Q235 used for bridges?
A: Small bridges, pedestrian bridges, railings, connectors; large bridge main beams mostly use Q355 and above.
Q235 used for enclosures/decoration?
A: Awnings, door and window frames, railings, ceiling joists, billboard frames.
Q235 used for foundations/basements?
A: Steel casings, steel supports, anchor bolts, steel sheet piles, foundation pit supports.
Q235 used for municipal works/small-scale projects?
A: Guardrails, bus shelters, manhole cover frames, landscape steel frames, amusement facilities.
Q235 strength design values (steel structures)?
A: Tensile/compressive/bending strength: 215 N/mm² (t≤16mm); Shear strength: 125 N/mm²; End bearing capacity: 325 N/mm².