Search result: GB/T 41755-2022
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 41755-2022 | English | 339 |
Add to Cart
|
4 days [Need to translate]
|
Determination of the susceptibility to cracking of line pipe in sour service - Full ring ovalization test method
| Valid |
GB/T 41755-2022
|
| Standard ID | GB/T 41755-2022 (GB/T41755-2022) | | Description (Translated English) | Determination of the susceptibility to cracking of line pipe in sour service -- Full ring ovalization test method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H25 | | Classification of International Standard | 77.060 | | Word Count Estimation | 18,120 | | Date of Issue | 2022-10-14 | | Date of Implementation | 2023-02-01 | | Drafting Organization | China National Petroleum Corporation Engineering Materials Research Institute Co., Ltd., Metallurgical Industry Information Standards Research Institute, China Petroleum Engineering Construction Co., Ltd. Southwest Branch | | Administrative Organization | National Steel Standardization Technical Committee (SAC/TC 183) | | Proposing organization | China Iron and Steel Association | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Management Committee |
GB/T 41755-2022
Determination of the susceptibility to cracking of line pipe in sour service -- Full ring ovalization test method
ICS 77.060
CCSH25
National Standards of People's Republic of China
Cracking susceptibility test of pipeline steel pipe in sour environment
Elliptical Deformation Method for Full Ring Specimen
Published on 2022-10-12
2023-02-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Reagent 1
5 Test device 2
6 Test solution 3
7 Sample 4
8 Loading process of the specimen 4
9 Test procedure 5
10 Specimen Inspection 5
11 Test report 5
Appendix A (Normative) Ring Loading 6
Reference 13
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Iron and Steel Association.
This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
This document is drafted by. China National Petroleum Corporation Engineering Materials Research Institute Co., Ltd., Metallurgical Industry Information Standards Research Institute, China National Petroleum Corporation
Cheng Construction Co., Ltd. Southwest Branch.
The main drafters of this document. Fu Anqing, Long Yan, Miao Hui, Hou Jie, Han Yan, Jiang Fang, Tian Zijian, Li Qian, Chen Yongbin, Yin Chengxian, Ma Qingwei,
Yao Huan.
Cracking susceptibility test of pipeline steel pipe in sour environment
Elliptical Deformation Method for Full Ring Specimen
Warning. H2S is a toxic gas and should be handled with care. Safety precautions when handling H2S should be in accordance with GB/T 4157-2017
implement.
1 Scope
This document specifies the use of a complete pipe section sample to test pipeline steel in an acidic environment (a low pH aqueous solution containing H2S)
Test method for susceptibility to cracking in medium.
This document applies to the cracking susceptibility of seamless, longitudinally welded, spirally welded or girth welded pipes in sour environments.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 4157-2017 Laboratory test method for resistance of metals to sulfide stress cracking and stress corrosion cracking in hydrogen sulfide environment
GB/T 6682-2008 Specifications and test methods for water used in analytical laboratories
GB/T 8923.1-2011 Visual assessment of surface cleanliness of steel surface treatment before application of paint - Part 1.Uncoated
The rust grade and treatment grade of the steel surface and the steel surface after comprehensive removal of the original coating
NB/T 47013.3 Nondestructive Testing of Pressure Equipment Part 3.Ultrasonic Testing
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
strain
The ratio of length change per unit length (eg mm/mm).
Note. It is usually expressed as microstrain (με, that is, the parts per million of strain).
3.2
principal strain principalstrain
The maximum and minimum strain levels at a point on the measurement surface that are 90° from each other are calculated from the measured strain values.
4 Reagents
4.1 The purity of the test gas H2S should be greater than 99.9%.
4.2 Nitrogen, argon or other suitable gas with a purity of not less than 99.998% should be used, which will not react chemically with the reagent (or test solution).
......
|