teimik/katsekeha, mille algmõõtepikkus ja algristlõikepindala on seotud valemiga Lo = k√So; teguri k väärtus on 5,65 (teimiku väikese ristlõikepindala korral 11,3), a tensile test specimen in which a original gauge length, Lo is realted to the original cross section area, So expressed as Lo = kvSo ; the constant k is 5.65 or 11.3 (at small cross-sections) in EN s