Nyob rau hauv hnub no lub ntiaj teb no steel riam nws plays ib qho tseem ceeb luag hauj lwm nyob rau hauv tib neeg lub neej, raws li nrog rau qhov kev kawm ces yuav tsum yuav luag thoob plaws hauv lub hav zoov. Tam sim no siv rau qhov siv thiab ua ib tug ntau yam ntawm kev technologies uas hais hauv lub xub ntiag ntawm alloys. Tag nrho cov ntxiv impurities no yog tsim los txhim kho qhov zoo ntawm ua khoom. Zaum thoob plaws hauv lub ntiaj teb no yog dreaming xyuas kom meej tias qhov zoo ntawm cov alloys mus txog ib tug tshiab npaum li, li ntawd, hais tias muaj intricate hom kev kawm thiab cov zaub mov txawv. Tam sim no, muaj ntau yam qib ntawm steel rau lub nplooj pu, uas koj mus xaiv lub zoo tshaj plaws kev xaiv nyob hauv daim ntawv thov.
Mus tas li tawm tsam rau lub cev zog xws li hardness, Thaum tshav kub kub kuj thiab hnav kuj. Zoo steel rau riam yuav tsum tau muab zoo kuj mus allergic mus rau lwm lub cev. Hais tias yog, nws yog yuam ua hauj lwm kom muaj ib tug loj load tsis deformation thiab tsis tau poob nws zoo lawm. Nyob rau hauv tas li ntawd, txiav txim siab tseem ceeb yog cov muaj peev xwm ntawm cov khoom mus rau hnav, uas yog feem ntau vim cov nyuaj heev carbides cov ntsiab lus (vanadium, molybdenum thiab tungsten). Nws yog vim li no lub hom CPM 10V thiab CPM S90V muaj lub siab coj kuj.
Txhua tshuaj caij nyob rau hauv nws cov nyhuv rau lub steel riam, muab nws ib tug zoo. Ib tug ntawm cov pib kawm txog cov pa roj carbon yog suav predetermining nyob rau hauv ntau theem pib yam ntxwv. Nrog rau qhov no lub caij nws yuav tau harden lub steel rau lub nplooj pu. Hardness yuav nyob ntawm seb lom zem ntau rau nws cov kev sib raug zoo. Txawm li cas los, nyob rau tib lub sij hawm vim cov pa roj carbon tsub kom nyhav rau xeb hlau. Feem ntau, muaj cov pa roj carbon yuav tsum muaj tsawg tshaj li 0.6 feem pua, tab sis muaj ntau manufacturers tsis them rau kev mloog kom no daim duab, ua neeg txom nyem cov khoom uas zoo nrog cov uas tsis muaj nqi.
Lwm heev thiab tseem ceeb - chrome. Nrog nws yuav ntse tawv xeb los ntawm kev ntxiv ib steel riam. Yog hais tias tus nqi ntawm cov kev tivthaiv saib tshaj 14 feem pua, nws yuav lam xav tias nws yog stainless steel khoom. Txawm li cas los, ib tug loj cov ntsiab lus ntawm chromium adversely muaj feem xyuam rau lub dag lub zog yam ntxwv. Raws li cov dopant siv ntau heev molybdenum, muaj peev xwm ntawm mus pab tau txoj lub tshav kub tsis kam thiab corrosion kuj. Nws yeej muaj ib tug zoo ntxim rau tej steel riam.
Ib tug interesting caij zoo nkaus li vanadium uas yuav pab tau txhawb kev kawm lub cev thaj chaw ntawm ntau yam alloys. Nws lub ntsiab muaj nuj nqi yog heev kom cov coj kuj thiab lub dag lub zog. Steel Riam enriched no muaj peev xwm sawv ntawm tej lub sij hawm ntev kom muaj zoo. Txawm li cas los, nws yuav tsum tau muab sau tseg tias hliav ntawm tus hniav yuav ntau lub sij hawm-siv. Nyob rau hauv Feem ntau, lub alloy muaj xws li cobalt, yus muaj los ntawm siab durability. Nws feem ntau yog muaj N690 hom thiab VG-10. Tsis tas li ntawd riam steel yuav muaj xws li npib tsib xee, nitrogen, sulfur, pob zeb ntais, titanium thiab ntau lwm yam tshuaj hais.