Can Q235 be galvanized?
A: Yes, hot-dip galvanizing is common for corrosion protection.
What is the effect of thickness on properties?
A: Yield/tensile strength slightly decrease as thickness increases.
What tests are performed on Q235 plate?
A: Tensile, bending, impact (for B/C/D), visual inspection, dimensional check, ultrasonic test (UT) for thick plates.
What is the 脱氧 method (deoxidation)?
A:
A/B: rimmed (F) or killed (Z)
C: killed (Z)
D: special killed (TZ)
Is Q235 suitable for low-temperature service?
A: Only Q235D is reliable for -20°C; Q235C for 0°C; A/B not recommended for sustained low temps.