Seamless Steel Tubes EAC Certification TR CU 032 ‘Customs Union Safety Technical Regulations for Pressure Equipment’
Seamless Steel Tubes EAC Certification TR CU 032 “Customs Union Safety Technical Regulations for Pressure Equipment”  
Regulation Overview  
The “Customs Union Safety Technical Regulations for Pressure Equipment” (TR CU 032/2013) was adopted by the Eurasian Economic Commission on 18 November 2011 and entered into force on 1 February 2014. This regulation is part of the Customs Union's EAC certification framework for pressure equipment. Pressure equipment products exported to Customs Union countries such as Russia, Kazakhstan, and Belarus must undergo CU-TR certification in accordance with this regulation.

Application of Seamless Steel Tubes
Scope of Application
If seamless steel tubes are used in pressure equipment and meet the conditions of a maximum allowable working pressure exceeding 0.05 MPa and a nominal diameter greater than 25 mm, they are subject to mandatory certification under the TR CU 032 regulation. For example, seamless steel tubes used for transporting gases, steam, and liquids must undergo certification if they meet the aforementioned pressure and diameter requirements.

Non-applicable scenarios  
If seamless steel pipes are not used in pressure-bearing environments or do not meet the relevant pressure and diameter requirements, they are not subject to certification under this regulation.  
Certification types  
EAC Declaration of Conformity (DOC)  
For seamless steel pipes classified under Categories 1–2, an EAC Declaration of Conformity can be issued. This requires the company to make a self-declaration combined with laboratory testing. Regarding validity periods, single-batch certifications are valid indefinitely, while certifications for continuous production have a maximum validity period of 5 years.
EAC Certificate of Conformity (COC)
When seamless steel pipes are classified as Category 3–4, an EAC Certificate of Conformity must be applied for. This certification form requires review by a notified body, as well as factory inspections and annual supervision, with a maximum validity period of 5 years.
Certification Process  
Equipment Classification  
Determine the category of seamless steel pipes (Categories 1–4) based on Tables 1–9 in Appendix 1 of the regulations. For example, a seamless steel pipe with specifications of DN300 and PN10MPa may be classified as Category 3.
Document Preparation  
Technical Documents: These include a safety risk assessment report, equipment technical passport, operating manual, project documents, strength calculations and safety device capacity calculation results (if calculations were conducted according to the project), technical procedures and technical process information (such as material usage data, welding materials, welding methods and parameters, heat treatment modes, non-destructive testing methods and results, etc.), and equipment test reports conducted by the manufacturer.
Other Documents: Documents confirming the characteristics of materials and components, conformity certificates related to materials and components, and a list of standards applied in equipment manufacturing as specified in Section 5 of this technical specification, etc.  
Application Submission  
Seamless steel pipe manufacturers or relevant traders submit the prepared documents to the certification body to apply for EAC certification.  
Review and Inspection  
Document Review: The certification body conducts a detailed review of the submitted documents to determine compliance with regulatory requirements.
On-site inspection: For seamless steel tubes requiring EAC Certificate of Conformity (COC) certification, the certification body will dispatch personnel to the production facility for an on-site inspection to verify compliance with regulatory standards regarding production processes, quality management systems, etc.
Testing and experimentation  
In accordance with regulatory requirements, necessary testing and experimentation may be conducted on the seamless steel tubes, such as pressure testing (typically at 1.5 times the working pressure) and non-destructive testing of welds (e.g., RT/UT), to confirm product compliance with standards.
Certificate Issuance  
Following the above process, if the seamless steel pipes meet the relevant requirements of TR CU 032 regulations, the certification body will issue the corresponding EAC certification certificate (EAC Declaration of Conformity or EAC Certificate of Conformity).
Significance of Certification
Obtaining EAC certification for seamless steel pipes signifies that the product complies with the safety standards for pressure equipment in Customs Union countries, enabling it to circulate and be sold smoothly in Customs Union countries such as Russia, Kazakhstan, and Belarus. This helps enterprises expand their markets, enhance product competitiveness, and also ensures the safety of pressure equipment using these seamless steel pipes.
Certification Body: Shanghai Jinghe Industrial Equipment Testing Co., Ltd.
Certification body: Shanghai Jinghe Industrial Equipment Testing Co., Ltd.