Welding machines are essential core equipment in manufacturing, construction, aerospace, automotive maintenance and other industries. Their quality, safety and performance directly affect welding efficiency, weld quality and operational safety. When purchasing a welding machine, many buyers often focus only on price and specifications, ignoring the importance of industry standards and certifications, which may lead to buying unqualified products, resulting in welding defects, equipment failures, even safety accidents and economic losses. Based on global industry norms, relevant certification systems and practical purchasing experience, this article comprehensively sorts out the key industry standards and certifications that need to be paid attention to when buying a welding machine, providing practical references for purchasers, enterprises and operators to help them purchase compliant, safe and reliable welding equipment.
I. Core Industry Standards for Welding Machines: The Foundation of Quality and Safety
Industry standards are the basic criteria for measuring the quality, safety and performance of welding machines, which specify the technical requirements, testing methods and quality indicators of welding machines. Different regions and application fields have corresponding authoritative standards, and purchasers need to select products that meet the applicable standards according to their own use scenarios.
1. International Core Standards
International standards are widely recognized globally, which are applicable to cross-border procurement and scenarios with high quality requirements. The most influential ones include:
IEC (International Electrotechnical Commission) standards: As the core international standard system for electrical equipment, IEC has formulated a series of standards for welding machines, among which IEC 60974 is the most commonly used. IEC 60974 covers various types of welding machines, including arc welding machines, resistance welding machines, TIG welding machines, MIG/MAG welding machines, etc., specifying technical requirements such as electrical safety, thermal performance, insulation performance, and electromagnetic compatibility of welding machines. For example, IEC 60974-1 focuses on the safety requirements of arc welding power sources, ensuring that the equipment can effectively prevent electric shock, overheating and other hazards during operation;
ANSI (American National Standards Institute) standards: Applicable to the North American market, ANSI/AWS (American Welding Society) standards are widely used, such as AWS D1.1 (Structural Welding Code - Steel), which specifies the technical requirements of welding machines in steel structural welding, including welding current stability, arc ignition performance, etc.;
EN (European Norm) standards: Applicable to the European market, EN 60974 series standards are consistent with IEC standards in terms of core requirements, and add additional requirements according to European industrial characteristics, such as stricter electromagnetic compatibility and environmental protection requirements, which are necessary conditions for welding machines to enter the European market.
2. National Core Standards (Taking China as an Example)
For purchasers in the domestic market, welding machines must comply with national mandatory standards to ensure legal compliance and use safety. The key national standards include:
GB standards (National Standards of the People's Republic of China): The core mandatory standards for welding machines include GB 15579.1-2018 《Arc Welding Equipment - Part 1: Welding Power Sources》, which specifies the safety requirements, technical indicators and testing methods of arc welding power sources, covering insulation resistance, leakage current, overheating protection and other key safety indicators . GB 9448-2025 《Welding and Cutting Safety》, a newly revised standard, further improves the safety requirements for welding equipment and operation scenarios, providing more comprehensive safety protection .
In addition, there are corresponding industry standards for different types of welding machines, such as GB/T 8118-2018 《General Technical Conditions for Arc Welding Machines》, which specifies the general technical requirements of arc welding machines, including noise, humidity resistance and other indicators ; GB/T 15578-2018 《Safety Requirements for Resistance Welding Machines》, which is specially used for regulating resistance welding machines . For intelligent welding equipment, GB/T 38254-2019 《Intelligent Welding Robots - Technical Requirements》 is an important standard, which specifies the intelligent perception, process optimization and reliability requirements of intelligent welding equipment .
II. Key Certifications for Welding Machines: A Credible Guarantee of Quality
Industry certifications are issued by authoritative third-party institutions after strict testing and review, which are important proofs of the quality and compliance of welding machines. When purchasing, purchasers should focus on the following core certifications to avoid buying counterfeit or substandard products.
1. Safety Certifications
Safety certifications are the primary consideration when purchasing welding machines, which directly relate to operational safety and avoid electric shock, fire and other accidents:
CCC Certification (China Compulsory Certification): For welding machines sold and used in China, CCC certification is a mandatory certification. According to the relevant regulations of the General Administration of Quality Supervision, Inspection and Quarantine, welding machines belong to the scope of compulsory certification products. Only products that have passed CCC certification and affixed the CCC mark can be legally sold and used . The certification mode includes type test, initial factory inspection and post-certification supervision, ensuring that the products meet the national safety standards ;
CE Certification: Applicable to products sold in the European Union market. CE certification indicates that the welding machine meets the safety, health, environmental protection and other related requirements of the European Union, and is a necessary condition for entering the European market. The welding machine needs to comply with EN 60974 series standards and other relevant directives to obtain CE certification;
UL Certification (Underwriters Laboratories Certification): A well-known safety certification in the United States, which is widely recognized in the North American market. Welding machines with UL certification have passed strict safety tests, including electrical safety, fire resistance and other aspects, which can effectively ensure the safety of use in the North American market.
2. Quality Management System Certifications
Quality management system certifications reflect the production and quality control level of manufacturers, and indirectly guarantee the stability and reliability of welding machines:
ISO 9001 Quality Management System Certification: The most widely recognized quality management certification in the world. Manufacturers with ISO 9001 certification have a complete quality control system, which can ensure that the production process of welding machines is standardized, and the product quality is stable and consistent ;
ISO 14001 Environmental Management System Certification and ISO 45001 Occupational Health and Safety Management System Certification: These two certifications reflect the manufacturer's attention to environmental protection and employee occupational health. For enterprises with high environmental protection and safety requirements, choosing manufacturers with these two certifications can better meet the enterprise's own management needs .
3. Special Certifications for Specific Scenarios
For welding machines used in special fields, corresponding special certifications are required to ensure that they meet the specific requirements of the field:
High-tech Enterprise Certification: For intelligent welding equipment, manufacturers with national high-tech enterprise certification usually have strong R&D capabilities and independent intellectual property rights, which can ensure the advanced nature and reliability of product technology ;
Third-Party Testing Report: A test report issued by an authoritative third-party testing institution, which details the performance indicators, safety indicators and other test results of the welding machine, including electrical safety test, welding performance test, durability test, etc. . Purchasers can verify whether the product meets the relevant standards through the test report;
Industry Authority Certifications: Such as membership of the China Welding Association and participation in the formulation of national welding standards, which reflect the manufacturer's influence and technical strength in the industry .
III. Key Notes for Identifying Standards and Certifications When Purchasing
When purchasing a welding machine, it is not enough to only check whether there are relevant standards and certifications. It is also necessary to pay attention to the following points to avoid being misled by false certifications or non-compliant products:
1. Verify the authenticity of certifications: For CCC, CE, UL and other certifications, purchasers can verify the authenticity of the certification through the official website of the certification institution, and avoid purchasing products with counterfeit or expired certifications;
2. Confirm the matching between standards/certifications and product types: Different types of welding machines (such as arc welding machines, resistance welding machines, intelligent welding robots) correspond to different standards and certifications. It is necessary to confirm that the standards and certifications held by the product are consistent with the product type and use scenario ;
3. Focus on the version of standards: Industry standards are constantly updated and revised. For example, GB 9448-2025 has replaced the old version and put forward higher safety requirements . Purchasers should choose products that meet the latest standard versions to ensure compliance and advanced nature;
4. Combine with practical needs: Do not blindly pursue high-standard and high-certification products. According to the actual use scenario (such as small workshops, large-scale factories, special fields), select products that meet the corresponding standards and certifications, so as to balance quality and cost;
5. Check the consistency of products and certifications: Ensure that the product model, specifications and other information on the certification certificate are consistent with the actual product, and avoid the situation that the certification does not match the product .
IV. Conclusion
When buying a welding machine, industry standards and certifications are the core criteria for judging product quality, safety and compliance. They are not only the guarantee of safe operation and stable welding quality, but also the key to avoiding legal risks and economic losses. Purchasers need to clearly understand the international and national core standards applicable to welding machines, focus on core certifications such as safety certifications and quality management system certifications, and combine with their own use scenarios to select compliant, safe and reliable products.
For manufacturers, abiding by industry standards and obtaining relevant authoritative certifications is not only the requirement of market supervision, but also the basis for enhancing market competitiveness. With the continuous development of welding technology, industry standards and certification systems will be further improved and optimized. Both purchasers and manufacturers need to keep abreast of the latest industry trends, attach importance to the compliance of products, and jointly promote the high-quality development of the welding equipment industry.
