Analysis of standard GB/T 10561-2023: Determination of content of nonmetallic inclusions in steel-micrographic method using standard diagrams

Zhang Zhenwei; Ma Yuchen; You Yanglijun; Wang Ruolan; Chen Min; Zhao Jie; Jiang Rui; Li Yulei

doi:10.7513/j.issn.1004-7638.2024.01.029

Volume 45 Issue 1

Feb. 2024

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Article Navigation > IRON STEEL VANADIUM TITANIUM > 2024 > 45(1): 197-204

Zhang Zhenwei, Ma Yuchen, You Yanglijun, Wang Ruolan, Chen Min, Zhao Jie, Jiang Rui, Li Yulei. Analysis of standard GB/T 10561-2023: Determination of content of nonmetallic inclusions in steel-micrographic method using standard diagrams[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(1): 197-204. doi: 10.7513/j.issn.1004-7638.2024.01.029

Citation:

Zhang Zhenwei, Ma Yuchen, You Yanglijun, Wang Ruolan, Chen Min, Zhao Jie, Jiang Rui, Li Yulei. Analysis of standard GB/T 10561-2023: Determination of content of nonmetallic inclusions in steel-micrographic method using standard diagrams[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(1): 197-204. doi: 10.7513/j.issn.1004-7638.2024.01.029

Citation:

Zhang Zhenwei, Ma Yuchen, You Yanglijun, Wang Ruolan, Chen Min, Zhao Jie, Jiang Rui, Li Yulei. Analysis of standard GB/T 10561-2023: Determination of content of nonmetallic inclusions in steel-micrographic method using standard diagrams[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(1): 197-204. doi: 10.7513/j.issn.1004-7638.2024.01.029

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Analysis of standard GB/T 10561-2023: Determination of content of nonmetallic inclusions in steel-micrographic method using standard diagrams

doi: 10.7513/j.issn.1004-7638.2024.01.029

1.
Ningbo Branch of Chinese Academy of Ordnance Science, Ningbo 315103 , Zhejiang , China
2.
Chang’an Dublin International College of Transportation, Chang’an University, Xi’an 710064, Shaanxi, China

Received Date: 2023-12-18
Publish Date: 2024-02-29

Abstract

Abstract

The inspection standard for non-metallic inclusions (GB/T 10561-2023) has been revised. In order to more precisely implement the revised standard, in this paper, we provide a detailed analysis on the revised contents of the new standard GB/T 10561-2023 “Determination of Non-metallic Inclusion Content in Steel by Micrographic Method Using Standard Diagrams,” including the terminology definitions, principles, determination methods, results representations, calculation formulas, and rating maps. The major revisions of the new standard are summarized as follows: the terms and definitions section is added; the definition and characterization of inclusions are revised; requirements to evaluate the precipitated phases is required and the methods for describing their chemical characteristics are amended; the level of non-metallic inclusions is subdivided into 10 levels; the sampling requirements clarified, the sampling and schematic diagram for steel pipes modified, and the least size of inclusions for evaluation is clarified. The determination method was modified, and the scanning mode of the microscope B method was given. In terms of results presentations, the unclear classification of inclusion types and series boundaries was revised. The new standard has changed the calculation formula for inclusion measurement values and inclusion levels, and redrawn the standard rating diagram. Compared to the GB/T 10561-2005 version, the newly released GB/T 10561-2023 standard is more complete.
- steel,
- non-metallic inclusion,
- complex inclusion,
- precipitated phase,
- standards revision,
- standard rating chart

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References(13)

References

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