MT/T 264-2025 Active Industry standards-Coal

MT/T 264-2025 Method for Vickers microhardness of coal

MT/T 264-2025 Method for Vickers microhardness of 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 264-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: \nCoal rock

ICS Name: \nCoal

Publish Date: 2025-06-30

Implement Date: 2025-12-30

Pages: 12 pages

Scope

This document specifies the method outline, equipment and materials, samples, instrument calibration, determination of measurement points, measurement steps, result presentation, and test reports for the determination of micro-Vickers hardness of coal.
This document is applicable to the determination of micro-Vickers hardness of bituminous coal and anthracite. For lignite, it can be used for reference.

Development Information

Word Count: 10 Thousand words Pages: 12 pages

Replace the following standards

MT 264-1991 The method for determining the microhardness of coal

Referenced Standards

GB/T 4340.2-1999 Metallic vickers hardness test—Part 2:Verification of hardness testers GB/T 4340.2-2012 Metallic materials—Vickers hardness test—Part 2:Verification and calibration of testing machines GB/T 4340.2-2025 Metallic materials—Vickers hardness test—Part 2:Verification and calibration of testing machines GB/T 15588-2001 Classification of macerals for bituminous coal GB/T 15588-2013 Classification of macerals for bituminous coal GB/T 16773-1997 Method of preparing coal samples for the coal petrographic analysis GB/T 16773-2008 Method of preparing coal samples for the coal petrographic analysis

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