GB/T 32158-2025 Active National standards

GB/T 32158-2025 Coal-based needle coke

GB/T 32158-2025 Coal-based needle coke

Publish Date: 2025-04-25 Implement Date: 2025-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 32158-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Coke

ICS Name: Solid fuel

Publish Date: 2025-04-25

Implement Date: 2025-08-01

Pages: 12 pages

Scope

This document specifies the technical requirements, inspection rules, packaging, transportation, storage, and quality certificates for coal-derived needle coke, and describes the test methods.
This document is applicable to needle coke made from coal tar as a raw material, which is produced through pre-treatment of the raw material and delayed coking equipment, and then processed by high-temperature calcination.

Development Information

Word Count: 12 Thousand words Pages: 12 pages

Replace the following standards

GB/T 32158-2015 Coal-based needle coke

Referenced Standards

GB/T 1429-2009 Carbon materials—Determination of the ash content GB/T 1429-1985 Carbon materials--Determination of the ash content GB/T 1997-1989 Coke—Sampling and preparation of samples GB/T 1997-2008 Coke—Sampling and preparation of samples GB/T 2001-2013 Coke—Determination of proximate analysis GB/T 3074.4-2003 Method for the determination of the coefficient of thermal expansion of graphite electrodes GB/T 3074.4-2016 Method for the determination of the coefficient of thermal expansion of graphite electrodes GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 8718-1988 The terms of carbon materials GB/T 8718-2008 The terms of carbon materials GB/T 21354-2008 Powders—Determination of tap density GB/T 24203-2009 Carbon materials—Determination of the true density or true poroous—Boiling method GB/T 24203-2024 Method for determination of bulk density,true density,true porosity and oppen porosity of carbon materials GB/T 24521-2009 Method for the determination of specific resistance of coke GB/T 24521-2018 Method for the determination of specific resistance of carbon raw materials and coke GB/T 24526-2009 Carbon materials—Determination of the total sulphur content GB/T 37588-2019 Carbon materials—Determination of nitrogen content—Dumas combustion method YB/T 5189-2000 The determination of volatile matter content in carbon material YB/T 5189-2022 The determination of volatile matter in carbon materials YB/T 5189-2007 The determination of volatile matter content in carbon material YB/T 6049-2022 Method for determining the tensile strength index of needle-like graphite residue YB/T 6194-2024 YB/T 6194-2024 Density measurement of needle coke by using naphtha displacement method GB/T 1429-2025 Proximate analysis of carbon materials

Related Standards

GB/T 1998-1980 abolished_transferred

GB/T 1998-1980 Sampling and preparation of samples of petroleum cokes

Publish Date: 1980-08-15

GB/T 4511.1-1984 Replaced

GB/T 4511.1-1984 Coke—Determination of show porosity

Publish Date: 1984-06-28

GB/T 4511.3-1984 Replaced

GB/T 4511.3-1984 Coke—Determination of apparent relative density and total porosity

Publish Date: 1984-06-28

GB/T 4511.4-1984 Replaced

GB/T 4511.4-1984 Coke—Determination of true relative density

Publish Date: 1984-06-28

GB/T 8729-1988 Replaced

GB/T 8729-1988 Foundry coke

Publish Date: 1988-02-22

GB/T 9977-1988 Replaced

GB/T 9977-1988 The terms of coking products

Publish Date: 1988-10-26