Abstract: By means of uniaxial tensile test,the influence of different drawing speed, specimens with different specifications on elongation after fracture of stainless steel cold-rolled sheet was studied. The results showed that the elongation after fracture decreased with the increase of tensile speed, and it increased with the increase of the cross section of the specimen. It was explained that the influence of tensile test condition on elongation measurement value after fracture of stainless steel sheet was great, only under the same tensile test condition, the elongation measurement value after fracture can be as the basis of material selection.