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GB/T 3074.2-2024 English PDF

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Q: Should I purchase the latest version GB/T 3074.2-2024?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3074.2-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 3074.2-2024: The test method for elastic modulus of carbon materials
Status: Valid

GB/T 3074.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3074.2-2024	209	Add to Cart	3 days	The test method for elastic modulus of carbon materials	Valid
GB/T 3074.2-2008	149	Add to Cart	2 days	Method for the determination of the elastic modulus of graphite electrodes	Valid
GB/T 3074.2-1982	199	Add to Cart	2 days	Method for determination of the elastic modulus of graphite electrodes	Obsolete

Similar standards

GB/T 3074.1 GB/T 8721 GB/T 1431 GB/T 3074.4 GB/T 3074.3

Basic data

Standard ID: GB/T 3074.2-2024 (GB/T3074.2-2024)
Description (Translated English): The test method for elastic modulus of carbon materials
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q50
Classification of International Standard: 29.050
Word Count Estimation: 10,113
Date of Issue: 2024-09-29
Date of Implementation: 2025-04-01
Older Standard (superseded by this standard): GB/T 3074.2-2008,GB/T 24210-2009
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 3074.2-2024: The test method for elastic modulus of carbon materials

---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.
The test method for elastic modulus of carbon materials Determination method of elastic modulus of carbon materials ICS 29.050 CCS Q50 National Standard of the People's Republic of China Replaces GB/T 3074.2-2008, GB/T 24210-2009 Released on 2024-09-29 2025-04-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

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 is required. This document is Part 2 of GB/T 3074.GB/T 3074 has published the following parts. Determination method of flexural strength of carbon materials (GB/T 3074.1); Determination method of elastic modulus of carbon materials (GB/T 3074.2); - Determination of oxidizability of graphite electrode (GB/T 3074.3); Determination method of coefficient of thermal expansion (CTE) of graphite electrode (GB/T 3074.4). - This document replaces GB/T 3074.2-2008 "Determination of elastic modulus of graphite electrode" and GB/T 24210-2009 "Integral graphite Electrode elastic modulus test sound velocity method", compared with GB/T 3074.2-2008 and GB/T 24210-2009, this document has In addition to the integration and editorial changes, the main technical content changes are as follows. The scope of application of the standard has been changed to apply to the determination of elastic modulus of carbon materials (see Chapter 1, GB/T 3074.2-2008 Chapter 1); a) Added terms and definitions (see Chapter 3); b) Added the preparation method of isostatic graphite and other carbon material samples (see 4.1.3.2 and 4.1.3.3); c) Added the pulse excitation method for determining the elastic modulus of carbon materials (see 4.3). d) 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 Iron and Steel Association. This document is under the jurisdiction of the National Technical Committee on Steel Standardization (SAC/TC 183). This document was drafted by. Kaifeng Pingmei New Carbon Material Technology Co., Ltd., Zhengxiangbai Banner Nuojin Carbon Technology Co., Ltd., Jiangxi Ningxin New Materials Co., Ltd., Henan Shoucheng Technology New Materials Co., Ltd., Shanxi Juxian Graphite New Materials Co., Ltd., Metallurgical Industry Information Standard Quasi-research institute. The main drafters of this document are. Li Xinping, Lu Peizhong, Zheng Jianhua, Zhang Xiangjun, Tian Jiali, Wang Zhanfeng, Qiao Yadong, Wang Xiaoyuan, Kang Jincai, Dong Zengliang, Li Haihang, Zhang Xiaoming, Ma Wei, Yu Quanhao, Deng Congxiu, Jiang Fei, Xu Hui. The previous versions of the documents replaced by this document are as follows. ─GB/T 3074.2-1982, GB/T 3074.2-2008; ─GB/T 24210-2009.

Introduction

GB/T 3074 aims to standardize the determination methods of relevant technical indicators of carbon materials and is intended to consist of the following four parts. Part 1.Method for determination of flexural strength of carbon materials. The purpose is to standardize the determination of flexural strength of carbon materials. Part 2.Determination of elastic modulus of carbon materials. The purpose is to standardize the determination of elastic modulus of carbon materials. Part 3.Determination of the oxidizability of carbon materials. The purpose is to standardize the determination of the oxidizability of carbon materials. Part 4.Determination method of thermal expansion coefficient (CTE) of carbon materials. The purpose is to standardize the thermal expansion coefficient of carbon materials. Determination. Determination method of elastic modulus of carbon materials

1 Scope

This document describes the determination method and test report of elastic modulus of carbon materials. This document is applicable to the determination of elastic modulus of carbon materials at room temperature.

2 Normative references

The contents of the following documents constitute the 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. in this document. GB/T 1427 Sampling methods for carbon materials GB/T 8170 Rules for rounding off values and expression and determination of limit values GB/T 8718 Terminology of Carbon Materials

3 Terms and definitions

The terms and definitions defined in GB/T 8718 apply to this document. 4.Determination methods 4.1 Method 1.Resonance method 4.1.1 Principle The transmitting sensor converts the electrical signal into a vibration signal to drive the sample, which is then received and converted into an electrical signal by the receiving sensor. The graph formed by the signal on the oscilloscope is used to obtain the natural frequency of the sample and the elastic modulus of the sample is calculated. 4.1.2 Instruments and equipment 4.1.2.1 Exciter. Electrical energy/mechanical energy used to excite the resonance of the specimen. 4.1.2.2 Receiver. Mechanical energy/electrical energy, used to receive the resonance signal of the sample. 4.1.2.3 Driving circuit. provides audio sinusoidal electrical signals. 4.1.2.4 Detection circuit. Amplifies and displays the electrical signal from the receiver. 4.1.2.5 Specimen holder. for placing specimens. 4.1.2.6 Vernier caliper. measuring range 0 mm to.200 mm, graduation value 0.02 mm. 4.1.2.7 Air drying oven. room temperature ~.200 ℃. 4.1.2.8 Balance. graduation value 0.01 g. 4.1.3 Test specimen 4.1.3.1 Graphite electrode samples Sampling and processing shall be carried out in accordance with the provisions of GB/T 1427. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 3074.2-2024_English be delivered?

Answer: Upon your order, we will start to translate GB/T 3074.2-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 3074.2-2024_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 3074.2-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 3074.2-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3074.2-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.