 82B steel sample, fitting a carbon element photoelectric direct-reading spectrometer analysis curve by using a standard sample, a spark platen and a boron nitride sheet with corresponding specifications, and calculating a correlation coefficient of the fitting carbon element photoelectric direct-reading spectrometer analysis curve; 3. selecting standard samples with high, medium and low carbon element contents to verify the fitting analysis curve of the photoelectric direct-reading spectrometer for the carbon element; 4. carrying out a carbon content repeatability experiment on an 82B steel sample; 5. the carbon element components of the 82B steel sample are determined by using the same analysis method under the same conditions, and after the result of carbon analysis by the photoelectric direct-reading spectrometer is compared with the carbon components determined by using an infrared carbon-sulfur instrument, the accuracy of the comparison result is improved; 6. and analyzing the content of the carbon element in the steel sample produced by 82B by using a photoelectric direct-reading spectrometer.
The method of the invention can make the types of samples analyzed by the photoelectric direct-reading spectrometer more diversified, and provides a new idea for analyzing the carbon content in the 82B steel sample with the diameter of 10-14 mm. The carbon element content of the 82B steel production sample with the diameter of 10-14mm analyzed by the photoelectric direct-reading spectrometer is compared with the carbon element content analyzed by the carbon sulfur instrument, and the carbon element content is within the reproducibility deviation range specified by the national standard, thereby meeting the requirement of detecting the carbon element content of the 82B steel production sample with the diameter of 10-14 mm.
The specific implementation mode is as follows:
a method for analyzing the content of carbon in an 82B steel sample with the diameter of 10-14mm comprises the following steps:
| Standard sample number | Standard value of carbon element (%) |
| YSB S 11193-2011 | 0.039 |
| YSB S 20142-2005 | 0.068 |
| Metallurgy of skill word (0102) | 0.080 |
| YSBS11179-99 carbon steel | 0.543 |
| YSB S 11287-2000 | 0.661 |
| GBW(E)010244 (82B) | 0.819 |
We selected 5 standards (carbon content was distributed as high, medium and low) to measure carbon content on a standard curve, with the results as shown in table 2 below:
| standard sample number | Standard value of carbon element (%) | Test value | Error of the measurement | Allowable error |
| YSB S 11193-2011 | 0.039 | 0.038 | 0.001 | 0.002 |
| YSB S 20142-2005 | 0.068 | 0.067 | 0.001 | 0.003 |
| Metallurgy of skill word (0102) | 0.080 | 0.082 | -0.002 | 0.003 |
| YSB S 11184-2000 (Q275） | 0.337 | 0.334 | 0.003 | 0.008 |
| YSB S11178-99 (45 # carbon steel) | 0.456 | 0.452 | 0.004 | 0.010 |
| YSBS11179-99 carbon steel | 0.543 | 0.545 | -0.002 | 0.012 |
| YSB S 11287-2000 | 0.661 | 0.665 | -0.004 | 0.013 |
| GBW(E)010244 (82B) | 0.819 | 0.822 | -0.003 | 0.015 |
The detection results of all the standard samples are within the error range.
Under the same condition, a standard sample is taken to carry out carbon element content repeatability detection on a photoelectric direct-reading spectrometer, and the repeatability detection result is satisfactory. The test results are shown in the following table 3:
| serial number | Test value | Standard value | Error of the measurement | Allowable error |
| 1 | 0.820 | 0.819 | 0.001 | 0.015 |
| 2 | 0.826 | 0.819 | 0.007 | 0.015 |
| 3 | 0.823 | 0.819 | 0.004 | 0.015 |
| 4 | 0.825 | 0.819 | 0.006 | 0.015 |
| 5 | 0.820 | 0.819 | 0.001 | 0.015 |
| 6 | 0.813 | 0.819 | -0.006 | 0.015 |
| 7 | 0.822 | 0.819 | 0.003 | 0.015 |
| 8 | 0.818 | 0.819 | -0.001 | 0.015 |
| 9 | 0.827 | 0.819 | 0.008 | 0.015 |
| 10 | 0.827 | 0.819 | 0.008 | 0.015 |
| Mean value of | 0.822 | 0.819 | 0.003 | 0.015 |
| SD | 0.0043 | |||
| RSD | 0.5 |
We extracted 10 groups of 82B steel production samples with the diameter of 10-14mm for carbon content analysis, and the analysis results are shown in the following table 4:
| sample numbering | Results of spectrometer analysis | Carbon sulfur instrument analysis results | Reproducibility of national standard regulations |
| 18C06774B | 0.816 | 0.809 | 0.061 |
| 18C07065B | 0.833 | 0.836 | 0.062 |
| 18C07048A | 0.845 | 0.851 | 0.063 |
| 18C07059A | 0.799 | 0.806 | 0.060 |
| 18C01044A | 0.826 | 0.817 | 0.062 |
| 18C07044B | 0.833 | 0.842 | 0.062 |
| 18C07090A | 0.842 | 0.850 | 0.063 |
| 18C07063A | 0.811 | 0.819 | 0.061 |
As can be seen from Table 4, the carbon element content of the 82B steel production sample with the diameter of 10-14mm analyzed by the photoelectric direct-reading spectrometer is within the range of national standard specified reproducibility deviation compared with the carbon element content analyzed by the carbon sulfur instrument, and the carbon element content detection requirement of the 82B steel production sample with the diameter of 10-14mm is met.
Sixthly, analyzing the content of carbon elements in a 82B steel sample with the diameter of 10-14mm by using a photoelectric direct-reading spectrometer.
The method comprises the steps of processing a steel standard sample into columnar steel standard samples with different diameters of 10-14mm, fitting a photoelectric direct-reading spectrometer analysis curve of carbon elements by using the steel standard sample with corresponding specifications, a special spark platen and a boron nitride sheet, verifying the fitted photoelectric direct-reading spectrometer analysis curve of the carbon elements, performing a carbon element content repeatability experiment, comparing the carbon element content with the carbon element content measured by an infrared carbon sulfur instrument, and determining the accuracy and reliability of the analysis method, so that the photoelectric direct-reading spectrometer is used for quickly and accurately analyzing the carbon element content in a steel sample produced by using 82B with the diameter of 10-14 mm.
Claims (1)
1. A method for analyzing the content of carbon in a sample of 82B steel with a diameter of 10-14mm, which is characterized by comprising the following steps: 1. the national standard samples with the numbers YSB S11193-2011, YSB S11179-99, technical letters 0102, YSB S11287-2000, YSB S20142-2005, GBW-E and 010244-82B: the diameter is 40-50mm, the height is 50-60mm, and the columnar samples with different specifications and the diameters of 10-14mm are processed by a wire cutting machine; 2. before analyzing a 10-14mm 82B steel sample, fitting a carbon element photoelectric direct-reading spectrometer analysis curve by using a standard sample, a spark platen and a boron nitride sheet with corresponding specifications, and calculating a correlation coefficient of the fitting carbon element photoelectric direct-reading spectrometer analysis curve; 3. selecting standard samples with high, medium and low carbon element contents to verify the fitting analysis curve of the photoelectric direct-reading spectrometer for the carbon element; 4. carrying out a carbon content repeatability experiment on an 82B steel sample; 5. the carbon element components of the 82B steel sample are determined by using the same analysis method under the same conditions, and after the result of carbon analysis by the photoelectric direct-reading spectrometer is compared with the carbon components determined by using an infrared carbon-sulfur instrument, the accuracy of the comparison result is improved; 6. and analyzing the content of the carbon element in the steel sample produced by 82B by using a photoelectric direct-reading spectrometer.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324199A (en) * | 2021-12-28 | 2022-04-12 | 建龙北满特殊钢有限责任公司 | Method for measuring sulfur content by photoelectric direct-reading spectrometer |
| CN114354319A (en) * | 2022-01-26 | 2022-04-15 | 新疆八一钢铁股份有限公司 | Sample preparation method for coking coal caking index detection sample |
| CN114609322A (en) * | 2022-04-20 | 2022-06-10 | 新疆八一钢铁股份有限公司 | Gas chromatographic analysis method for blast furnace gas constant components |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114609322A (en) * | 2022-04-20 | 2022-06-10 | 新疆八一钢铁股份有限公司 | Gas chromatographic analysis method for blast furnace gas constant components |
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