Q: Dab tsi yog qhov ceev ntawm Q235?
A: Nws yog tib yam li cov hlau zoo tib yam, 7.85 g / cm³.
Q: Lub hardness ntawm Q235 yog dab tsi?
A: Hauv nws lub xeev tsis kho, Brinell hardness (HB) yog kwv yees li 120-150, uas yog qhov qis, ua rau muaj kev ua haujlwm zoo.
Q: Yuav ua li cas yog qhov corrosion kuj ntawm Q235?
A: Nws muaj kev tiv thaiv corrosion tsis zoo thiab tsis muaj peev xwm tiv thaiv xeb. Nws yooj yim rau xeb hauv qhov chaw ntub thiab yuav tsum muaj kev tiv thaiv xeb xws li pleev xim lossis galvanizing.
Q: Yuav ua li cas yog qhov siab -kub tsis kam ntawm Q235?
A: Nws tuaj yeem siv ruaj khov hauv qab 200 degree. Tshaj li 300 degree, nws lub zog txo qis, ua rau nws tsis tsim nyog rau siab -kev siv kub.
Q: Qhov qis -kub ua haujlwm ntawm Q235 yog dab tsi?
A: Cov qib qis dua, qhov qis dua qhov qis dua -kub toughness:
Qib A: Yooj yim nkig ntawm qhov kub thiab txias, tsis haum rau qhov qis - qhov kub thiab txias;
Qib D: tuaj yeem siv ntawm -20 degree, nrog zoo toughness.