GB/T 37308-2019 English PDF

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GB/T 37308-2019: Oil-based needle coke
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37308-2019	119	Add to Cart	3 days	Oil-based needle coke	Valid

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Basic data

Standard ID: GB/T 37308-2019 (GB/T37308-2019)
Description (Translated English): Oil-based needle coke
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q52
Classification of International Standard: 29.050
Word Count Estimation: 6,674
Date of Issue: 2019-03-25
Date of Implementation: 2020-02-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37308-2019: Oil-based needle coke

---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.
Oil-based needle coke ICS 29.050 Q52 National Standards of People's Republic of China Oil-based needle coke Published on.2019-03-25 2020-02-01 Implementation State Administration for Market Regulation Released by the Standardization Administration of China

foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183). This standard was drafted by. Shandong Yida New Materials Co., Ltd., China National Petroleum Corporation Jinzhou Petrochemical Branch, Shanghai Shanshan Technology Co., Ltd., Fangda Carbon New Material Technology Co., Ltd., Shenzhen Betterray New Energy Materials Co., Ltd., Shandong 83 Graphite New Material Factory, Shanxi Jinyang Carbon Co., Ltd., Datong Xincheng New Material Co., Ltd., Datong Tengyang Technology Co., Ltd., Metallurgical Institute of Industrial Information Standards. The main drafters of this standard. Peng Li, Xu Jincheng, Han Zhaoxian, Liu Tao, Li Junshu, Kong Chunhua, Wang Yuhao, Zheng Jingxu, Hu Bo, Ding Xiaoyang, Wu Zhihong, Li Changping, Liu Bingqiang, Chen Nanmin, Zhou Haihui, Zhao Jian, Guo Wenling, Duan Xueliang, Wu Jianguo, Zhang Peilin, Gao Yang. Oil-based needle coke

1 Scope

This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, marking, storage, transportation and quality of oil-based needle coke quantity certificate. This standard is applicable to calcined needle coke produced by raw material pretreatment and delayed coking with aromatic hydrocarbon-containing heavy oil as raw material, and Calcined calcined needle coke can be used as a raw material for graphite electrodes, anode materials for lithium ion batteries, and special carbon products.

2 Normative references

The following documents are essential for the application of this document. 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 387 Determination of sulfur content in dark petroleum products (tube furnace method) GB/T 1429 Determination method of ash content of carbon materials Collection and preparation of GB/T 1997 coke samples GB/T 2001 Industrial Analysis and Determination Method of Coke GB/T 2286 Determination method of total sulfur content of coke GB/T 3074.4 Determination of Coefficient of Thermal Expansion (CTE) of Graphite Electrodes GB/T 8170 Numerical Rounding Rules and Representation and Judgment of Limit Values GB/T 8719 General regulations for packaging, marking, storage, transportation and quality certificates of carbon materials and their products GB/T 19227 Determination method of nitrogen in coal GB/T 21354 General method for determination of tap density of powder products GB/T 24526 Determination method of total sulfur content of carbon materials GB/T 32158 Coal Needle Coke YB/T 5189 Determination of volatile matter in carbon materials

3 product categories

According to the use of needle coke, it is divided into three categories, namely, calcined needle coke for lithium ion battery anode materials, and calcined needle coke for lithium ion battery anode materials. Needle coke, calcined needle coke for graphite electrodes. Example 1. 4.3 The technical indicators of calcined oil-based needle coke for graphite electrodes are shown in Table 3. 4.4 When there are special needs, it will be determined by both parties through negotiation.

5 Test methods

5.1 Determination of true density shall be carried out in accordance with the provisions of GB/T 32158. 5.2 The determination of sulfur content shall be carried out in accordance with the provisions of GB/T 24526, GB/T 387 and GB/T 2286, of which GB/T 24526 is the arbitration method. 5.3 Determination of nitrogen content shall be carried out in accordance with the provisions of GB/T 19227. 5.4 Determination of volatile matter shall be carried out in accordance with the provisions of YB/T 5189. 5.5 Determination of ash content shall be carried out in accordance with the provisions of GB/T 1429. 5.6 Determination of dry base moisture shall be carried out in accordance with the relevant regulations in GB/T 2001. 5.7 The preparation of the coefficient of thermal expansion (CTE) sample is carried out in accordance with the provisions of GB/T 32158, and the measurement method is in accordance with the provisions of GB/T 3074.4 conduct. 5.8 The tapped density sample is crushed step by step according to the requirements in GB/T 1997, mixed and reduced to 1kg, and then reduced to 500g by the dichotomy method. The 500g sample is broken into 1mm~2mm (round hole sieve) samples of not less than 150g for testing, and the measurement method is in accordance with GB/T 21354 will be carried out.

6 Inspection Rules

6.1 The quality inspection and acceptance of oil-based needle coke shall be carried out by the quality supervision and inspection department. 6.2 The sampling and preparation of samples shall be carried out in accordance with the provisions of GB/T 1997. 6.3 Take 500t as a batch, and inspect as a batch if it is less than 500t. 6.4 When there are unqualified items in the product, the unqualified items should be re-checked with double samples. If the inspection is qualified, this batch of products is judged to be qualified. If it is still unqualified, the batch of products is unqualified. 6.5 The rounding of numerical values shall be carried out in accordance with the provisions of GB/T 8170. 7 Packaging, marking, storage, transportation and quality certificate 7.1 The packaging, marking, storage, transportation and quality certificate of oil-based needle coke products shall be carried out in accordance with the provisions of GB/T 8719. 7.2 The packaging bag should also be marked. product name, product standard number, batch number, grade, net weight, supplier name, address, etc. 7.3 It should be protected from moisture and rain during transportation. 7.4 It should be stored in a dry, ventilated and cool fixed warehouse with fireproof function. 7.5 Each batch of manufactured products should be accompanied by a quality certificate, which should include. product name, product standard number, batch number, grade, net weight, supplier Name and address, date of manufacture and various test results specified in this standard. ......

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