GB 6441-2025Classification and coding of work safety accidents (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part

1.Structure and Drafting Rules of Standardization Documents". Drafting. This document replaces GB/T 6441-1986 "Classification of Occupational Injuries and Fatalities in Enterprises". Compared with GB/T 6441-1986, the main differences are structural adjustments. Aside from editorial changes, the main technical changes are as follows:

a) The scope of the document has been changed (see Chapter 1, first paragraph of the 1986 edition);

b) The terms "injury or fatality," "lost working days," "temporary disability injury," "permanent partial disability injury," and "permanent total disability injury" have been removed. "Can cause harm" (see Chapter 1, 1986 edition);

c) The term "precursor cause" has been added (see Chapter 3);

d) A "classification principle" has been added (see 4.1.1);

e) Change "vehicle injury" to two basic accident types. "in-plant vehicle injury" and "road (railway) vehicle injury" (see...). 4.1.2 (Chapter 2, 1986 edition)

f) Change "mechanical injury" to "mechanical harm" (see 4.1.2, Chapter 2, 1986 edition);

g) Change "lifting injury" to "lifting-related injury" (see 4.1.2, Chapter 2, 1986 edition);

h) Added "fall", "water damage", "pipeline explosion", "flammable gas explosion", "flammable liquid vapor explosion", "dust explosion", and "civilian explosion". Basic accident categories. "Explosion of materials", "Explosion of fireworks and firecrackers", "Explosion of other combustible solids", "Explosion of high-temperature molten materials", "Landslide", and "Leakage". Type (see 4.1.2);

i) The accident types "roof collapse", "water inrush", "blasting", "gunpowder explosion", "gas explosion", "boiler explosion" and "other explosions" have been removed (see [link]). Chapter 2 (1986 edition)

j) Change "Other damages" to "Other" (see 4.1.2, Chapter 2, 1986 edition);

k) The chapter on "Damage Analysis" has been removed (see Chapter 3 of the 1986 edition);

l) The chapter on "Classification of Injury Levels" has been deleted (see Chapter 4 of the 1986 edition);

1 Scope

GB 6441-2025 is the Chinese national standard on classification and coding of work safety accidents, in the field of environment and health protection, safety. It carries no /T suffix, which in the Chinese system means compliance is mandatory: a product or a practice within its scope has to meet it to be lawfully made, sold or carried out in China. It was issued on 31 December 2025 by the State Administration for Market Regulation; Standardization Administration of China, and has been in force since 1 July 2026. Classification: ICS 13.100, CCS C75. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This document specifies the classification and type coding of production safety accidents and describes the calculation method of relative statistical indicators. This document applies to the classification and statistical analysis of production safety accidents.

Note. In this document, "production safety accident" is abbreviated as "accident".

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document.

GB/T 4754 National Economic Industry Classification

GB 6442-2025 Technical Specification for Investigation of Production Safety Accidents

GB 15499-2025 Determination of Working Days Lost Due to Injuries in Production Safety Accidents

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 First induced reason When two or more causes exist simultaneously in an accident, the cause that appears first or provides the conditions for the other causes to play their role is the cause that causes the accident to occur first.