Common Specifications?
Steel Plates: 6–100mm; Section Steel: H-beams, I-beams, channel steel; Steel Pipes: Seamless/Welded pipes.
Design Strength Values?
Yield strength is determined by thickness grade, with a design strength value f = 310–345MPa (steel structure specifications).
Impact Energy Requirements?
V-notch, Akv ≥ 34J (Grades B/C/D); Grade E, Akv ≥ 27J.
Can it replace Q235?
Yes, it can replace Q235, offering higher strength and lighter weight, but at a slightly higher price (approximately +8%–12%).
Procurement Considerations?
The quality certificate must include: grade, class, furnace number, composition, mechanical properties, impact energy, and flaw detection results.