MT/T 229-2025 Active Industry standards-Coal

MT/T 229-2025 General specifications of instrument for the determination of the crucible swelling number—electrical heating of bituminous coal

MT/T 229-2025 General specifications of instrument for the determination of the crucible swelling number—electrical heating of bituminous coal

Publish Date: 2025-06-30 Implement Date: 2025-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: MT/T 229-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Coal analysis methods

ICS Name: \nCoal

Publish Date: 2025-06-30

Implement Date: 2025-12-30

Pages: 16 pages

Scope

This document specifies the technical requirements, inspection methods, inspection rules, marking and packaging, transportation and storage, etc. of the electric heating method for measuring the expansion series of bituminous coke crucibles.
This document is applicable to the electric heating method for measuring the expansion series of bituminous coke crucibles (hereinafter referred to as the "determination instrument").

Development Information

Word Count: 15 Thousand words Pages: 16 pages

Replace the following standards

MT/T 229-2005 General specifications of instrument for the determination of the crucible swelling number of bituminous coal-electrical heating

Referenced Standards

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 483-1998 General rules for analytical and testing methods of coal GB/T 483-2007 General rules for analytical and testing methods of coal GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 5448-1997 Determination of the crucible swelling number of bituminous coal—Electrical heating GB/T 5448-2014 Determination of the crucible swelling number of bituminous coal—Electrical heating method GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 15479-1995 Technical requirements and test methods of insulation resistance and insulating strength for use in industrial process measurement and control instruments GB/T 18153-2000 Safety of machinery—Temperatures of touchable surfaces—Ergonomics data to establish temperature limit values for hot surfaces GB/T 18153-2024 Safety of machinery—Safety data to establish temperature limit values for touchable hot surfaces

Related Standards

GB 5751-1986 Replaced

GB 5751-1986 Classification of Chinese coals

Publish Date: 1986-01-09

GB 481-1993 abolished_transferred

GB 481-1993 Sampling method of coal sample for production

Publish Date: 1993-02-19

GB/T 15223-1994 Replaced

GB/T 15223-1994 Plastics—Liquid resins—Determination of density by the pyknometer method

Publish Date: 1994-09-24

GB/T 15224.1-1994 Replaced

GB/T 15224.1-1994 Classification for quality of coal—Classification for ash yield of coal

Publish Date: 1994-09-24

GB/T 15224.2-1994 Replaced

GB/T 15224.2-1994 Classification for quality of coal—Classification for sulphur content of coal

Publish Date: 1994-09-24

GB/T 15224.3-1994 Replaced

GB/T 15224.3-1994 Classification for quality of coal—Classification for calorific value of coal

Publish Date: 1994-09-24