GB/T 14976-2012 (GB/T14976-2012, GBT 14976-2012, GBT14976-2012)
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Seamless stainless steel pipes for fluid transport
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GB/T 14976-2012
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| GB/T 14976-2002 | English | 439 |
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Stainless steel seamless tubes for fluid transport
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GB/T 14976-2002
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| GB/T 14976-1994 | English | 519 |
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Stainless steel seamless pipes for fluid transport
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GB/T 14976-1994
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Preview PDF: GB/T 14976-2012
| Standard ID | GB/T 14976-2012 (GB/T14976-2012) | | Description (Translated English) | Seamless stainless steel pipes for fluid transport | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H48 | | Classification of International Standard | 77.140.75 | | Word Count Estimation | 18,193 | | Older Standard (superseded by this standard) | GB/T 14976-2002 | | Quoted Standard | GB/T 222; GB/T 223.9; GB/T 223.11; GB/T 223.16; GB/T 223.18; GB/T 223.25; GB/T 223.28; GB/T 223.36; GB/T 223.40; GB/T 223.60; GB/T 223.62; GB/T 223.63; GB/T 223.68; GB/T 223.69; GB/T 228.1; GB/T 241; GB/T 242; GB/T 246; GB/T 2102; GB/T 2975; GB/T 4334-200 | | Adopted Standard | ASTM A269/A269M-2004, NEQ; ASTM A312/A312M-2005a, NEQ; ASTM A268/A268M-2005a, NEQ | | Drafting Organization | Jiangsu Wujin Stainless Steel Pipe Group Co., Ltd. | | Administrative Organization | National Steel Standardization Technical Committee | | Regulation (derived from) | National Standards Bulletin No. 9 of 2012 | | Proposing organization | China Iron and Steel Association | | 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 | | Summary | This standard specifies the fluid transport stainless steel seamless classification and code, ordering the contents, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certification. This standard a |
GB/T 14976-2012
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.75
H 48
Replacing GB/T 14976-2002
Seamless Stainless Steel Pipes for Fluid
Transport
ISSUED ON. MAY 11, 2012
IMPLEMENTED ON. FEBRUARY 1, 2013
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
1 Scope ... 5
2 Normative References ... 5
3 Classification and Code ... 7
4 Ordering Information ... 7
5 Dimension, Appearance and Weight ... 8
6 Technical Requirements ... 11
7 Test Methods ... 18
8 Inspection Rules ... 19
9 Packaging, Marking and Quality Certificate ... 19
Appendix A (Informative) Designation Comparison Table of Stainless Steel ... 20
Foreword
This Standard was drafted in accordance with the rules specified in GB/T 1.1-2009.
This Standard was drafted by making reference to "Seamless and Welded Steel
Austenitic Stainless Steel Pipes for General Service" (ASTM A 269/A 269M-04),
"Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes"
(ASTM A 312/A 312M-05a) and "Seamless and Welded Ferritic and Martensitic
Stainless Steel Pipes for General Service" (ASTM A 268/A 268M-05a).
This Standard replaces "Stainless Steel Seamless Tubes for Fluid Transport" (GB/T
14976-2002). The main changes in this Standard, compared with GB/T 14976-2002,
are as follows.
— A delivery method in accordance with the minimum wall thickness is added;
— The permissible dimension deviation of the steel pipes is modified;
— The mark examples are deleted;
— The designation and chemical composition of steel are modified according to
GB/T 20878;
— Designations of steel, 07Cr17Ni12Mo2, 07Cr19Ni11Ti, 07Cr18Ni11Nb,
06Cr13Al, 10Cr15, 022Cr18Ti, 019Cr19Mo2NbTi and 12Cr13, are added;
— Designation and relevant contents of dual phase steel are deleted.
— Requirements for the hydraulic test of steel pipes are modified;
— Informative A” Designation Comparison Table” is added.
This Standard was proposed by China Iron and Steel Association.
This Standard shall be under the jurisdiction of the National Technical Committee on
Iron and Steel of Standardization Administration of China (SAC/TC 183).
Drafting organizations of this Standard. Jiangsu Wujin Stainless Steel Pipe Group Co.,
Ltd., Pangang Group Chengdu Iron & Steel Co., Ltd., Shangxi Taigang Stainless Steel
Co., Ltd., Shanghai Shangshang Stainless Steel Pipe Co., Ltd., Yongxing Special
Stainless Steel Co., Ltd. AND Metallurgical Information and Standardization Institute.
Chief drafting staffs of this Standard. Song Jianxin, Zhou Zhibin, Yan Ru, Li Qi, Li
Changyi, Ji Xuewen, Yang Hui, Wang Jianyong, Chen Zemin and Dong Li.
The previous editions replaced by this Standard are as follows.
Seamless Stainless Steel Pipes for Fluid Transport
1 Scope
This Standard specifies the classification, code number, order contents, dimension,
appearance, weight, technical requirements, test methods, inspection rules, package,
marks and quality certificate of seamless stainless steel pipes for fluid transport.
This Standard is applicable to the seamless stainless steel pipes for fluid transport
(hereinafter referred to as steel pipes).
2 Normative References
The following referenced documents are indispensable for the application of this
document. For dated references, only the dated versions apply to this Standard. For
undated references, the latest edition of the normative document (include all the
amendments) is applicable to this Standard.
GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products
GB/T 223.9 Iron, Steel and Alloy - Determination of Aluminum Content - Chrom
Azurol S Photometric Method
GB/T 223.11 Iron Steel and Alloy - Determination of Chromium Content - Visual
Titration or Potentiometric Titration Method
GB/T 223.16 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Chromotropic Acid Photometric Method for the Determination of Titanium Content
GB/T 223.18 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Sodium Thiosulfate Separation Iodimetric Method for the Determination of Copper
Content
GB/T 223.25 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Dimethylglyoxime Gravimetric Method for the Determination of Nickel Content
GB/T 223.28 Methods for Chemical Analysis of Iron Steel and Alloy - The
D-denzoinoxime Gravimetric Method for the Determination of Molybdenum
Content
GB/T 223.36 Methods for Chemical Analysis of Iron, Steel and Alloy - The Neutral
Titration Method for the Determination of Ammonia Content after Distillation
Separation
GB/T 223.40 Iron Steel and Alloy - Determination of Niobium Content by the
Sulphochlorophenol S Spectrophotometric Method
GB/T 223.60 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon
Content
GB/T 223.62 Methods for Chemical Analysis of Iron, Steel and Alloy - The Butyl
Acetate Extraction Photometric Method for the Determination of Phosphorus
Content
GB/T 223.63 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Sodium (Potassium) Periodate Photometric Method for the Determination of
Manganese Content
GB/T 223.68 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Potassium Iodate Titration Method after Combustion in the Pipe Furnace for the
Determination of Sulfur Content
GB/T 223.69 Iron Steel and Alloy - Determination of Carbon Contents -
Gas-volumetric Method after Combustion in the Pipe Furnace
GB/T 228.1 Metallic Material - Tensile Test - Part 1. Ambient-temperature Test
GB/T 241 Metal Materials – Tubes - Hydrostatic Pressure Testing
GB/T 242 Metallic Materials – Tube - Drift Expanding Test
GB/T 246 Metallic Materials – Tube - Flattening Test
GB/T 2102 Acceptance, Packing, Marking and Certification of Pipe
GB/T 2975 Steel and Steel Products - Location and Preparation of Test Pieces for
Mechanical Testing
GB/T 4334-2008 Corrosion of Metals and Alloys - Test Methods for Intergranular
Corrosion of Stainless Steels
GB/T 5777-2008 Seamless Steel Pipe and Tubing Methods for Ultrasonic Testing
GB/T 7735-2004 Steel Tubes - The Inspection Method on Eddy Current Test
GB/T 11170 Stainless Steel - Determination of Multi-element Contents - Spark
Discharge Atomic Emission Spectrometric Method (Routine Method)
GB/T 17395 Dimensions, Shapes, Masses and Tolerances of Seamless Steel
Tubes
GB/T 20066 Steel and Iron - Sampling and Preparation of Samples for the
Determination of Chemical Composition
GB/T 20123 Steel and Iron - Determination of Total Carbon and Sulfur Content
Infrared Absorption Method after Combustion in an Induction Furnace (Routine
Method)
GB/T 20124 Steel and Iron - Determination of Nitrogen Content - Thermal
Conductimetric Method after Fusion in a Current of Inert Gas
GB/T 20878 Stainless and Heat-resisting Steels - Designation and Chemical
Composition
3 Classification and Code
3.1 The steel pipes may be classified into two types according to the product
processing method, and the category and code are.
— Hot rolled (squeezed and extended) steel pipes W-H;
— Cold-drawn (rolled) steel pipes W-C.
3.2 The steel pipes may be divided into two grades according to the dimensional
accuracy, and the grade and code are.
— Ordinary grade PA;
— High grade PC.
3.3 The following codes are applicable to this Standard.
— D The outer diameter or nominal outer diameter;
— S The wall thickness or nominal wall thickness;
— Smin The minimum wall thickness.
4 Ordering Information
The contract or order for purchasing steel pipes according to this Standard shall
include, but not limited to the following contents.
a) Standard number;
b) Product name;
c) Steel designation;
d) Dimensions;
e) Ordered quantity (total weight or total length);
f) Condition of delivery;
g) Optional requirements;
h) Other special requirements.
5 Dimension, Appearance and Weight
5.1 Outer diameter and wall thickness
5.1.1 The steel pipes shall be delivered according to nominal outer diameter and
nominal wall thickness. As required by the purchaser and based on the agreement of
both the supplier and the purchaser, the steel pipes may be delivered according to the
nominal outer diameter and the minimum wall thickness or other dimensions.
5.1.2 The outer diameter and wall thickness of steel pipes shall meet the relevant
requirements of GB/T 17395. As required by the purchaser and based on the
agreement of both the supplier and the purchaser, steel pipes beyond the dimensions
specified in GB/T 17395 may be supplied.
5.1.3 Where the steel pipes are delivered according to the nominal outer diameter
and nominal wall thickness, the permissible deviation of its nominal outer diameter
and nominal wall thickness shall meet those specified in Table 1. Where the steel
pipes are del...
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