Applications in building structures?
Reinforcing steel, I-beams, H-beams, angle steel, steel plates, factory/bridge/tower construction, scaffolding.
27. Applications in machinery manufacturing?
Frames, bases, housings, flanges, common shafts, bolts and nuts, agricultural machinery parts.
28. Applications in transportation vehicles?
Automobile/truck frames, carriages, containers, rail accessories, non-critical ship components.
29. Other applications?
Furniture, shelving, kitchenware, low-pressure vessels, pipes, hardware.
30. Q235 vs Q345 (16Mn)?
Q235: Carbon structural steel, yield strength 235MPa, cheaper.
Q345: Low-alloy high-strength steel, yield strength 345MPa, higher strength, more expensive.