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GB/T 9711-2011 English PDF (GBT9711-2011)

GB/T 9711-2011 English PDF (GBT9711-2011)

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GB/T 9711-2011: Petroleum and natural gas industries -- Steel pipe for pipeline transportation systems

This Standard specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.
GB/T 9711-2011
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 75.200
E 98
Replacing GB/T 9711.1-1996, GB/T 9711.2-1999, GB/T 9711.3-2005
Petroleum and Natural Gas Industries -
Steel Pipe for Pipeline Transportation Systems
?????????????????????
(ISO 3183.2007, MOD)
ISSUED ON. DECEMBER 30, 2011
IMPLEMENTED ON. JUNE 1, 2012
Issued by. General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of the People's Republic of
China.
Table of Contents
1 Scope ...7
2 Conformity ...7
3 Normative References ...8
4 Terms and Definitions ...13
5 Symbols and Abbreviated Terms ...20
6 Pipe Grade, Steel Grade and Delivery Condition ...23
7 Information to Be Supplied by the Purchaser ...24
8 Manufacturing ...31
9 Acceptance Criteria ...38
10 Inspection ...62
11 Marking ...97
12 Coatings and Thread Protectors ...101
13 Retention of Records ...102
14 Pipe Loading ...102
Annex A ...103
Annex B ...104
Annex C ...107
Annex D ...109
Annex E ... 116
Annex F ...131
Annex G ...134
Annex H ...142
Annex I ...156
Annex J ...158
Annex K ...177
Annex L ...184
Annex M ...187
Bibliography ...188
Foreword
This Standard is drafted in accordance with the regulations of GB/T 1.1-2009. This Standard replaces GB/T 9711.1-1996 ?€?Petroleum and Natural Gas Industries - Steel Pipe for Pipelines - Technical Delivery Conditions - Part 1. Pipes of Requirement Class A?€?, GB/T 9711.2-1999 ?€?Petroleum and Natural Gas Industries - Steel Pipe for Pipelines - Technical Delivery Conditions - Part 2. Pipes of Requirement Class B?€?, and GB/T 9711.3-2005 ?€?Petroleum and Natural Gas Industries - Steel Pipe for Pipelines - Technical Delivery Conditions - Part 3. Pipes of Requirement Class C?€?.
This Standard uses redrafting method to modify and adopts ISO 3183.2007 (second edition) "Petroleum and Natural Gas Industries - Steel Pipe for Pipeline Transportation Systems". For ease of use, some changes are made in this Standard relative to ISO 3183.2007.
Editorial changes.
1) The second paragraph of 2.1 ?€?Units of Measurement?€?, which is irrelevant to the subject of this Standard, namely "For data expressed in SI units, a comma is used as the decimal separator and a space is used as the thousand-separator. For data expressed in USC units, a dot (on the line) is used as the decimal separator and a space is used as the thousand-separator." is deleted.
2) The space is not used as the thousand-separator in SI unit and USC unit; the decimal point is used to replace the comma ", " that is used as the decimal separator in ISO 3183.
3) In the normative references, the international standards are replaced by the national standards and industry standards which are prepared equivalent and identical to the international standards; and the numbers of the international standards and the application degree are indicated in the parentheses.
4) In the normative reference, some international standards have been changed and prepared into the national standards and industry standards. For the reference, the corresponding standards number in China and the identical symbols are indicated in the notes below the international standards.
Technical modification.
1) The definitions for sample, test piece, informative elements, normative elements, heat, flux core arc welding and shielded metal arc welding are added; and they are listed in 4.55, 4.56, 4.57, 4.58, 4.59, 4.60, 4.61 respectively. 2) 7.2c) 55), 7.2c) 56), 7.2c) 57), 7.2c) 58), 7.2c) 59), 7.2c) 60), 7.2c) 61) are added.
Petroleum and Natural Gas Industries -
Steel Pipe for Pipeline Transportation Systems
1 Scope
This Standard specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.
This Standard is applicable to seamless and welded steel pipes for use in petroleum and natural gas transportation.
This Standard is not applicable to cast pipe.
2 Conformity
2.1 Units of measurement
In this Standard, data are expressed in both SI units and USC units. For a specific order item, unless otherwise stated, only one system of units shall be used, without combining data expressed in the other system.
2.2 Rounding
Unless otherwise stated in this Standard, to determine conformance with the specified requirements, observed or calculated values shall be rounded to the nearest unit in the last right-hand place of figures used in expressing the limiting value, in accordance with ISO 31-0.1992, Annex B, Rule A.
NOTE For the purposes of this provision, the rounding method of ASTM E 29-04[1] is equivalent to ISO 31-0.1992, Annex B, Rule A.
2.3 Compliance to this Standard
A quality system should be applied to assist compliance with the requirements of this Standard.
NOTE ISO/TS 29001[2] gives sector-specific guidance on quality management systems. [1] American Petroleum Institute, 1220 L Street, N.W., Washington, DC 20005, USA. [2] CEN, European Committee for Standardization, Central Secretariat, Rue de Stassart 36, B-1050, Brussels, Belgium. ISO 10474 is applied to this standard.
A contract can specify that the manufacturer shall be responsible for complying with all of the applicable requirements of this Standard. It shall be permissible for the purchaser to make any investigation necessary in order to be assured of compliance by the manufacturer and to reject any material that does not comply.
3 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 228 Metallic Materials ?€? Tensile Testing at Ambient Temperature (GB/T 228-2002, eqv ISO 6892.1998)
GB/T 232 Metallic materials - Bend test (GB/T 232-1999, eqv ISO 7438.1985) GB/T 244 Metallic materials - Tube (in full section) - Bend test(GB/T 244-2008, ISO 8491.1998, IDT)
GB/T 246 Metallic materials - Tube - Flattening test(GB/T-2007, ISO 8492.1998, IDT) GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing (GB/T 2975-1998, eqv ISO 377.1997)
GB/T 4336 Standard test method for spark discharge atomic emission spectrometric analysis of carbon and low-Alloy steel (routine method)
GB/T 4340.1 Metallic materials-Vickers hardness test - Part 1. Test method (GB/T 4340.1-2009, ISO 6507-1.2005, MOD)
GB/T 4340.2 Metallic Vickers hardness test-Part 2. Verification of hardness testers (GB/T 4340.2-1999, idt ISO 6507-2.1997)
GB/T 4340.3 Metallic Vickers hardness test-Part 3. Calibration of hardness reference blocks (GB/T 4340.3-1999, idt ISO 6507-3.1997)
GB/T 8923-1988 Rust grades and preparation grades of steel surfaces before application of paints and related products (eqv ISO 8501-1.1988)
GB/T 9253.2 Petroleum and natural gas industri...

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