Specifies a method for the determination of the refractory products at elevated temperatures, under conditions of a constant rate of increase of stress. A method for determination of the same property at ambient temperature is given in ISO 5014. The modulus of rupture is the ratio of the bending moment at the point of failure to the moment of resistance (the section modulus). It is calculated from an equation which is derived from Hooke' s Law for elastic materials.
PUBLISHED
ISO 5013:1985
IN_DEVELOPMENT
ISO/DIS 5013
40.20
DIS ballot initiated: 12 weeks
Jan 7, 2026
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