hat
klas Deziyasyon kondisyon Yon Ultim fòs, Sede fòs, Pwolonjman nan 2 a. Oswa 50 mm,% Rockwall dite B Echèl
eng
Grade Designation Condition A Ultimate Strength, Yield Strength, Elongation in 2 in. or 50 mm, % Rockwall hardness B Scale