Dab tsi yog qhov tseem ceeb ntawm Q235 steel?
Factory vaj tse, kev txhawb nqa, txuas hniav, yees, ntim, ntawv hlau.
Nws puas tuaj yeem siv rau cov hlab ntsha siab?
Yog lawm, rau qis-siab, tsis yog- cov khoom siv hluav taws xob, tab sis tsis yog rau cov ntawv thov siab - siab.
Q235 puas tuaj yeem siv rau pwm?
Tsis yog, nws tsis haum vim tsis txaus lub zog thiab hardness.
Qhov txawv ntawm Q235 thiab Q355 yog dab tsi?
Q355 muaj zog dua thiab kim dua.
Dab tsi yog qhov txawv ntawm Q235 thiab 45 # steel?
45 # yog cov pa roj carbon nruab nrab, nrog lub zog siab thiab tuaj yeem tempered; Q235 zoo dua rau vuam.