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SN/T 4367.2-2016: Rules for the inspection of steel pipe for import and export--Part 2: Seamless boiler tubes
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 4367.2-2016 | English | 229 |
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Rules for the inspection of steel pipe for import and export--Part 2: Seamless boiler tubes
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SN/T 4367.2-2016
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Basic data | Standard ID | SN/T 4367.2-2016 (SN/T4367.2-2016) | | Description (Translated English) | Rules for the inspection of steel pipe for import and export--Part 2: Seamless boiler tubes | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | H48 | | Word Count Estimation | 10,188 | | Date of Issue | 2016-08-23 | | Date of Implementation | 2017-03-01 | | Regulation (derived from) | State-Quality-Inspection Accreditation (2016) No. 438 | | Issuing agency(ies) | General Administration of Customs | SN/T 4367.2-2016: Rules for the inspection of steel pipe for import and export--Part 2: Seamless boiler tubes
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Rules for the inspection of steel pipe for import and export--Part 2. Seamless boiler tubes
China's entry-exit inspection and quarantine industry standards
Import and export steel pipe inspection procedures
Part 2. Seamless boiler tubes
Part 2. Seamlessboilertubes
Published on.2016-08-23
2017-03-01 Implementation
China
The State Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
The serial standards of SN/T 4367 "Inspection Rules for Import and Export Steel Pipes" are divided into 8 parts.
--- Part 1. Welded boiler tubes;
--- Part 2. Seamless boiler tubes;
--- Part 3. Oil and gas pipeline seamless pipe;
--- Part 4. Oil and gas pipelines;
--- Part 5. Geological oil drilling seamless pipe;
--- Part 6. Welded steel pipe for low pressure fluid delivery and galvanized welded steel pipe;
--- Part 7. Wire bushings;
--- Part 8. Anisotropic steel pipe.
This section is Part 2 of SN/T 4367.
This section is written in accordance with the requirements of GB/T 1.1-2009.
This part is proposed and managed by the National Certification and Accreditation Regulatory Commission.
This section was drafted by the People's Republic of China Shanghai Entry-Exit Inspection and Quarantine Bureau and the People's Republic of China Zhejiang Entry-Exit Inspection Inspection
Epidemic Bureau.
The main drafters of this section. Li Xiaoming, Shen Yihua, Shao Yiting, Zhang Yan.
Import and export steel pipe inspection procedures
Part 2. Seamless boiler tubes
1 Scope
This part of SN/T 4367 specifies the inspection requirements and implementation procedures for inspection and supervision of seamless boilers for import and export.
This section applies to all kinds of boilers, superheaters, exchangers, heat exchangers and pressure piping and other uses of seamless steel tubes.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
SN/T 0188.2 Procedures for the weighing of import and export commodities weighing instruments Part 2. General rules for weighing instruments
SN/T 1323 Sampling procedures for metal materials for import and export
SN/T 2412.3 General Inspection Regulations for Imports and Exports of Steels Part 3. Sampling Locations and Dimensions
SN/T 2412.4 General Inspection Regulations for Imports and Exports of Steel - Part 4. Preparation Requirements
3 Terms and Definitions
The terms and definitions defined in SN/T 1323, SN/T 2412.3 and SN/T 2412.4 apply to this document.
4 Inspection
4.1 Inspection basis
The content, items and methods of seamless boiler tube inspection shall be based on the national technical regulations, mandatory requirements of technical specifications, trade contracts and
The requirements specified in the product standard of the joint boiler tube shall be determined. See Appendix A for the standard of common seamless boiler tubes.
4.2 Sampling
Sampling according to SN/T 1323 or related product standards.
For laboratory tests, the sampling site and size shall comply with the relevant product standards or SN/T 2412.3.
4.3 On-site inspection
The on-site inspection includes checking whether the names, marks, marks, etc. of seamless boiler tubes are consistent with the declaration documents.
4.4 Appearance Inspection
Visually inspect the surface of the seamless boiler tubes for defects such as cracks, scabs, and folds. Appearance inspection of seamless boiler tube
As a matter of fact, it can be checked with the aid of instruments if necessary.
4.5 Specifications Inspection
Calibrate the outer diameter, wall thickness, length, straightness, roundness, end face, etc. of seamless boiler tubes using calibrated rulers, calipers, and micrometer gauges
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