Heat resistant steel casting tih hian steel temperature resistance sang leh temperature sang tak nei a kawk a ni.
High temperature antioxidant hi a pawimawh hle a, workpiece te chu temperature sang takah an thawk thei a ni. Oxidation environment, high -temperature air-ah chuan oxygen leh steel surface chunglam atanga chemical response chuan iron oxide layer chi hrang hrang a siam chhuak thin. Oxide layer hi a lo chhuak nasa hle a, steel-a a original characteristics a hloh a, a tlak a awlsam bawk. Steel-a temperature sang tak antioxidant siam that nan chuan steel-ah hian alloy elements dahin oxides structure a danglam thei a ni.
Common alloy elements te chu chromium, silicon, aluminum, etc. oxygen nen an inrem a, steel chunglamah dense, stable oxide layers an siam a, emaw CR2O3, SIO2 emaw AL2O3, etc., steel humhim nan an siam chhuak zel a, an oxidize chhunzawm zel tawh lo. Chromium, silicon leh aluminum tam lutuk hian a belhchhah nasa hle a, steel temperature sang tak pawh a tha zawk bawk. Mahse, silicon leh aluminum a tam lutuk chuan steel mechanical property leh processability a chhe vek ang. Chuvangin, heat resistant steel castings hian chromium chu main alloy element atan a hmang a, silicon leh aluminum chu auxiliary element atan a hmang bawk.
