| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 3356-2012 | English | 399 |
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Rules for the inspection of longitudinal welded steel pipes for import and export
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SN/T 3356-2012
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Standard similar to SN/T 3356-2012 SN/T 5268 Basic data | Standard ID | SN/T 3356-2012 (SN/T3356-2012) | | Description (Translated English) | Rules for the inspection of longitudinal welded steel pipes for import and export | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Word Count Estimation | 10,195 | | Older Standard (superseded by this standard) | SN/T 0739-1997 | | Quoted Standard | SN/T 0188.2; SN/T 1323; SN/T 2412.3; SN/T 2412.4 | | Regulation (derived from) | National Quality Inspection (2012) 777; industry standard filing Notice 2013 No. 4 (No. 160 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the test based on import and export Longitudinal, inspection contents and methods of test results to determine the like. This standard applies to low pressure liquid delivery, engineering structures such as straight seam welded ste | SN/T 3356-2012: Rules for the inspection of longitudinal welded steel pipes for import and export
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Rules for the inspection of longitudinal welded steel pipes for import and export
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Instead of the SN/T 0739-1997
Longitudinal inspection of import and export
Issued on. 2012-12-12
2013-07-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Instead of the standard SN/T 0739-1997 "export galvanized welded thin-walled steel pipe inspection procedures."
This standard compared with SN/T 0739-1997, the main technical changes are as follows.
--- Increased import content inspection.
--- In addition to the increase of other Longitudinal galvanized welded thin-walled steel pipe;
--- Increased test basis, test content and methods in Appendices A and B;
--- Remove the sampling, testing, unqualified disposal and Appendix A;
--- Modify the test results to determine.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. Tianjin People's Republic of China Exit Inspection and Quarantine.
The main drafters of this standard. Zhu Jinbo, Zhao Jiangyong, book Hou Jian, Li Xuejun, FU Zhi-Qiang, Yao Jiu-hong.
This standard replaces the standards previously issued as follows.
--- SN/T 0739-1997.
Longitudinal inspection of import and export
1 Scope
This standard specifies the test based on the import and export Longitudinal, test content and methods, test results to determine the like.
This standard applies to low pressure liquid delivery, engineering structures and other straight seam welded steel pipe inspection.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
SN/T 0188.2 Import and Export weight survey by scale procedures - Part 2. General weight survey by scale
SN/T 1323 sampling procedures and export of metal materials
SN/T 2412.3 General inspection of import and export steel products - Part 3. Sampling location and size
SN/T 2412.4 General inspection of import and export steel products - Part 4. sample preparation requirements
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Inspection batch declarationlot
With the same number of import and export inspection Longitudinal.
3.2
Inspection Lot inspectionlot
The same batch inspection by the same production plant and at the same time the delivery of the same variety with the specifications of the pipe.
3.3
First test initialinspection
First inspection by a specific method of test batches.
3.4
Reinspection reinspection
On the basis of early experience on inspection of the original consignment predetermined proportion of the expanded sample.
4 test basis
Importers Longitudinal test basis including mandatory requirements, technical regulations, trade contracts and technical specifications of the relevant national standards. often
See Appendix A. Longitudinal product standards
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