GB/T 13793-2016 Galvanized Steel Yeeb Nkab
Raws li tus neeg muag khoom thiab chaw tsim khoom nyob rau hauv Suav teb, GNEE Steel muab tus nqi -nickel zoo- raws li cov khoom siv alloy.
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GB/T 13793-2016 Galvanized Steel Yeeb Nkab
Kub-dip galvanized kav, txhawm rau txhim kho corrosion kuj ntawm cov kav hlau, cov kav hlau dav dav yog galvanized. Galvanized steel kav muab faib ua ob hom: kub-dip galvanizing thiab electro-galvanizing. Kub-dip galvanizing muaj txheej tuab ntawm zinc, thaum electro-galvanizing yog pheej yig thiab saum npoo tsis du heev.
Cov kav hlau siv rau roj, tsev cog khoom thiab cua sov kuj yog cov kav dej galvanized. Ib yam li cov kav dej, cov kav dej galvanized tsim ntau cov xeb thiab nplai. Cov dej daj ntws tsis yog tsuas yog ua rau cov chaw tso quav xwb, tab sis kuj sib xyaw nrog cov kab mob uas ua rau ntawm phab ntsa ntxhib sab hauv. Kev xeb ua rau muaj cov hlau hnyav hauv dej. Cov ntsiab lus ntau dhau tuaj yeem ua rau tib neeg noj qab haus huv. Nyob rau xyoo 1960 thiab xyoo 1970, cov teb chaws tsim tau pib tsim cov kav dej tshiab thiab maj mam txwv cov kav dej galvanized. Tuam Tshoj Lub Tsev Haujlwm Saib Xyuas Kev Tsim Kho thiab plaub lwm lub chaw haujlwm thiab cov thawj coj kuj tau tshaj tawm cov ntaub ntawv qhia meej tias cov kav dej galvanized yuav raug txwv txij li xyoo 2000. Galvanized kav tsis tshua muaj siv hauv cov kav dej txias hauv cov zej zog uas tau tsim tshiab, thiab cov kav dej kub hauv qee cov zej zog yog cov kav dej galvanized.
Cim npe nrov: gb/t13793-2016 galvanized steel yeeb nkab, Tuam Tshoj gb/t13793-2016 galvanized steel yeeb nkab lwm tus neeg
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