Q390NC is a normalized high-strength structural steel plate with improved impact toughness compared with Q390NB. Manufactured according to GB/T 1591, Q390NC requires impact testing at 0°C.

With high strength, good weldability, and reliable toughness, Q390NC is suitable for structural projects where enhanced safety performance and durability are required.

CEHE STEEL supplies Q390NC steel plates for construction, infrastructure, and heavy fabrication applications.