Puas yog Q235 nyuaj rau tshuab?
Yooj yim rau tshuab; drilling thiab tig yog ob qho tib si yooj yim.
Nws puas tuaj yeem raug stamped?
Yog, rau qhov yooj yim stamped qhov chaw.
Q235 puas tuaj yeem galvanized?
Yog lawm, tab sis feem ntau kub - dov substrates yog siv.
Nws puas tuaj yeem pleev xim / tiv thaiv corrosion?
Tsim nyog heev; nws yog cov khoom siv tseem ceeb rau kev tsim cov qauv steel.
Q235 puas tuaj yeem siv rau cov khoom kos?
Feem ntau siv.