QN1803 stainless hlau belongs rau QN tsev neeg tsim los ntawm Qingtuo Group, uas kuj suav nrog QN1701, QN1804L, QN1906Mo, thiab QN2109Mo. Raws li cov tiam tom ntej, high-nitrogen austenitic alloy, QN1803 yog tsim los txuas qhov sib txawv ntawm kev ua tau zoo thiab tus nqi, muab qhov hloov pauv zoo rau cov pa 304 stainless hlau.