GB/T 35185-2017Composite reinforced line pipe for the petroleum and natural gas industry (English PDF)
石油天然气工业用复合材料增强管线钢管
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 29, 2017
Implementation date
July 1, 2018
Scope
GB/T 35185-2017 is the English-translated version of 石油天然气工业用复合材料增强管线钢管.
GB/T 35185-2017 is the Chinese standard "Composite reinforced line pipe for the petroleum and natural gas industry".
Its scope clause reads: This standard specifies the oil and gas industry with composite materials reinforced pipe line design, manufacture, technical requirements, test methods, test rules Then, use and maintenance, marking, packaging, shipping and storage requirements.
This standard applies to natural gas long-distance pipeline. Its clauses include terms and definitions.
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Document preview — GB/T 35185-2017
National Standard of the People's Republic of China
- ICS
- 75.200
- Classification
- H 48
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 design
- 4.1 Structural Stress Analysis
- 4.2 Design pressure calculation
- 4.3 maximum operating pressure
- 4.4 maximum design temperature
- 4.5 self-tight pressure
- 5 pipe manufacturing and field connection
- 5.1 pipe manufacturing
- 5.2 Materials
- 5.3 pipe site connection
- 6 Technical Requirements
- 6.1 Appearance
- 6.2 Size
- 6.3 Performance Requirements
- 7 Test Method
- 7.1 Appearance
- 7.2 Size
- 7.3 Short-term hydrostatic test
- 7.4 hydraulic burst strength test
- 8.1 Test classification
- 8.2 factory inspection
- 8.3 type test
- 9 logo, packaging, transportation and storage
- 9.1 mark
- 9.2 Packaging
- 9.3 Transportation
- 9.4 Storage
- 10 Use and Maintenance
- Appendix B (informative) Composite reinforced pipe line pipe typical size, design pressure
- Appendix C (informative) composite materials to enhance the use of pipeline steel pipelines and maintenance
1 Scope
This standard specifies the oil and gas industry with composite materials reinforced pipe line design, manufacture, technical requirements, test methods, test rules
Then, use and maintenance, marking, packaging, shipping and storage requirements.
This standard applies to natural gas long-distance pipeline.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
Fiberglass - Reinforced Plastics - Test Method for Testing the Mechanical Properties of Plastics
GB/T 2577 glass fiber reinforced plastic resin content test methods
GB/T 3854 reinforced plastic Barcol hardness test method
GB/T 3855 carbon fiber reinforced plastics resin content test methods
GB/T 9711 oil and gas pipelines for industrial piping systems
GB 50251 Gas Pipeline Project Design Code
APISPEC5L Pipeline Specification (Specificationforlinepipe)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Composite reinforced pipeline steel
Through the pipeline in the pipe wrapped composite material pipe products, the main load-bearing structure consists of two parts, namely the inner layer of steel pipe
And outer continuous fiber reinforced composite material. When the product is subjected to internal pressure, the circumferential load is shared by the steel pipe and the composite material layer.
3.2 Winding angle
The angle between the winding direction of the fiber in the composite layer and the axial direction of the pipe.
3.3 Self-tight auto-frettage
In order to stress the inner layer of steel exceeds the yield stress, resulting in plastic deformation, in the manufacture of composite materials to enhance pipe line pipe plus
Pressure process.
Note. As a result of self-tightening, the composite reinforced layer has tensile stress at zero pressure.
3.4 Self-tight pressure
The pressure applied to distribute the stress between the inner steel tube and the outer composite reinforcement.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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