Dab tsi yog builders thiab txias chisels ua los ntawm?
| Kev tsim kho thiab txias chisels feem ntau yog ua los ntawm cov hlau tawv tawv. Rau qhov txias me ntsis, steel feem ntau muaj cov ntsiab lus carbon ntawm li 0.875%. | |
| Hauv qee qhov xwm txheej, cov chisels txias tuaj yeem ua los ntawm beryllium tooj liab lossis txhuas bronze. |
 | Lawv tuaj yeem siv tau thaum lub txim hluav taws xob tsis zoo, xws li thaum ua haujlwm nrog cov roj av uas muaj kev pheej hmoo ntawm hluav taws. |
Dab tsi ntxiv chisels tuaj yeem ua los ntawm? | |
 | Qee cov chisels txias yuav ua los ntawm "alloy steel". Alloy steels yog cov hlau uas tau ua ke nrog lwm cov hlau ua kom cov hlau muaj zog. |
 | Chrome vanadium hlau yog ib hom hlau alloy. |
 | Cov chisels txias ua los ntawm chrome vanadium hlau kuj tuaj yeem raug stamped, ntxiv zog ntxiv. |
 | Qee cov khoom tuaj yeem ntxiv dag zog nrog chromoly, uas yog ib qho tawv tawv tshwj xeeb. |
 | Qee cov mason chisels tej zaum yuav muaj tungsten carbide taub, vim nws muab lub zog ntxiv uas xav tau thaum ua haujlwm nrog qee hom pob zeb. Thaum kawg, txawm li cas los xij, qhov zoo ntawm cov hlau yuav txiav txim siab seb lub chisel tuaj yeem siv li cas. |
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