GB 9448-2025 English PDFUS$599.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 9448-2025: Safety in welding and cutting Status: Valid GB 9448: Historical versions
Basic dataStandard ID: GB 9448-2025 (GB9448-2025)Description (Translated English): Safety in welding and cutting Sector / Industry: National Standard Classification of Chinese Standard: J33 Classification of International Standard: 25.160.01 Word Count Estimation: 30,354 Date of Issue: 2025-08-01 Date of Implementation: 2026-08-01 Older Standard (superseded by this standard): GB 9448-1999 Issuing agency(ies): State Administration for Market Regulation, Standardization Administration of China GB 9448-2025: Safety in welding and cutting---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/GB9448-2025ICS 25.160.01 CCSJ33 National Standard of the People's Republic of China Replaces GB 9448-1999 Welding and Cutting Safety Released on August 1, 2025 Implementation on August 1, 2026 State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 General Principles 2 4.1 Equipment and Operation 2 4.2 Responsibility 2 5 Protection of working area and personnel 3 5.1 Protection of the working area 3 5.2 Personal protection 3 5.3 Noise Control 5 5.4 Respiratory protective equipment 5 5.5 Personnel Training 6 6 Ventilation 6 6.1 Adequate ventilation 6 6.2 Preventing smoke flow 6 6.3 Implementation of ventilation 6 6.4 Special ventilation requirements 6 7 Fire Fighting Measures 7 7.1 Fire prevention responsibilities 7 7.2 Designated operating areas 7 7.3 Hot work conditions in areas with flammable materials 7.4 Fire Extinguishing 7 7.5 Welding or cutting of containers containing flammable materials 8 8 Safety requirements in confined spaces 8 8.1 Ventilation in confined spaces 8 8.2 Placement of equipment in use 8 8.3 Adjacent Areas 9 8.4 Emergency Signals 9 8.5 Guardians in confined spaces 9 8.6 Brazing furnace 9 9 Public Exhibitions and Demonstrations 9 10 Warning Signs 9 11 Oxygen-fuel welding and cutting safety 10 11.1 General requirements 10 11.2 Welding and cutting torches 10 11.3 Hoses and hose connections 10 11.4 Pressure reducer 11 11.5 Gas Cylinders 11 11.6 Installation and operation of busbars 13 12 Arc Welding and Cutting Safety 13 12.1 General requirements 13 12.2 Installation of Arc Welding Equipment 13 12.3 Grounding 13 12.4 Welding circuit 13 12.5 Operation 14 12.6 Maintenance 15 13 Resistance Welding Safety 16 13.1 General requirements 16 13.2 Installation of resistance welding equipment 16 13.3 Protective devices 16 13.4 Electrical Safety 17 13.5 Maintenance 18 14 Electron beam welding and cutting safety 18 14.1 General requirements 18 14.2 Potential hazards 18 15 Laser and Laser-Arc Hybrid Welding and Cutting Safety 19 15.1 General requirements 19 15.2 Laser welding and cutting equipment 19 15.3 Laser-arc hybrid welding 19 15.4 Personnel19 15.5 Visual surveillance 19 15.6 Laser Protection 19 15.7 Equipment maintenance personnel 20 15.8 Laser Safety Signs 20 16 Brazing Safety 20 16.1 General requirements 20 16.2 Flammable and corrosive substances 20 16.3 Operational Requirements 20 16.4 Gases and fumes 20 16.5 Equipment Maintenance 21 17 Friction Welding Safety 21 17.1 General requirements 21 17.2 Hazard Protection 21 17.3 Shutdown and Maintenance 21 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 9448-1999 "Welding and Cutting Safety". Compared with GB 9448-1999, except for structural adjustments and editorial changes, In addition, the main technical changes are as follows. a) Added requirements for establishing a controllable safety management system for the implementation of welding or cutting operations (see 4.2.1); b) Added requirements for on-site management and safety supervision personnel (see 4.2.2); c) Added special ventilation requirements for cleaning agents, brazing furnaces and asbestos materials (see 6.4); d) Change “Safety requirements in enclosed spaces” to “Safety requirements in confined spaces” (see Chapter 8, Chapter 7 of the.1999 edition); e) Added requirements for on-site layout of public demonstrations and exhibitions (see Chapter 9); f) Added safety requirements for the use of hydrogen systems during oxyfuel cutting (see 11.1); g) Added safety requirements for electron beam cutting (see Chapter 14); h) Added safety requirements for laser welding and cutting, and laser-arc hybrid welding and cutting (see Chapter 15); i) Added brazing safety requirements (see Chapter 16); j) Added safety requirements for friction welding (see Chapter 17). 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 Industry and Information Technology of the People's Republic of China. This document was first issued in 1988, revised for the first time in.1999, and this is the second revision. Welding and Cutting Safety1 ScopeThis document specifies the working area and personnel protection, ventilation and fire protection measures during welding and cutting operations, and the Safety requirements, safety requirements during public exhibitions and demonstrations, warning signs and other general safety requirements, as well as oxygen gas welding and cutting, arc Welding and cutting, resistance welding, electron beam welding and cutting, laser and laser-arc hybrid welding and cutting, brazing, friction welding and other specific operations Detailed safety requirements during the process. This document applies to the operation, management and supervision of the safe performance of welding and cutting operations.2 Normative referencesThe 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/T 2550 Rubber hoses for welding, cutting and similar operations with gas welding equipment GB/T 3609.1 Occupational eye and face protection - Welding protection - Part 1.Welding protective gear GB/T 3609.2 Occupational eye and face protection - Welding protection - Part 2.Auto-darkening welding filters GB/T 7144 Color marking of gas cylinders GB/T 7247.1 Safety of laser products Part 1.Equipment classification and requirements GB/T 7247.3 Safety of Laser Products Part 3.Guidelines for Laser Shows and Performances GB/T 7247.4 Safety of Laser Products Part 4.Laser Protection Screens GB/T 7247.14 Safety of Laser Products Part 14.User Guide GB 8965.2 Protective clothing welding clothing GB 15578 Safety requirements for resistance welding machines GB/T 15579.1 Arc welding equipment Part 1.Welding power sources GB/T 18490.1 Mechanical safety Laser processing machines Part 1.General safety requirements GB/T 18490.2 Mechanical safety Laser processing machines Part 2.Safety requirements for handheld laser processing machines GB/T 20262 Safety specification for gas cylinder pressure reducers for welding, cutting and similar processes GB/T 25295 Guidelines for safety design of electrical equipment GB/T 29729 Basic requirements for hydrogen system safety GB 39800.1 Specification for personal protective equipment Part 1.General GB 30863 Personal protective equipment Eye and face protection Laser protective goggles GB/T 40337 Gas Tightness of Gas Welding and Related Process Equipment GB/T 40371 Materials for welding, cutting and related process equipment using gas welding equipment GB/T 41861 Hose assemblies for welding, cutting and related process equipment for gas welding equipment GB/T 43322 Gas welding equipment - Air welding torches GB/T 43917.1 Welding fume capture and separation equipment Part 1.General requirements GBZ 2.2 Occupational exposure limits for hazardous agents in the workplace Part 2.Physical agents GBZ /T 229.4 Classification of occupational hazards in the workplace Part 4.Noise ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 9448-2025_English be delivered?Answer: Upon your order, we will start to translate GB 9448-2025_English as soon as possible, and keep you informed of the progress. 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