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GB 26488-2025: Safety specification for magnesium alloy die casting
Status: Valid GB 26488: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 26488-2025 | English | 279 |
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Safety specification for magnesium alloy die casting
| Valid |
GB 26488-2025
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| GB 26488-2011 | English | 169 |
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Magnesium alloys die casting safety criterion
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GB 26488-2011
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Standard similar to GB 26488-2025 GB/T 51033 GB/T 50082 GB 26488 Basic data | Standard ID | GB 26488-2025 (GB26488-2025) | | Description (Translated English) | Safety specification for magnesium alloy die casting | | Sector / Industry | National Standard | | Classification of Chinese Standard | H61 | | Classification of International Standard | 77.120.20 | | Word Count Estimation | 14,160 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2026-02-01 | | Older Standard (superseded by this standard) | GB 26488-2011 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB 26488-2025: Safety specification for magnesium alloy die casting---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB26488-2025
ICS 77.120.20
CCSH61
National Standard of the People's Republic of China
Replaces GB 26488-2011
Safety production specifications for magnesium alloy die casting
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General Requirements 2
5 Plant layout and buildings (structures) 2
6 Equipment and Facility Safety 3
6.1 General requirements 3
6.2 Magnesium alloy furnace and peripheral equipment 3
6.3 Die Casting Machine 4
6.4 Hydraulic and pneumatic systems 4
6.5 Magnesium alloy casting cleaning and polishing equipment 5
6.6 Machining equipment 5
6.7 Energy media 5
6.8 Electrical Control System 6
7 Work Safety 6
7.1 General requirements 6
7.2 Furnace 6
7.3 Die Casting 7
7.4 Cleanup 8
7.5 Machining 8
7.6 Storage of magnesium alloy raw materials and waste 8
8 Verification Methods 8
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB 26488-2011 "Safety Production Code for Magnesium Alloy Die Casting". Compared with GB 26488-2011, except for the structural adjustment and
In addition to editorial changes, the main technical changes are as follows.
--- Changed the scope of application and added the application of semi-solid die casting (see Chapter 1, Chapter 1 of the.2011 edition);
--- Added terms and definitions such as injection chamber and punch (see Chapter 3);
--- Added safety requirements for the application of new processes, new technologies, new equipment, new materials, etc., safety requirements for major hazardous sources, and dangerous operations
Safety requirements (see 4.4, 4.6, 4.10);
--- Changed the safety requirements for molten metal working areas (see 5.4, 5.6, 5.7, 3.4, 5.3 of the.2011 edition);
--- Added safety requirements for protective earthing (or grounding) of electrical equipment (see 6.1.12);
--- Increased safety requirements for the liquid level in the crucible (see 6.2.4);
--- Changed the safety requirements for combustion devices using natural gas (see 6.2.5, 7.6 of the.2011 edition);
---Changed the requirements for safety devices such as flow difference monitoring and alarm device, oil overheat protection device, and interlock control of water-cooled injection rod
(See 6.3.3, 6.3.4, 6.3.5, and 6.1.3 and 6.1.4 of the.2011 edition);
--- Added safety requirements for semi-solid magnesium alloy injection molding machines (see 6.2.9, 6.3.7, 6.3.8);
--- Added safety technical requirements for the stress of the large bar of the casting machine (see 6.3.8);
--- Added safety requirements for trimming machines, heat shaping machines, etc. (see 6.6.1, 6.6.2);
--- Added safety requirements for energy media (see 6.7);
--- Added management requirements for confined spaces (see 7.1.4);
--- Changed the requirements for preheating temperature of magnesium alloy ingots (see 7.2.4, 7.3 of the.2011 edition);
--- Added safety requirements for furnace slagging operations (see 7.2.8, 7.2.9, 7.2.10);
--- Added safety requirements for air injection (see 7.3.10);
--- Added verification method (see Chapter 8).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the Ministry of Emergency Management of the People's Republic of China.
The previous versions of this document and the documents it replaces are as follows.
---First issued in.2011 as GB 26488-2011;
---This is the first revision.
Safety production specifications for magnesium alloy die casting
1 Scope
This document specifies the safety management, plant layout, and safety technical requirements for buildings (structures), equipment, and operations of magnesium alloy die casting production.
The verification method is described.
This document applies to the safety management of production links such as magnesium alloy high-pressure casting and semi-solid die casting.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB 15577 Safety regulations for dust explosion prevention
GB 18218 Identification of Major Hazard Sources of Hazardous Chemicals
GB 39800.1 Specification for personal protective equipment Part 1.General
GB 39800.3 Specification for personal protective equipment Part 3.Metallurgy, nonferrous metals
GB 50016 Code for Fire Protection Design of Buildings
GB 50057 Code for Lightning Protection Design of Buildings
GB 50058 Code for Design of Electrical Installations for Explosive Atmospheres
GB 50187 Specification for General Layout Design of Industrial Enterprises
GB 50544 Standard for General Planning and Transportation Design of Nonferrous Metals Industry
GB 50630 Code for Fire Protection Design of Nonferrous Metal Engineering
GB 55036 General Specification for Fire-Fighting Facilities
GB 55037 General Code for Fire Protection of Buildings
AQ4272 Technical Specification for Dust Explosion Prevention in Machining of Aluminum and Magnesium Products
TSG21 Safety Technical Supervision Regulations for Stationary Pressure Vessels
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Shotsleeve
A cylindrical container that holds the molten metal to be injected and applies pressure to it.
3.2
plunger
A plunger used to inject molten metal from the injection chamber into the mold cavity and to withstand the pressure generated by the metal during the solidification process.
3.3
die casting unit diecasting unit
A complete set of automated production equipment consisting of a die-casting machine and auxiliary equipment.
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