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GB/T 13465.10-2024: Test method of impermeable graphite materials - Part 10: Tensile strength
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Test method of impermeable graphite materials - Part 10: Tensile strength
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GB/T 13465.10-2024
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Basic data | Standard ID | GB/T 13465.10-2024 (GB/T13465.10-2024) | | Description (Translated English) | Test method of impermeable graphite materials - Part 10: Tensile strength | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G94 | | Classification of International Standard | 71.120 | | Word Count Estimation | 18,136 | | Date of Issue | 2024-09-29 | | Date of Implementation | 2025-04-01 | | Older Standard (superseded by this standard) | GB/T 21921-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 13465.10-2024: Test method of impermeable graphite materials - Part 10: Tensile strength---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.
ICS 71.120
CCSG94
National Standard of the People's Republic of China
Replace GB/T 21921-2008
Test methods for impermeable graphite materials
Part 10.Tensile strength
Released on 2024-09-29
2025-04-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Test equipment and instruments 1
5 Sample 5
6 Test steps 8
7 Result calculation 8
8 Test Report 9
Appendix A (Informative) Method for preparing tensile strength test specimens of impermeable graphite tubes 10
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 for standardization documents"
Drafting.
This document is part 10 of GB/T 13465 "Test methods for impermeable graphite materials". GB/T 13465 has been published for the following
part.
--- Test methods for impermeable graphite materials Part 1.General;
--- Test methods for impermeable graphite materials - Part 2.Flexural strength;
--- Test methods for impermeable graphite materials - Part 3.Compressive strength;
--- Test methods for impermeable graphite materials - Part 4.Impact strength;
---Test method for shrinkage of impermeable graphite phenolic adhesive;
--- Test method for hydraulic bursting of impermeable graphite tube;
--- Test method for weight gain and pore filling rate of impermeable graphite;
--- Test method for bond shear strength of impermeable graphite adhesive;
--- Test method for tensile strength of impermeable graphite adhesive bonds;
--- Test methods for impermeable graphite materials - Part 10.Tensile strength;
--- Test methods for impermeable graphite materials. Part 12.Thermal conductivity.
This document replaces GB/T 21921-2008 "Test method for tensile strength of impermeable graphite materials" and is consistent with GB/T 21921-2008.
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The scope of application of the document has been changed (see Chapter 1, Chapter 1 of the.2008 edition);
b) Added the requirements for the fixture for tensile strength test (see 4.2);
c) Added the performance requirements for heating boxes, temperature measuring instruments and thermocouples used in high temperature tensile strength tests of impermeable graphite materials (see 4.4,
4.5, 4.6);
d) The structural type and size of the tensile strength test specimen of impermeable graphite block have been changed (see 5.2, 5.2.1 of the.2008 edition);
e) The structural type and size of the tensile strength test specimen of impermeable graphite tube have been changed (see 5.3, 5.2.2 of the.2008 edition);
f) The structural type and calculation method of tensile strength test specimens for adhesive castings have been deleted (see 5.2.3 and 7.1.3 of the.2008 edition);
g) Added the requirements for the straightness of graphite tubes used to make tensile strength specimens of impermeable graphite tubes (see 5.4);
h) Added the requirement that the specimen and the fixture surface fit closely together (see 6.2.1, 6.2.3);
i) Added the high temperature tensile strength test procedure for impermeable graphite materials (see 6.3).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Non-metallic Chemical Equipment (SAC/TC162).
This document was drafted by. Nantong Planet Graphite Co., Ltd., Nantong Jingtong Graphite Equipment Co., Ltd., Guangzhou Special Equipment Testing and Research Institute
Institute, Nantong Shanjian Anti-corrosion Technology Co., Ltd., Nantong Best Graphite Equipment Co., Ltd., Guizhou Special Equipment Inspection and Testing Institute, Guizhou Lanzhou
Xinshimo Electromechanical Equipment Manufacturing Co., Ltd., Jiangsu Special Equipment Safety Supervision and Inspection Institute, Zhejiang Huarong Technology Co., Ltd., Tianhua Chemical
Industrial Machinery and Automation Research and Design Institute Co., Ltd.
The main drafters of this document are. Sun Jianjun, Chen Hanjun, Xin Mingliang, Xiao Jie, Shen Yike, Mo Weixian, Yang Ying, He Hua, Chen Guitang, Yin Jing, Yang Jun,
Zhang Louhong, Xie Yimei, He Jiale, Zhou Zhiqiang, Qu Lei, Han Yong, Xiao Lijuan, He Zhengwen, and Sang Linchun.
This document was first published in.2008 and this is the first revision.
Introduction
GB/T 13465 aims to accurately measure the mechanical properties, permeability and thermal conductivity of impermeable graphite materials used in chemical production.
It consists of 12 parts.
--- Part 1.General. The purpose is to provide basic requirements and principles for the performance testing of impermeable graphite materials.
--- Part 2.Flexural strength. The purpose is to provide a scientific, accurate and reliable test method for the flexural strength of impermeable graphite materials.
--- Part 3.Compressive strength. The purpose is to provide a scientific, accurate and reliable test method for the compressive strength of impermeable graphite materials.
--- Part 4.Impact strength. The purpose is to provide a scientific, accurate and reliable test method for the impact strength of impermeable graphite materials.
--- Part 5.Phenolic adhesive shrinkage. The purpose is to provide scientific, accurate and reliable impermeable graphite phenolic adhesive shrinkage
Rate testing method.
--- Part 6.Graphite tube hydraulic bursting. The purpose is to provide scientific, accurate and reliable test methods for the hydraulic bursting performance of impermeable graphite tubes.
Test method.
--- Part 7.Weight gain and pore filling rate. The purpose is to provide scientific, accurate and reliable measurement of weight gain and pore filling rate of impermeable graphite.
Try method.
--- Part 8.Adhesive bond shear strength. The purpose is to provide scientific, accurate and reliable impermeable graphite adhesive bond shear strength.
Shear strength test method.
--- Part 9.Adhesive bond tensile strength. The purpose is to provide scientific, accurate and reliable impermeable graphite adhesive bond tensile strength.
Tensile strength test method.
--- Part 10.Tensile strength. The purpose is to provide a scientific, accurate and reliable test method for the tensile strength of impermeable graphite materials.
--- Part 11.Permeability coefficient. The purpose is to provide a scientific, accurate and reliable test method for the permeability coefficient of impermeable graphite materials.
--- Part 12.Thermal conductivity. The purpose is to provide a scientific, accurate and reliable test method for thermal conductivity of impermeable graphite materials.
Tensile strength is one of the most important performance parameters of impermeable graphite materials and is essential for the design and calculation of impermeable graphite pressure vessels.
With a few parameters, the tensile strength of the material can be accurately tested, which is very important for ensuring the pressure-bearing safety of impermeable graphite equipment, reducing manufacturing costs and improving product quality.
It is of great significance.
Test methods for impermeable graphite materials
Part 10.Tensile strength
1 Scope
This document describes the test method for the tensile strength of impermeable graphite materials.
This document is applicable to the determination of tensile strength of impermeable graphite materials at test temperatures below 400°C.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 13465.1 Test methods for impermeable graphite materials Part 1.General
3 Terms and definitions
The terms and definitions defined in GB/T 13465.1 apply to this document.
4.Test equipment and instruments
4.1 Tensile testing machine
The tensile testing machine shall comply with the requirements of GB/T 13465.1.
4.2 Fixture
4.2.1 The fixture material should be normalized and tempered 15CrMoR, or other high temperature resistant metals that do not deform under test conditions.
Material.
4.2.2 The connection between the fixture and the specimen is shown in Figure 1.
4.2.3 The structural type, main dimensions and deviations of the fixture used for testing the tensile strength of impermeable graphite blocks shall comply with the requirements of Figure 2.
4.2.4 The structural type, main dimensions and deviations of the fixture used for testing the tensile strength of impermeable graphite tube specimens shall comply with the requirements of Figure 3.
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