GB/T 2007.1-1987
Active
NB/T 11540-2024
Active
Industry standards-Energy
NB/T 11540-2024 Methods for the determination of coal and rock abrasion resistance
NB/T 11540-2024 Methods for the determination of coal and rock abrasion resistance
Price:
$ 36
Basic Information
Standard Code:
NB/T 11540-2024
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Health, safety, and labor protection
ICS Name:
Mining and mineral products comprehensive
Publish Date:
2024-05-24
Implement Date:
2024-11-24
Pages:
8 pages
Scope
This document specifies the instruments and equipment, samples, test and measurement procedures for determining the wear resistance of coal and rocks, as well as the wear resistance index and grading of coal and rocks.
This document is applicable to the wear resistance tests of coal and rocks in the physical and mechanical property tests of coal and rocks.
Development Information
Referenced Standards
Related Standards
GB/T 2007.2-1987
Active
GB/T 2007.2-1987 General rules for the sampling and sample preparation of minerals in bulk Sample preparation by manual method
GB/T 2007.3-1987
Active
GB/T 2007.3-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for evaluation of quality variation
GB/T 2007.4-1987
Replaced
GB/T 2007.4-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental methods for checking the precision
GB/T 2007.5-1987
Replaced
GB/T 2007.5-1987 General rules for the sampling and sample preparation of minerals in bulk—Experimental method for checking the bias of sampling
GB/T 2007.6-1987
Active