GB/T 16840.4-2021 Active National standards

GB/T 16840.4-2021 Technical determination methods for electrical fire evidence—Part 4:Metallographic analysis method

GB/T 16840.4-2021 Technical determination methods for electrical fire evidence—Part 4:Metallographic analysis method

Publish Date: 2021-08-20 Implement Date: 2021-08-20 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 16840.4-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Fire fighting

ICS Name: Fire prevention

Publish Date: 2021-08-20

Implement Date: 2021-08-20

Pages: 8 pages

Scope

This document specifies the principles, equipment, materials and reagents, test samples, method steps, metallographic microstructure characteristics, and comprehensive judgment of the metallographic analysis method for identifying electrical fire traces and physical evidence.
This document is applicable to identifying the nature of fire traces and physical evidence based on the metallographic microstructure characteristics presented at the fire scene during fire investigation.

Development Information

Word Count: 16 Thousand words Pages: 8 pages

Same series standard

GB/T 16840.2-2021 Technical determination methods for electrical fire evidence—Part 2:Residual magnetism method GB/T 16840.3-2021 Technical determination methods for electrical fire evidence—Part 3:Auger electron spectroscopy component analytic method GB/T 16840.7-2021 Technical determination methods for electrical fire evidence—Part 7:Component analytic method of energy dispersive spectrometry GB/T 16840.8-2021 Technical determination methods for electrical fire evidence—Part 8:Method of thermal analysis

Replace the following standards

GB/T 16840.4-1997 Technical determination methods for electrical fire cause Part 4:Metallographic method

Referenced Standards

GB 16840.1-1997 Technical determination methods for electrical fire cause Part 1:Macroscopic method GB/T 16840.1-2008 Technical determination method for electrical fire evidence—Part 1:Macroscopic method

Related Standards

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