GB/T 35922-2018 English PDF

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GB/T 35922-2018: Technical specifications of impervious graphite to impermeable and corrosion
Status: Valid

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Basic data

Standard ID: GB/T 35922-2018 (GB/T35922-2018)
Description (Translated English): Technical specifications of impervious graphite to impermeable and corrosion
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q50
Classification of International Standard: 59.100
Word Count Estimation: 22,280
Date of Issue: 2018-02-06
Date of Implementation: 2018-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 35922-2018: Technical specifications of impervious graphite to impermeable and corrosion

---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.
Technical specifications of impervious graphite to impermeable and corrosion ICS 59.100 Q50 National Standards of People's Republic of China Impermeable graphite impregnation corrosion resistance technical specifications 2018-02-06 released 2018-09-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 technical requirements 2 4.1 General requirements 2 4.2 Materials and Equipment 2 4.3 impregnation, heat treatment operations 2 5 inspection and acceptance 3 6 Marking, storage and management 3 Appendix A (Normative) Graphite element impregnation procedures 4 Appendix B (Normative) Immersion Process Evaluation Report 6 Appendix C (Normative) impregnation process instructions 14 Appendix D (Normative) Impregnation process assessment 15 Appendix E (Normative) Impregnating agent properties and preparation 16 Appendix F (informative) impregnation process record table 18 Appendix G (informative) heat treatment record table 19

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Petroleum and Chemical Industry Federation. This standard by the National Standardization Technical Committee Corrosion (SAC/TC381) centralized. This standard was drafted. Jiangsu Juxin Environmental Protection and Energy Saving Co., Ltd., Nantong Star Graphite Equipment Co., Ltd., corrosion in the International Anti-corrosion Technology Institute (Beijing) Co., Ltd., Nantong Mountain Sword Graphite Equipment Co., Ltd. (Nantong Graphite Equipment Design Institute), Nantong Beijing Tong graphite equipment Co., Ltd., Guizhou Lanxin graphite mechanical and electrical equipment Manufacturing Co., Ltd., Nantong long letter Graphite Technology Development Co., Ltd., Nantong Xin Bao graphite equipment Co., Ltd., Nantong Sanxin Carbon Graphite Equipment Co., Ltd., China Industrial Anticorrosion Technology Association, Tatung Yu Linde Graphite Equipment Co., Ltd. Division, Jilin Stone preservative equipment limited liability company. The main drafters of this standard. Qiu Xiaofeng, Xia Bin, Yao Jian, Chen Hanming, Liu Fuyun, Wang Guiming, Yang Ying, Zhang Yi, Liu is still ceremony, Zhang Yuxia, Wu Chunsen, Qian Weibing, Zhang Huibing, Chen Shilin, Ning Yonglin. Impermeable graphite impregnation corrosion resistance technical specifications

1 Scope

This standard specifies the technical requirements for impregnation and corrosion of graphite components, inspection and acceptance, marking, storage and management. This standard applies to the following impermeable graphite graphite device impregnation operation. a) The maximum working pressure ≤ 2.4MPa; b) graphite wall temperature between -70 ℃ ~ 400 ℃. This standard does not apply to the following graphite containers. a) Graphite vessels in nuclear installations; b) Casting graphite equipment.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 13465.1 impermeable graphite material test methods - Part 1. General test methods for mechanical properties GB/T 13465.2 Test methods for impermeable graphite materials - Part 2. Flexural strength GB/T 13465.3 Test methods for impermeable graphite materials - Part 3. Compressive strength GB/T 13465.7 impermeable graphite weight gain rate and filling rate test method Tensile test method for impermeable graphite materials Standard Test Method for Weight Gain and Fill Rate of HG/T 2060 Impregnated Graphite

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Impervious graphite imperviousgraphite The current industrial level (maximum working pressure ≤ 2.4MPa, -70 ℃ ~ 400 ℃ under the conditions) does not penetrate gas and liquid graphite materials. Note. impregnated graphite, pressure (including extrusion and molding) graphite, graphite and graphite composite casting. 3.2 Impregnated graphite impregnatedgraphite An organic or inorganic liquid material (impregnating agent) is pressed into the void of the graphite material to be cured. Note. Common phenolic impregnated graphite, furan impregnated graphite, PTFE impregnated graphite, water glass impregnated graphite. 3.3 Impregnation agent impregnationagent Materials used to impregnate pores of carbon or graphite materials and impermeable to carbon or graphite materials by a curing process. ......

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