A rilru a buai em em a, a rilru a hah em em bawk a. 1.4855 .
1.4855 (European standard heat-resistant steel casting) hian a nghetna leh a chhe thei lo hle a ni.
1. A tlangpui .
1.4855 (GX40CRNISINB24-24) hi EN 10295-2002 leh ISO 13583-2-2015 atanga casting grade a ni. He material hi a oxidation resistance tha tak, temperature corrosion resistance sang tak leh temperature sang tak mechanical strength nei tha tak a nih avangin a hmingthang hle a, industrial equipment-ah pawh temperature sang tak, sintering equipment, blast furnace equipment, heat treatment furnace, etc.-ah te hman a ni nasa hle.
2. Chemical composition leh physical property .
2.1 Chemical siam dan .
1.4855 chemical composition chu uluk taka siam a ni a, a nghet leh a chhe thei lo a nih chuan temperature sang takah a awm thei a ni. A component pawimawh ber berte chu:
Chromium (CR): 24% vel a ni.
Nickel (NI): 24% vel a ni.
Silicon (Si): A tlem berah a tlem ber .
NIOBIUM (NB): A man tling .
Carbon (C): a tlem zawk .
He partition ratio hian antioxidant property tha tak a pe a, temperature sang takah creep resistance a pe bawk 2.
2.2 Taksa lama hnathawh dan .
1.4855 physical property hian temperature sang takah a perform thei a ni:
Antioxidation temperature: 1150℃thleng a ni.
Creep Resistance: 850℃-1100℃inkar a chakna tha tak a ni.
High temperature strength: a yield chakna leh tensile strength sang tak a la vawng reng thei bawk.
Processability: formability tha tak leh weldability nei tha tak a ni.
3. A nihna ber ziarang .
3.1 Antioxidant thil neih dan .
1.4855 Temperature sang takah chuan stable oxide membrane a siam thei a, chu chuan a tha zawngin oxidation dang a veng thei a ni. A antioxidant temperature chu 1150℃thleng a ni a, hei hi hun rei tak chhunga hmanrua te temperature sang taka hnathawh theihna atan a tha hle.
3.2 Corrosion a awm chuan a lumna a sang hle.
Material hian gaseous media tam zawkah chuan temperature sang tak corrosion dona tha tak a lantir a, a bik takin sulfur leh chlorine awmna hmuna corrosive environment-ah te, stable performance a la vawng reng thei bawk.
3.3 High-temperature mechanical chakna .
1.4855 Temperature sang tak hnuaiah yield strength sang tak leh tensile strength a nei a, mechanical load lian tak a tuar thei a, hei hi high temperature furnace, radiation tube leh hmanraw dang atan a tha hle.
3.4 Processability .
1.4855 hian formability leh weldability tha tak a nei a, casting, forging leh process dang hmanga complex shape parts-a processing atan a tha hle. Chu bakah, a cutting ability pawh a tha a, a hnua processing atan pawh a awlsam hle.
4. Dilna Field .
1.4855 hi a hnuaia hmunah hian hman a ni nasa hle a:
4.1 Metallurgical industry .
Sintering hmanrua: High temperature sintering process-a hman thin heat resistant parts.
Blast furnace hmanrua: furnace bottom roller, radiation tube leh thil pawimawh dangte angin.
Heat treatment furnace: furnace khuhna, sakawr hmanga siam furnace leh hmanraw dangte tihreh nan hman thin a ni.
4.2 Chemical Industry leh Energy .
High Temperature Furnace Tube: Ammonia siamna atan hman a ni a, ethylene cracking leh high temperature reaction hmanrua dangte pawh a awm bawk.
Heat Exchanger: Thil hmanrua a kal tha theih nan temperature sang takah heat transfer thin ang che.
4.3 Domain dang .
Cement siamna hmanrua: High-temperature calcination process-a hman thin heat-resistant components te.
Mineral processing hmanrua: Temperature sang leh corrosive environment-a performance nghet tak neih theihna tur.
5. Production technology leh key point thlan dan .
5.1 Thil siam chhuah dan tur .
1.4855 A tlangpuiin electric arc furnace emaw induction furnace smelting hman a ni a, quality sang tak mamawh components, vacuum refining leh furnace refining process te pawh hman a ni bawk. Casting method ah hian sand type casting leh precision casting te a awm a, chu chuan products te chu a chung lam leh a size chiang tak tak te a hmu thei a ni.
5.2 Thu pawimawh thlan chhuah .
A hnathawh theihna hmun: 1.48 a ni.
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