What are the main applications of Q235 steel plate?
A: General structural components such as building structures, factories, bridges, towers, containers, vehicles, machinery bases, and sheet metal parts.
What are the corresponding European/American/Japanese standards for Q235 in foreign trade?
A: Approximately corresponding to: ASTM A36, EN S235JR, JIS SS400 (with slight differences in composition/performance).
What are the common requirements for Q235 in foreign trade procurement?
A: Material certificate (Mill Test Certificate), dimensional tolerances, surface quality, impact test (B/C/D grade), and flaw detection (UT/MT).
What are the precautions for storing and transporting Q235 steel plates?
A: Protect from moisture, rain, and scratches; stack on wooden blocks to avoid direct contact with the ground; use specialized lifting equipment for hoisting.
How to choose between Q235 and Q355?
A: Choose Q235 for ordinary loads and cost-effectiveness; choose Q355 for heavy loads, high-rise buildings, and large spans.