This paper presents results of experimental examinations of stress concentration influence to fatigue life of butt welded joints with K-groove. produced from the most frequently used structural steel S355J2+N. One group of experiments comprised examinations carried out on the K-groove specimens with stress concentrators of edged notch type. Specimens with short cracks (limited length ... https://fitnessgravesyardes.shop/product-category/brake-pulley-axle/