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GB/T 24590-2021 English PDF

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GB/T 24590-2021: Enhanced tubes for efficient heat exchanger
Status: Valid

GB/T 24590: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 24590-2021339 Add to Cart 4 days Enhanced tubes for efficient heat exchanger Valid
GB/T 24590-2009679 Add to Cart 3 days Enhanced tubes for efficient heat exchanger Obsolete

Similar standards

GB/T 24187   GB/T 24591   GB/T 24593   

Basic data

Standard ID: GB/T 24590-2021 (GB/T24590-2021)
Description (Translated English): Enhanced tubes for efficient heat exchanger
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H48
Word Count Estimation: 18,197
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 24590-2021: Enhanced tubes for efficient heat exchanger

---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.
Enhanced tubes for efficient heat exchanger ICS 77.140.75 H48 National Standards of People's Republic of China Replace GB/T 24590-2009 Special tube for high efficiency heat exchanger Released on 2021-03-09 2022-02-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Ordering content 2 5 Classification and code 2 6 Dimensions, appearance and weight 3 7 Technical requirements 9 8 Test method 10 9 Inspection rules 11 10 Packaging, marking and quality certificate 11 11 Transportation and storage 12 Appendix A (informative appendix) Recommended grades of commonly used special pipe base pipe materials 13

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 24590-2009 "Special Tubes for High-Efficiency Heat Exchangers", and the main technical changes compared with GB/T 24590-2009 as follows. --- Increased the selection range of materials (see Chapter 1 and 7.1.2, Chapter 1 and 6.1.1 of the.2009 edition); ---Added the types of channel pipes and related technical requirements (see 3.6, 5.1, 5.2, 6.4 and 7.4.3); ---Added spiral flat tube and related technical requirements (see 3.7, 5.1 and 6.5); ---Added the order content of special tube (see Chapter 4); ---The size and allowable deviation of the bellows have been modified (see 6.1, 5.2 in the.2009 edition); ---Modified the size specifications and allowable deviations of internal wave external threaded pipes (see 6.2, 5.3 of the.2009 edition); ---Modified T-slot tube size specifications and allowable deviations (see 6.3, 5.1 in the.2009 edition); ---Modified the size specifications and allowable deviations of the channel pipe (see 6.4, 5.4 of the.2009 edition); ---Added the manufacturing method of special tube (see 7.2); ---Modified the delivery status of special tubes (see 7.3, 6.2 of the.2009 edition); ---Deleted the mechanical performance requirements (see 6.3 of the.2009 edition); ---Modified the compactness test requirements (see 7.4, 6.4 and 6.5 in the.2009 edition); ---Added the eddy current testing requirements for compactness (see 7.4.3); ---Modified non-ferrous metal material penetration testing requirements (see 7.5, 6.6 in the.2009 edition); ---Modified the storage requirements (see 11.2, 10.2 in the.2009 edition). This standard was proposed by the China Iron and Steel Industry Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). Drafting organizations of this standard. Jiangsu Zhongsheng Pressure Vessel Equipment Manufacturing Co., Ltd., Nanjing Boiler and Pressure Vessel Inspection and Research Institute, Sinopec Ningbo Engineering Co., Ltd., Hunan Xiangtou Jintian New Materials Co., Ltd., Metallurgical Industry Information Standards Research Institute. The main drafters of this standard. Guo Hongxin, Liu Feng, Yecheng, Guo Wenyuan, Xie Yi, Dong Li, Lian Mianyan, Cui Qiang, Liu Shiping, Jiang Jun, Li Qi. The previous versions of the standard replaced by this standard are as follows. ---GB/T 24590-2009. Special tube for high efficiency heat exchanger

1 Scope

This standard specifies the terms and definitions, order content, classification and code, size, shape, weight, and technical requirements of special tubes for high-efficiency heat exchangers. Requirements, test methods, inspection rules, packaging, marking, quality certificates, transportation and storage. This standard applies to high-quality carbon structural steels, austenitic stainless steels, duplex stainless steels, nickel and nickel alloys, titanium and titanium alloys for high-efficiency heat exchangers. Corrugated pipes made of gold, zirconium and zirconium alloys, copper and copper alloys, aluminum and aluminum alloys and nickel-copper alloys, internal waves and externally threaded pipes, T-slot pipes, channel pipes and Special-shaped tubes such as spiral flat tubes (hereinafter referred to as "special-shaped tubes").

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 241 Metal pipe hydraulic test method GB/T 2102 Acceptance, packaging, marking and quality certificate of steel pipe GB/T 2882 Nickel and nickel alloy tube GB/T 3199 Packaging, marking, transportation and storage of aluminum and aluminum alloy processed products GB/T 3625 Titanium and titanium alloy tubes for heat exchangers and condensers GB/T 4436 Aluminum and aluminum alloy pipe dimensions and allowable deviation GB/T 6479 Seamless steel pipes for high-pressure fertilizer equipment GB/T 6893 Aluminum and aluminum alloy drawn (rolled) seamless pipe GB/T 7735-2016 Seamless and welded (except submerged arc welding) automatic eddy current detection of steel pipe defects GB/T 8180 Packaging, marking, transportation and storage of processed titanium and titanium alloy products GB/T 8888 Packaging, marking, transportation, storage and quality certificate of heavy non-ferrous metal processing products GB/T 8890 Copper alloy seamless pipe for heat exchanger GB/T 9948 Seamless steel pipe for petroleum cracking GB/T 13296 Stainless steel seamless steel tubes for boilers and heat exchangers GB/T 21832.1 Austenitic-ferritic duplex stainless steel welded steel pipe Part 1.Heat exchange pipe GB/T 21833 Austenitic-ferritic duplex stainless steel seamless steel tube GB/T 24593 Austenitic stainless steel welded steel pipes for boilers and heat exchangers GB/T 26283 Zirconium and zirconium alloy seamless pipe GB/T 26314 Zirconium and zirconium alloy grades and chemical composition JB/T 4742 Nickel-copper alloy seamless pipe for pressure vessel NB/T 47013.5 Non-destructive testing of pressure equipment-Part 5.Penetration testing

3 Terms and definitions

The following terms and definitions apply to this document.
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