2013KS L 1591-2013 Fine ceramics(advanced ceramics, advanced technical ceramics) — Test method for flexural strength of monolithic ceramics at room temperature
2008KS L 1591-2008 Fine ceramics(advanced ceramics, advanced technical ceramics)-Test method for flexural strength of monolithic ceramics at room temperature
1994KS L 1591-1994 Testing method for flexural strength(modulus of rupture) of high performance ceramics