Muaj peev xwm q295nnhnh kho nws txoj kev ua tau zoo los ntawm kev kho cua sov?
Puas yog Q355NH txhawb nqa kub - dip galvanizing kho?
Yuav ua li cas txhawm rau txhim kho lub corrosion tsis kam ntawm cov huab cua ua hluav taws xob Q345NH hauv qhov chaw hnyav?
Yuav ua li cas yog corrosion resistance ntawm huab cua hlau Q345NH?
Thaum txias dabtsi yog khoov q295nh, yog tus cwj pwm uas yog khoov rau cov kiv puag ncig tawg?
Mob khaub thuas - tsim spa -} h huab cua dav hlau siv los ua thawv sab panels?
Yuav ua li cas kom tsis txhob tawg ntawm cov cua hlau ua hlau thaum khoov txias?
Puas yog tshem tawm cov nplaim Oxide nplai ntawm Spa - h muaj qhov cuam tshuam rau nws corrosion tsis kam?
Qhov loj me ntawm kev khoov lub vojvoog muaj qhov cuam tshuam ncaj qha thiab tseem ceeb rau ntawm cov neeg kho tshuab, corrosion tsis kam, thiab cov qauv kev ntseeg ntawm spa- h huab cua h huab cua to
Q235NHA cov xeb yog "ib puag ncig - nyob." Nyob rau hauv me, zoo {{{{3} Cia li muaj kev mob siab, nws tuaj yeem ua tiav lub neej ntawm lub neej (txuam nrog lub neej tsim ntawm feem ntau cov neeg sib t