Labaran Samfura
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A ranar 24 ga wata, adadin ma'amalar bututun mai na kasa ya karu sosai
Bisa kididdigar kididdigar da Ma'aikatar Bututun Karfe: A ranar 24 ga Nuwamba, jimilar yawan ma'amalar da aka samu na kamfanonin sayar da bututun bututu guda 124 a duk fadin kasar ya kai tan 16,623, karuwar da kashi 10.5% bisa ranar ciniki da ta gabata da kuma karuwar kashi 5.9% sama da irin wannan. lokacin bara. Daga...Kara karantawa -
Yawan danyen karafa a duniya ya fadi da kashi 10.6% a watan Oktoba
Bisa kididdigar da hukumar kula da karafa ta duniya (worldsteel) ta fitar, an ce, yawan danyen karafa a duniya a watan Oktoban bana ya ragu da kashi 10.6% a duk shekara zuwa tan miliyan 145.7. Daga watan Janairu zuwa Oktoban bana, danyen karafa da ake hakowa a duniya ya kai tan biliyan 1.6, wanda ya karu da kashi 5.9 cikin dari a duk shekara. A watan Oktoba, Asiya ...Kara karantawa -
Farashin zaren ƙasa
A ranar 21 ga watan Oktoba, farashin kayayyakin gini a fadin kasar ya fadi sosai, kuma makomarta ta fadi sosai. Bayanan da ake bukata sun yi ƙasa da na bara. A jiya, adadin cinikin kayayyakin gini na kasa ya kai ton 120,000 kacal, kuma ra’ayin kasuwa ya kasance maras dadi. Ko da kaya l...Kara karantawa -
Iron da karfe zafi wuri
1.On Oktoba 21, cinikin dare na jerin baƙar fata ya karu kuma ya ragu idan aka kwatanta da farashin rufewa na ranar ciniki da ta gabata. Daga cikin su, zaren ya fadi da kashi 0.2%, zafi mai zafi ya tashi da kashi 1.63%, Coking Coal ya fadi da kashi 0.23%, Coke ya tashi da kashi 3.14%, sannan karfen karfe ya tashi da kashi 3.46%. 2.Bayanan zuba jari na ci gaban gidaje na...Kara karantawa -
Menene bambance-bambance tsakanin madaidaiciyar bututun karfe da bututun karfe maras kyau?
Abin da muke gani sau da yawa a rayuwa ya kamata ya zama bututun ƙarfe maras kyau, bututun ƙarfe madaidaiciya madaidaiciya da bututun walda. Editan mai zuwa yana ɗaukar ku a taƙaice don fahimtar yadda za ku bambanta tsakanin bututun ƙarfe madaidaiciya da bututun ƙarfe mara ƙarfi, kuma ku ga menene bambanci tsakanin su biyun! 1....Kara karantawa -
Abubuwan da ke haifar da lalata bututun da ba su da zafi
Bututun da aka yi birgima mai zafi shine matsananci-bakin ciki, mai ƙarfi, daki-daki kuma bargarin fim ɗin oxide mai arzikin chromium (fim ɗin kariya) da aka kafa akan samansa don hana atom ɗin iskar oxygen sake jikewa da sake yin oxidizing, ta haka ne ke samun ƙwararrun rigakafin lalata. Da zarar fim ɗin filastik ya ci gaba da lalacewa du ...Kara karantawa
