Preiskovani so bili vzorci zvarov feritnega nerjavnega jekla X6Cr17 (W.Nr. 1.4016).Prikazane so metalografske zna~ilnosti pre~nega in kro`nega zvara.Dolo~ena je bila hitrost korozije v dveh korozijskih medijih in pri dveh temperaturah.Predstavljeni so rezultati osnovnega materiala, dveh zvarov in dveh primerjalnih materialov, jekla X2CrTi17 in malooglji~nega jekla DC01 EN10130.Rezultati preiskave so pokazali, da se v zvaru pove~a velikost zrn, po mejah zrn pa je izlo~ena martenzitna faza, oboje pa vpliva na korozijsko obstojnost.Nobeden od preiskovanih vzorcev ni pokazal izrazite pasivacije povr{ine pri elektrokemijskem korozijskem preizkusu.Klju~ne besede: feritno nerjavno jeklo, metalografija, zvar, korozijska odpornost Samples of welds made from the ferritic stainless steel X6Cr17 (W.Nr.1.4016) were investigated.Here we present the results of the metallographic charaterisations of these welds.We determined the corrosion rate in two corrosion media at two temperatures.The results from the base material and two welds are presented and compared with the steel X2CrTi17 and the low-carbon steel DC01 EN10130.The results revealed enlarged grains in the weld and martensite at the grain boundaries, both have an influence on the corrosion resistance.None of the investigated samples showed distinctive passivation of the surfaces during the electrochemical corrosion tests.