Q235A: Where is it used?
A: General structures, supports, embedded parts; no low-temperature impact requirements.
Q235B: Where is it used?
A: Buildings, factories, bridges, conventional welded structures (most commonly used).
Q235C: Where is it used?
A: Low-temperature environments (0℃), important welded parts.
Q235D: Where is it used?
A: -20℃ low-temperature structures; high toughness requirements.
What are some common Q235 profiles?
A: Angle steel, channel steel, I-beams, H-beams, steel plates, reinforcing bars, welded pipes.