Heat-resistant steel hi steel chi khat bik a ni a, temperature sang takah chakna, oxidation resistance leh creep resistance a vawng thei a ni. Energy, chemical industry, aerospace leh field dang dangah pawh hman a ni nasa hle. Chemical composition leh performance hrang hrang a zirin heat-resistant steel hi chi hrang hrangah then theih a ni a, chi hrang hrang hi hnathawh dan hrang hrang atan a tha hle. Heat chi hrang hrang hriatthiam dan{/{5}}Resistant steel hian company te chu thil siamte dik taka thlan a, service life leh equipment himna tichangtlung turin a pui a ni.
Chemical composition ang chuan heat-resistant steel hi chi thum-ah then a ni ber a, chungte chu chromium{{1}Molybdenum steel, austenitic heat-resistant steel leh ferritic heat-resistant steel te an ni. Chromium-Molybdenum steel hi heat chi hrang hrang zingah chuan a tam ber-resistant steel a ni. Chromium leh molybdenum element sang tak tak a awm a, high-temperature strength leh oxidation resistance tha tak a nei a, medium-temperature environment, boiler leh pressure vessel te tan pawh a tha hle. Austenitic heat-resistant steel hian nickel leh chromium chu alloying elements ber atan a hmang a, chu chu 310s, 309s leh grade dang a ni. High-temperature oxidation resistance leh corrosion resistance tha tak a nei a, high-temperature furnace tube, heat exchanger leh hmanraw dang ah te hman a ni fo bawk. Ferritic heat-resistant steel hian chromium a tam a, mahse nickel a tlem a, a man pawh a hniam hle. Furnace leh combustion chamber components lumna hniam zawka tihlumna atan a tha hle.
Temperature leh performance characteristics hman dan azirin heat-resistant steel pawh hi low-aly heat-resistant steel, medium{3}}alloy heat-resistant steel leh high-alloy heat{{6}resistant steel-ah te then theih a ni bawk. Low-Alloy heat-resistant steel hi 500℃aia hniam hnathawhna hmunah hman a ni tlangpui a , chu chu 15CRMO, 12CR1MOV, etc. te hi a ni a, petrochemical leh power industry-a medium-temperature pipelines atan hman a ni ber. Medium-Alloy heat-resistant steel hi high-temperature environment 600-800℃atan a tha a, chu chu 2.25CR{{25}1MO steel a ni a, hei hi hydrogenation reactor leh petrochemical equipment-ah te hman a ni nasa hle. High-Alloy heat-resistant steel inconel series (Inconel 600, 625 ang chi) leh Hastelloy series te hian 1000℃aia sang environment-ah stable performance an vawng thei a, aircraft engine leh gas turbine ang chi high-end field-ah an hmang ber a ni.
Chu bakah, heat-resistant steel pawh pearlite heat-resistant steel, martensite heat-resistant steel leh austenite heat-resistant steel-ah te then theih a ni bawk. Pearlite heat-resistant steel hi medium-temperature environment-ah hman a ni ber a, martensite heat-resistant steel hian heat treatment hmangin chakna a tichak a, high-temperature fastener leh component dangte tan a tha hle.
Heat-resistant steel classification hi a buaithlak a, a chi hrang hrang a ni. Enterprise te chuan operating temperature bik, corrosion environment leh cost requirements te a zirin materials dik tak an thlan a ngai a ni. Material thlan dik chuan hmanrua hnathawh a ti tha mai bakah enkawlna senso a tihtlem bakah enterprise tan economic lama hlawkna nasa zawk a thlen thei bawk.
