GB/T 34895-2017 in English
VALIDGeneral rules for metallographic examination of heat treatment
- Issued on:2017-11-01
- Implemented on:2018-05-01
- File Format:PDF
- Delivery:Within 1 day
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《GB/T 34895-2017热处理金相检验通则》由TC75（全国热处理标准化技术委员会）归口，主管部门为国家标准化管理委员会。
Introduction
Interpretation of the National Standard of the People's Republic of China GB/T 34895—2017
| Standard Dimensions | Technical Requirements | Scope of Application | Key Points for Implementation |
|---|---|---|---|
| Staff Qualifications | Professional training and job certificates are required, and they must be familiar with the standards for heat treatment and metallographic inspection. | Applicable to all staff who conduct metallographic inspection of heat treatment. | Regularly receive continuing education to update knowledge. |
| Equipment Requirements | Including sample preparation equipment (such as metallographic cutting machine, polishing machine) and testing equipment (optical microscope). | Laboratory and on-site inspection environment. | Ensure that the equipment meets safety regulations and is regularly calibrated and maintained. |
| Inspection process | Standardize the entire process from sample sampling and preparation to organization display and evaluation. | Applicable to quality inspection of heat-treated workpieces. | Strictly follow the operating instructions to ensure data accuracy. |
Explanation of professional terms and practical application cases
Metallographic examination: Observe the microstructure of metals or alloys through a microscope. For example, in heat-treated steel parts, the distribution of martensite, ferrite and other organizations can be detected.
Implementation Suggestions
- Staff Training: Carry out metallographic inspection technical training regularly to ensure that inspectors master the latest technology and safety regulations.
- Equipment Maintenance: Regularly check and calibrate sample preparation and testing equipment to ensure stable performance.
- Standard Update: Pay attention to industry technology development, and timely update and improve the metallographic inspection standard system.
- Data Management: Establish a complete original record management system to ensure the traceability of test data.
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