GB/T 16840.4-1997Technical determination method for electrical fire causee-Part 4:Metallographic method (English PDF)
电气火灾原因技术鉴定方法 第4部分：金相法
GB/T 16840.4 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 16840.4-2021 | Technical determination methods for electrical fire evidence—Part 4: Metallographic analysis method | Valid |
| GB/T 16840.4-1997 | Technical determination method for electrical fire causee-Part 4:Metallographic method | Obsolete |
GB/T 16840.4-1997 is obsolete. It has been replaced by GB/T 16840.4-2021. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
State Bureau of Technical Supervision
Level / Type
National · Recommended
Issue date
June 3, 1997
Implementation date
May 1, 1998
Scope
GB/T 16840.4-1997 is the English-translated version of 电气火灾原因技术鉴定方法 第4部分：金相法.
GB/T 16840.4-1997 is the Chinese national standard "Technical determination method for electrical fire causee-Part 4:Metallographic method". It was issued on June 3, 1997 by the State Bureau of Technical Supervision, and took effect on May 1, 1998. It is obsolete: it has been replaced by GB/T 16840.4-2021.
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Document preview — GB/T 16840.4-1997
National Standard of the People's Republic of China
Issued by: State Bureau of Technical Supervision
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: State Bureau of Technical Supervision.
Date of issue: 1997-06-03.
Date of implementation: 1998-05-01.
Status: obsolete, replaced by GB/T 16840.4-2021.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 16840.5-2012 — Technical determination methods for electrical fire evidence - Part 5: Method of recognizing and collecting the physical evidence of electrical fire
GB/T 16840.3-1997 — Technical determination methods for electrical fire causes - Part 3: Composition analysis method
GB/T 16840.6-2012 — Technical determination methods for electrical fire evidence - Part 6: Micro-morphological analysis method using scanning electron microscope
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GB/T 16840.4-1997
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