GB/T 9253.2: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 9253.2-2017 | English | RFQ |
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Petroleum and natural gas industries -- Threading, gauging and thread inspection of casing, tubing, and line pipe threads
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GB/T 9253.2-2017
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| GB/T 9253.2-1999 | English | RFQ |
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Petroleum and natural gas industries. Threading, gauging, and thread inspection of casing, tubing and line pipe threads
| Obsolete |
GB/T 9253.2-1999
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| GB/T 9253.2-1988 | English | RFQ |
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Oil casing thread
| Obsolete |
GB/T 9253.2-1988
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PDF similar to GB/T 9253.2-2017
Basic data | Standard ID | GB/T 9253.2-2017 (GB/T9253.2-2017) | | Description (Translated English) | Petroleum and natural gas industries -- Threading, gauging and thread inspection of casing, tubing, and line pipe threads | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E92 | | Classification of International Standard | 75.180.10 | | Word Count Estimation | 142,179 | | Date of Issue | 2017-11-01 | | Date of Implementation | 2018-05-01 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 9253.2-2017: Petroleum and natural gas industries -- Threading, gauging and thread inspection of casing, tubing, and line pipe threads
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Petroleum and natural gas industries-Threading, gauging and thread inspection of casing, tubing, and line pipe threads
ICS 75.180.10
E92
National Standards of People's Republic of China
Replacing GB/T 9253.2-1999
Oil and gas industrial casing, tubing and pipelines
Thread machining, measurement and inspection
Petroleumandnaturalgasindustries-Threading, gaugingand
threadinspectionofcasing, tubing, andlinepipethreads
Posted.2017-11-01
2018-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 General 2
5 Thread Size and Tolerances (Line Pipe, Rim Sleeve and Tubing, Pre-Mounted Threaded Sleeve) 2
5.1 thread of the tooth type, size and tolerance 2
5.2 Thread Measurement 2
5.3 Visual inspection 2
5.4 Thread accuracy 3
5.5 thread design 3
5.6 Chamfering 4
5.7 Internal thread 4
5.8 thread processing 4
5.9 Thread Control 4
5.10 thread parameters 4
5.11 axis misalignment 4
5.12 axis misalignment test (optional) 4
5.13 Do not coincide with the axis of rejection (by the buyer to choose) 4
5.14 full thread length 5
5.15 hand tight connection 5
5.16 round nose 5
6 Threads (Single Parameter) Inspection (Line Pipe, Rivet Sleeve and Tubing, Tilting Threaded Sleeve) 20
6.1 Precautions 20
6.2 Measurement position 21
6.3 taper measurement 22
6.4 Pitch measurement 25
6.5 tooth height measurement 27
6.6 Angle Measurement 29
6.7 thread profile 30
6.8 Coupling thread axis coincidence degree 32
6.9 Calibration of Instruments and Indicators 33
7 Integrated Thread Inspection (Pipeline, Sleeve and Tubing, Pre-threaded Threaded Sleeves) 34
7.1 General 34
7.2 Measurement Requirements 34
7.3 Tightness determination 35
7.4 Tolerance 35
7.5 gauge calibration maintained 35
7.6 Gauge Acceptance 37
7.7 Changes in S Value 39
7.8 Recalibration 39
8 gauge specifications (pipeline, round casing and tubing, trapezoidal thread casing) 39
8.1 Proofreading Regulation 39
8.2 work rules 40
8.3 Pitch 40
8.4 taper 40
8.5 tooth height 40
8.6 tooth bottom shape 41
8.7 gauge length 41
8.8 proofing plug --- alignment device 41
8.9 Pairing closely spaced 41
8.10 mark 41
9 API Gauge Calibration (Line Pipe, Rounded Sleeve and Tubing, Lateral Threaded Sleeves) 52
9.1 Calibration agency 52
9.2 Calibration 52
9.3 Determination of close distance 53
9.4 Mark Verification 53
10 thread mark 53
Appendix A (Normative) Proof of Shipping Regulations 55
Appendix B (Normative) API gage calibration agency requirements 56
Appendix C (Normative) Reinforced Anti-Leakage LTC Sleeve Thread (SR22) Additional Requirements 57
Appendix D (Normative) US Custom Units Tabulation 64
Appendix E (Normative) US Custom Units Chart 83
Appendix F (Normative) Direct-acting bushing 90
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 9253.2-1999 "oil and gas industry casing, tubing and pipe thread processing, measurement and inspection
Test ". Compared with GB/T 9253.2-1999, the main technical changes are as follows.
--- Added Appendix C "Supplementary Requirements SR22";
--- Added "SI sheet";
--- Added "SI drawing";
--- Modify the external thread chamfer (from 65 ° to 60 °).
Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents.
This standard by the National Standardization Technical Committee of Oil and Gas (SAC/TC355) centralized.
This standard was drafted by China Petroleum Pipeline Engineering Research Institute.
The main drafters of this standard. Yang Li, Fang Wei, Fung Chun, Wei respect justice.
This standard replaces the standards previously issued as.
--- GB/T 9253.2 ~ GB/T 9253.7-1988;
--- GB/T 9253.2-1999.
Oil and gas industrial casing, tubing and pipelines
Thread machining, measurement and inspection
1 Scope
This standard specifies the API thread pipe, round thread casing, round thread tubing, partial trapezoidal thread casing, straight casing connection thread (Jane
Called API threads) and gauge dimensions and marking requirements as well as instruments and methods for inspecting API threads and gauges.
This standard applies to oil and gas industry with casing, tubing and pipe thread processing, measurement and inspection.
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.
GB/T 9711 oil and gas pipelines for industrial piping systems
GB/T 14791 thread terminology
GB/T 17745 oil and gas industry casing and tubing maintenance and use
GB/T 18052 casing, tubing and pipe thread measurement and inspection methods
GB/T 19830 oil and gas wells in the oil and gas well casing or tubing steel pipe
GB/T 23512 Evaluation and test of thread grease for casing, tubing and line pipe of oil and gas industry
APRP5A3 thread grease recommendation (Recommendedpracticeonthreadcompoundsforcasing, tubing
andlinepipe)
APIRP5B1 casing, tubing and pipe thread measurement and testing Recommended Practice (Recommendedpracticeongauging
andinspectionofcasing, tubing, andlinepipethreads)
APRP5C1 casing and tubing maintenance and use of recommended practices (Recommendedpracticeoncareanduseof
casingandtubing)
APISpec5CT casing and tubing specification (Specificationforcasingandtubing)
APISpec5L Pipeline Specification (Specificationforlinepipe)
ASMEB1.3M thread detection system, the size of the acceptable - inch and the international system of thread (Screwthreadgauging
systemsfordimensionalacceptability-Inchandmetricscrewthreads)
3 Terms and definitions
GB/T 14791 defined and the following terms and definitions apply to this document.
3.1
Defect
With a defect of sufficient size, and in accordance with the provisions of the applicable standards as the basis for product rejection.
3.2
Imperfect imperfection
Discontinuities or irregularities on the product as examined by the methods provided in the applicable standards.
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