718 dumaloq bar - bu uning tarkibidagi 55% nikelli Nikel-xrom qotishmasi. Contents include 17% chromium, 4.9% niobium, 6.6% iron minimum and aluminum, boron, carbon, cobalt, copper, manganese, phosphorus, lead, sulfur and silicon. Material 1375 MPa va eng kam ta'minlangan kuchning kuchini pasayishi yakuniy kuchga ega.