Cov hlau ntshiab, uas yog hlau nrog cov ntsiab lus qis heev (feem ntau tsawg dua 0.02%), yog siv rau hauv kev tsim cov hlau. Ntawm no yog ib qho kev qhia txog cov hom hlau uas siv cov hlau ntshiab:
Hom Hlau Siv Cov Hlau Ntshiab
Electrolytic Iron thiab Vacuum Melted Iron
Kev piav qhia: Cov no yog high-purity cov ntaub ntawv ntawm hlau uas ua los ntawm electrolytic refining los yog nqus melting txheej txheem.
Siv hauv Steel Production: Lawv ua cov khoom siv hauv paus rau kev tsim cov hlau uas yuav tsum tau muaj siab purity, xws li hauv kev siv hluav taws xob, cov khoom sib nqus, thiab qee yam ntawm cov hlau tsis huv.
Tsawg-Carbon Steel
Kev piav qhia: Tsawg-carbon steel muaj cov ntsiab lus carbon xws li 0 02% txog 0.25%.
Kev siv cov hlau ntshiab: Cov hlau ntshiab yog ib qho tseem ceeb hauv kev tsim cov hlau tsis muaj cov pa roj carbon tsawg, vim nws muab cov hlau hauv paus rau kev sib xyaw nrog lwm cov ntsiab lus kom ua tiav cov khoom xav tau.
Nruab nrab-Carbon Steel
Kev piav qhia: Medium-carbon steel muaj cov ntsiab lus carbon ntawm 0.25% thiab 0.6%.
Kev siv cov hlau ntshiab: Txawm hais tias tsis yog ntshiab li electrolytic hlau, nruab nrab-carbon steel feem ntau pib nrog lub hauv paus ntawm cov hlau ntshiab, uas yog tom qab ntawd alloyed nrog carbon thiab lwm yam khoom kom ua tiav qhov sib npaug ntawm lub zog thiab ductility.
Qee yam Alloy Steels
Kev piav qhia: Alloy steels yog cov hlau uas tau raug alloyed nrog cov ntsiab lus uas tsis yog carbon los txhim kho lawv cov khoom siv kho tshuab.
Kev siv cov hlau ntshiab: Hauv qee cov txheej txheem steel hlau, cov hlau ntshiab yuav raug siv los ua cov khoom pib los xyuas kom muaj qhov zoo sib xws thiab zoo rau cov txheej txheem alloying.
Qhov tseem ceeb ntawm Pure Iron hauv Steel Production
Siab Purity: Cov hlau ntshiab muab lub hauv paus huv thiab zoo ib yam rau kev sib tsoo, txo qhov kev pheej hmoo ntawm impurities thiab tsis xws luag hauv cov khoom hlau kawg.
Mechanical Properties: Los ntawm kev pib nrog cov hlau ntshiab, cov neeg tsim khoom hlau tuaj yeem tswj tau cov txheej txheem alloying kom raug thiab ua tiav cov khoom siv kho tshuab uas xav tau, xws li lub zog, ductility, thiab hardness.
Cov ntawv thov tshwj xeeb: High-purity hlau yog qhov tseem ceeb rau cov ntawv thov uas xav tau qhov tseeb thiab kev ntseeg siab, xws li hauv hluav taws xob, khoom siv hlau nplaum, thiab kev tsim hluav taws xob aerospace.