Cov hlau tau muab qhab nia thiab muab faib ua plaub pawg: Carbon steels, Cov hlau alloy, Stainless hlau cuab yeej steels
Hom 1-Cov pa roj carbon steel
Dhau li ntawm cov pa roj carbon thiab hlau, cov pa roj carbon steel tsuas muaj cov lej ntawm lwm cov khoom. Cov pa roj carbon steel yog feem ntau ntawm plaub qib steel, suav txog 90% ntawm tag nrho cov hlau tsim! Cov pa roj carbon steel tau muab faib ua peb pawg raws li cov pa roj carbon ntau hauv cov hlau:
l Tsawg carbon steels / me steels (txog 0.3% carbon)
l Medium carbon hlau (0.3-0.6% carbon)
l High carbon steels (ntau tshaj 0.6% carbon)
Cov tuam txhab nquag tsim cov hlau no ntau heev vim lawv pheej yig thiab muaj zog txaus los siv rau hauv kev tsim kho loj.
Hom 2-Cov hlau alloy
Alloy steels yog tsim los ntawm kev sib txuas cov hlau nrog ntxiv alloying ntsiab xws li npib tsib xee, tooj liab, chromium thiab / lossis txhuas. Ua ke cov ntsiab lus no txhim kho lub zog, ductility, corrosion kuj thiab machinability ntawm cov hlau.
Hom 3-Stainless hlau
Cov qib stainless hlau yog alloyed nrog 10-20% chromium nrog rau npib tsib xee, silicon, manganese, thiab carbon. Vim tias lawv muaj peev xwm ua kom muaj sia nyob rau huab cua tsis zoo, cov hlau no muaj qhov ua tau zoo corrosion kuj thiab muaj kev nyab xeeb rau kev siv sab nraum zoov. Cov qib stainless hlau kuj tseem siv rau hauv cov khoom siv hluav taws xob.
Piv txwv li, 304 stainless hlau yog dav nrhiav rau nws lub peev xwm los tiv thaiv ib puag ncig thaum khaws cov khoom siv hluav taws xob zoo.
Thaum cov qib stainless hlau sib txawv, suav nrog 304 stainless hlau, muaj qhov chaw hauv cov tsev, stainless hlau feem ntau nrhiav tom qab rau nws cov khoom huv si. Cov hlau no tau pom dav dav hauv cov khoom siv kho mob, cov kav dej, cov hlab ntsha siab, cov cuab yeej txiav thiab cov tshuab ua zaub mov.
Hom 4-Cov cuab yeej steel
Cov cuab yeej steel, raws li lub npe qhia, ua tau zoo hauv cov cuab yeej txiav thiab drilling. Lub xub ntiag ntawm tungsten, molybdenum, cobalt thiab vanadium pab txhim kho cov cua sov thiab cov kav ntev. Thiab vim tias lawv tuav lawv cov duab txawm nyob rau hauv kev siv hnyav, lawv yog cov khoom siv rau cov cuab yeej siv tes feem ntau.
Kev faib cov hlau
Tshaj li plaub pawg, steel kuj tuaj yeem raug cais raws li qhov sib txawv xws li:
Khoom siv: carbon ntau, alloy, stainless, thiab lwm yam.
Txoj kev ua tiav: kub dov, txias dov, txias tiav, thiab lwm yam.
Txoj kev tsim khoom: hluav taws xob rauv, nruam nruam, thiab lwm yam.
Microstructure: ferritic, pearlitic, martensitic, thiab lwm yam.
Lub cev muaj zog: raws li ASTM tus qauv
De-oxidation txheej txheem: tua los yog semi-tua
Kev kho cua sov: annealed, tempered, thiab lwm yam.
Zoo nomenclature: kev lag luam zoo, siab hlab ntsha zoo, kos duab zoo, thiab lwm yam.
Dab tsi yog qib zoo ntawm steel?
Tsis muaj universal "zoo tshaj" qib ntawm steel, raws li qhov zoo tshaj plaws steel qib rau ib daim ntawv thov nyob ntawm ntau yam, xws li kev npaj siv, txhua yam thiab lub cev yuav tsum tau, thiab nyiaj txiag txwv.
Cov qib hlau uas tau siv tas li thiab suav tias yog cov kab saum toj kawg nkaus ntawm txhua hom suav nrog:
Carbon steel: A36, A529, A572, 1020, 1045, thiab 4130
Alloy hlau: 4140, 4150, 4340, 9310, thiab 52100
Stainless hlau: 304, 316, 410, 420
Cov cuab yeej steel: D2, H13, thiab M2
JINDALAI yog cov pab pawg steel uas muaj peev xwm muab tau txhua qib ntawm cov hlau hauv coil, ntawv, yeeb nkab, raj, pas nrig, bar, flanges, luj tshib, tees, thiab lwm yam. Muab Jindalai kev ntseeg siab, thiab koj yuav txaus siab rau cov khoom.
Post lub sij hawm: Aug-08-2023