Dab tsi yog cov yam ntxwv tseem ceeb ntawm cov khoom siv kauv raj?
Mar 31, 2022
1. Tsis muaj hydrogen embrittlement, tsis muaj qhov kub thiab txias, uas tuaj yeem ua kom ntseeg tau tias cov khoom siv hluav taws xob tsis hloov pauv.
2. Raws li cov neeg siv khoom xav tau, tshwj xeeb tsim thiab kho ntau yam kav dej.
3. Txoj kev kub-dip galvanizing yog tsim rau muaj zog corrosive ib puag ncig xws li muaj zog acid thiab alkali pos huab.
4. Me me qhov cua tsis kam thiab tsis muaj cua nrov nrov;
5. Lub thickness yog tswj tau thiab xaiv tau nyob rau hauv qhov ntau ntawm 5-107 meters.