Cold-formed U-shaped steel is thin steelstrip rolled into a U-shape at room temperature, featuring thin walls, highprecision, and light weight. It is completely different from hot-rolled channelsteel in terms of bearing capacity—it belongs to the category of light andmedium-light load-bearing and enclosure profiles.
1. Features (Comparison with Hot RolledChannel Steel)
Cold-formed U-beams:
Thickness: 0.8–6mm, commonly 1.5–3mm
Grade:Q235、Q355、S350GD+Z
High precision, good surface, can be perforated, galvanized /aluminized with magnesium zinc
It weighs 15–30% lighter than hot-rolled, suitable for light loads, purlins, supports, and keels
2. Common Specifications (Cold-Formed U)
Height: 50, 80, 100, 120, 150, 200, 250, 300mm
Wingspan: 25–100mm
Thickness: 1.2, 1.5, 2.0, 2.5, 3.0mm
Length: 6m, 9m, 12m, or fixed length
Naming example: U100×50×2.0 (height 100, wingwidth 50, thickness 2)
3. Main Uses (Most Common Scenarios)
1) Photovoltaic mounting brackets (verymany)
Photovoltaic main purlins, secondary purlins, crossbeams, and columns
Galvanized anti-corrosion and perforated bolted connections require no welding
2) Steel structure factory / enclosure
Roof/Wall Purlins (Alternative to C-Beams)
Partition wall keels, door and window frames, gutter brackets
3) Electromechanical, utility tunnels,cable trays
Cable tray brackets and arms
Fire protection / water supply and drainage / ventilation duct hangers and lightweight supports
Distribution boxes and equipment base frames
4) Storage shelves
Light/medium rack columns and shelf support beams
Attic platform secondary beams and fence frames
5) Curtain walls, decoration, and municipalworks
Glass curtain wall sub-frames and corner yards
Billboards, bulletin boards, bus shelter frameworks
Community guardrails, non-motor vehicle sheds, and flower racks
6) Agriculture and animal husbandry
Greenhouse arch frames, columns, and gutters
Breeding sheds and fence frames
4. Surface treatment
Hot-dip galvanizing (Z80–Z275): Outdoor photovoltaic, mount, most commonly used
Aluminized Magnesium-Zinc (AZ150+): High corrosion resistance, lifespan 2–3 times longer than ordinary galvanized metal
Black Material (Bare Steel): Indoor spray painting / baking paint
Pre-punching: round hole / waist hole, on-site bolt assembly, no welding required
from2
Address*
*