Ɔhyew{0}}aduru a ɛyɛ dade a ɛyɛ den .

1) Belet Type low alloy thermal ahoɔden dade .
Representative of this kind of steel: 12cr1mov Saa dadeɛ ntini a ɛyɛ den yi ye, na sɛ ɔhyew no yɛ 580℃a, ɛda so ara wɔ ahoɔden a ɛyɛ hyew pa.

2) ferriite ɔhyew-dadeɛ a ɛko tia .
Ntini a ɛte sɛɛ a ɛwɔ dade a ɛte sɛɛ mu wɔ dan mu hyew mu na ɛde ɔhyew di dwuma. Saa dadeɛ ne chromium a ɛwɔ mu yi boro 12%, nikel biara nni mu, ɛwɔ silicon, titanium, molybdenum, beryllium ne nneɛma foforɔ kakraa bi pɛ.

3) martensitic-Type ɔhyew-Ade a ɛyɛ den .
The Representative of Steel: Cr 12 Type Martensite Thermal Strong Steel, wɔ mfiridwuma mu ahoɔden a ɛkɔ akyiri a ɛyɛ papa, ɔhyew ahoɔden pa, corrosion resistance ne vibration attenuation, a wɔde di dwuma kɛse wɔ turbine blade a wɔyɛ mu na ɛyɛ soronko blade steel series, na wɔde di dwuma kɛse sɛ cylinder sealing ring, high temperature bolt, rotor ne boiler superheater, gas blade, compressor turbine turbine turbine disk disk disk disk disk Components, etc. CR 12 Type Heat-aduru a ɛko tia no nkɔso ne nea wɔde di dwuma no wɔ abakɔsɛm a ɛboro mfe 60, a anyɛ yiye koraa no, ɛwɔ din ahorow 300. Nanso, nsonsonoe a ɛwɔ ne mu no nyɛ kɛse, a egyina CR 12 dade so wɔ tungsten, molybdenum, vanadium, ninobium, niobium, boron, nitrogen, titanium, cobalt ne nneɛma afoforo a wɔde bɛyɛ nsakrae ahorow bi mu.
4) Valve dade .
Valve steel yɛ dade a ɛko tia ɔhyew no nkorabata a ɛho hia, dade yi ananmusifo: 21 cr-9 mn-4NI-N dade (21-4N), sɛ wɔde toto 21 Cr-12 nin, 14 Cr-14ni2W-Mox ho a, adwumayɛ yɛ nea ɛkorɔn na ɛyɛ sikasɛm mu de, wɔ Rapid no mu no, wɔde di dwuma kɛse wɔ mframa a wɔde dum valve no mu. Sɛ wode sulfur ka 21-4N dade ho ma ɛyɛ adwuma yiye a, ɛyɛ 21-4ns. Niobium, molybdenum, tungsten ne vanadium a wɔde kaa ho no maa ɔhyew a ɛkorɔn, ɔbrɛ ahoɔden ne ɔbrɛ a ɛko tia, ne 21-4 W NBN, x60crmnmovnbn2110 dade yɛɛ yiye.

5) Austenitic-Ɔhyew a wɔayɛ no sɛnea ɛte-ɛko tia dade .
Saa dadeɛ yi ananmusifoɔ: 18 Cr{{4}8NI, 25 Cr-2ni, CR-MN{7}}N, Fe-Mn-Al, ne nea ɛkeka ho Saa dadeɛ yi wɔ ahoɔden a ɛkorɔn ne oxidation a ɛgyina ano a ɛkyɛn so wɔ ɔhyeɛ a ɛkorɔn mu. Mpɛn pii no wɔde di dwuma ma afã horow a ɛboro digrii 600 no , ɔhyew a ɛko tia ɔyare mmoawa no betumi adu digrii 850 ~ 1250 . Saa dade yi titiriw na ɛyɛ bere koro no ara mu sɛ dade a ɛnyɛ den, a ebinom nso yɛ austenitic type stainless steel a eye kyɛn so.
Wɔ austenitic shaped steel a ɛwɔ China ho no, ɛde ka ho bi ne sɛ wɔbɛtwerɛ na wɔayɛ amannɔne ɔhyew dodoɔ bi{0}}a ɛko tia dadeɛ a ɛyɛ den, Cr{1}}MN{2}}N, Cr{3}}MN-NI-n, cr{7}}ni{7}}n, fr{9}}l{9}}l{9}}l{9}}l{9}}l{8}}l{8}}l{8}}l{8}}l{8}}l{8}}l{8}}l{8}}l{8}}l{8}}l{8}}l{8}}l{8}}l{8}}l{8}}al Cr-MN-Al-Si ɔhyew-wɔayɛ dade a ɛko tia mfe pii. CR18MN12NO2N, CR20MN9NI2Si2N, ne .
3CR24NI7SINRE wɔakyerɛw wɔ ɔman no gyinapɛn ahorow a ɛfa nkɔanim ne dwumadie ho no mu.
Dade a wɔde casting a ɛko tia ɔhyew no di dwuma kɛse wɔ dade a ɛko tia ɔhyew no mu. Efi 1970 ne 1980 mfe no mu no, esiane nkɔso a aba ntɛmntɛm wɔ petrochemical nnwuma mu nti, wɔde dade a wɔde yɛ ɔhyew a ɛyɛ den a wɔde yɛ aduru a wɔde yɛ nneɛma a ɛyɛ hyew kɛse adi dwuma wɔ ammonia akɛse a wɔayɛ mu, na ɔhyew a wɔde di dwuma no betumi adu 1150℃, na FE{4}}Cr{5}Cr{}n{}ni a wɔde wɔn ho ahyɛ mu a wɔde wɔn ho ahyɛ mu a wɔde wɔn ho ahyɛ ɔhyew mu ne ɔhyew a wɔde ayɛ adwuma. te sɛ 4CR25NI35CO15W, 4CR25NI35WNB, 5CR28NI48W5, ne afoforo. Aman a wɔanya nkɔso no bi wɔ 1930 mfe no mu tɔnn na wɔhyehyɛɛ dade a wɔde yɛ dade a ɛyɛ hyew a ɛko tia ɔhyew. Wɔ afe 1987 mu no, China de ɔman no gyinapɛn a edi kan a ɛfa ɔhyew ho-ɛko tia dade a wɔde ayɛ cast sii hɔ.
6) Osutɔ a ɛyɛ den a ɛyɛ hyew-ɛko tia dade .
Sɛnea ne ntini kyerɛ no, wobetumi akyekyɛ dade a ɛyɛ den a ɛyɛ den a ɛko tia ɔhyew no mu ayɛ no dade a ɛyɛ den a ɛyɛ den a ɛyɛ den (such te sɛ 0cr17ni4cu4nb), (austenitic a ne fã yɛ adwuma-Martensitic filter type) a ɛyɛ hyew a ɛyɛ den a ɛyɛ den a ɛyɛ den a ɛyɛ den sɛ ɛbɛhyew Dadeɛ a ɛyɛ den a ɛtumi gyina ɔhyew ano (te sɛ 0CR15NI25TI2MOVB), ne nea ɛkeka ho.

Adwumayɛbea .

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