Kukhala ndi chitsulo chotsika kwambiri (HSLA) ndi mtundu wa chitsulo chomwe chimapereka zachilengedwe kapena kuponderezedwa kwakukulu kwa ma carbon stees {{3} 0 . 25% kuti musunge zachinsinsi komanso zowonjezera .} Zirconium {1 {{{chium, vadium, ndi Niobium ndi obvala zabwino kwambiri za ma carbider a {{16} Amachotsa mphamvu yolimba ya sekondale ya pearlitic koma imagwira ndikuwonjezera mphamvu pokonzanso kukula kwa njere, zomwe zimapangitsa kuti pakhale mphamvu zonse za 50%, nawonso. Mphamvu zawo zokolola zimatha kukhala paliponse pakati pa 250-590 Megascals (36, {} -}, {{ Chifukwa cha mphamvu zawo zapamwamba komanso kulimba kwa HSLA nthawi zambiri kumafuna mphamvu 25 mpaka 30% kuti apange, poyerekeza ndi makhate a kaboni.
Mkuwa, anicon, nickel, chromium, ndi phosphorous adawonjezeredwa kuti athe kuwonongeka kwamphamvu { zimasiyana kwambiri poyesa nthawi yayitali komanso yosinthika ku tirigu {{6}
Amagwiritsidwa ntchito m'magalimoto, magalimoto, mabatani, milatho, ozungulira ndi magulu ena omwe amapangidwa kuti azitha kupanikizika kwambiri kapena 30%}
Zitsulo za HSLanso zimakhudzidwanso ndi dzimbiri kuposa zitsulo zambiri za kaboni kwambiri chifukwa chakusowa kwawo kwa Pearlite {5]
Tili ndi kuthekera kosiyanasiyana komanso kuthekera kwapadera, ntchito zowopsa, komanso njira zothetsera njira zothetsera ndalama zanu.
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