GB/T 10561-2005 in English

SUPERSEDED

Steel - Determination of Content of Nonmetallic Inclusions - Micrographic Method Using Standards Diagrams

Issued on:2005-05-13
Implemented on:2005-10-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $70.00
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Standard No:	GB/T 10561-2005
Document status:	SUPERSEDED
Superseded by:	GB/T 10561-2023 Steel-Determination of content of nonmetallic inclusions—Micrographic method using standard diagrams
Superseded on:	2023-12-01
Title in English:	Steel - Determination of Content of Nonmetallic Inclusions - Micrographic Method Using Standards Diagrams
Title in Chinese:	钢中非金属夹杂物含量的测定标准评级图显微检验法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2005-05-13
Implemented on:	2005-10-01
Superseding:	GB/T 10561-1989 Steel-Determination of content of non-metallic inclusion-Micrographic method using standard diagrams
ICS Classification:	77.040.30-Chemical analysis of metals
Chinese Classification:	H24-Metallographic testing method
Professional Classification:	GB-National Standard
Related Keywords:	micrographic method using standards diagrams nonmetallic inclusions standard diagrams non-metallic inclusions steel products
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《GB/T 10561-2005钢中非金属夹杂物含量的测定--标准评级图显微检验法》由TC183（全国钢标准化技术委员会）归口，TC183SC14（全国钢标准化技术委员会金相检验方法分会）执行，主管部门为中国钢铁工业协会
本标准规定了用标准图谱评定压缩比大于或等于3的轧制或锻制钢材中的非金属夹杂物的显微评定方法。

This standard specifies micro evaluation methods for evaluating non-metallic inclusions of rolled or forged steel products whose compression ratio is larger than or equal to 3 with standard diagrams. The method is comprehensively used for evaluation of the flexibility of purpose steel. However, owing to the impact of testing personnel, the test results are difficult to reappear even if adopting lots of samples. Therefore, great discretion is required while using this method.
Note: these standard diagrams mayn't be applicable to evaluate certain types of steels (like free-cutting steel).
This standard also provides graphical analysis methods for determining nonmetallic inclusions (see annex D).