Custom Prefab Steel Structure Warehouse Industrial Logistics Storage Workshop Fast Build Steel Frame

Product Description

Product Description

Steel Structure Warehouse / Steel Structures Workshop

Warehouse and workshop steel structures are made of high-strength steel (such as Q355B, S355JR, etc.), featuring high strength-to-weight ratio, large spans with fewer columns, and high space utilization. All components are factory prefabricated for fast on-site assembly, reducing construction time by 30%-50% compared to concrete structures. The steel frame forms the main load-bearing skeleton, allowing integration of insulation, lighting, ventilation, and fire protection systems, and supports future expansion or relocation. It is widely used for industrial warehouses, logistics centers, production workshops, manufacturing plants, and agricultural storage. Buyers benefit from cost-effectiveness due to optimized steel quantity, flexible column-free interior space, service life up to 50 years, and compliance with international standards such as ASTM, EN, and JIS.

Key Features

High strength-to-weight ratio, allowing large spans with fewer columns. Factory prefabricated components ensure fast on-site assembly. Excellent resistance to earthquakes, wind, and corrosion.

Functions

Forms the main load-bearing skeleton of warehouses and workshops, supporting roofs, walls, and crane loads. Easily integrates insulation, lighting, ventilation, and fire protection systems.

Main Applications

Ideal for industrial warehouses, logistics centers, production workshops, manufacturing plants, agricultural storage, and temporary storage facilities.

Advantages for Buyers

Cost-effective – optimized steel quantity reduces foundation and overall costs. Fast construction – 30%-50% shorter than concrete structures. Flexible space – few or no internal columns for easy equipment layout and storage. Low maintenance – galvanized or painted finish ensures long service life (up to 50 years). Safe & reliable – compliant with international standards (ASTM, EN, JIS, GB).

Specification

Section Type	Common Height/Width Range (mm)	Flange/Web Thickness Range (mm)	Length Range (m)
Welded H-Beam	100-1200	6-40	6-18
Hot-Rolled H-Beam	100-900	5-35	6-18
C/Z Purlin	80-300	1.5-3.0	4-12
Square/Rectangular Tube	20×20 – 500×500	1.5-16	4-12
Round Steel Pipe	Φ21.3 – Φ630	2.0-20	4-12
Angle Bar	20×3 – 200×24	3-24	6-12

Component	Material Grade	Specification Range	Notes
Main Frame (Column & Beam)	Q235B, Q355B, S235JR, S355JR, A36	H-section: 150×150 – 1000×500 mm	Welded or hot-rolled, customizable
		Web thickness: 6-40 mm
		Flange thickness: 8-60 mm
Roof Purlin	Q235B, Q355B, S235JR	C or Z section: 80-300 mm height	Galvanized or pre-painted
		Thickness: 1.5-3.0 mm
Wall Purlin	Q235B, Q355B, S235JR	C section: 80-250 mm height	Galvanized or pre-painted
		Thickness: 1.5-3.0 mm
Bracing (Cross, Horizontal, Tie Bar)	Q235B, Q355B	Round bar: Φ12-30 mm	Galvanized finish available
		Angle bar: L50×5 – L100×10
Column Base Plate	Q235B, Q355B	Thickness: 12-40 mm	Anchor holes pre-drilled
		Size: 200×200 – 600×600 mm
High-Strength Bolt	10.9S / 8.8S (GB/T 1231)	M16 – M30	With nut & washer, galvanized or plain
Ordinary Bolt	4.8 / 5.6 grade	M12 – M24	Galvanized or plain
Roof Panel	PPGI, color steel sheet	Thickness: 0.4-0.8 mm	Single sheet or sandwich panel (EPS/PU/Rockwool)
		Effective width: 820/840/900/1020 mm
Wall Panel	PPGI, color steel sheet	Thickness: 0.4-0.6 mm	Single sheet or sandwich panel
		Effective width: 820/900/950 mm
Purlin Clamp / Connection Plate	Q235B	Customized sizes	Galvanized or painted
Foundation Bolt (Anchor Bolt)	Q235B, Q355B	M16 – M48, length 500-2000 mm	With nut & washer, galvanized
Steel Decking / Floor Plate	Q235B, Q355B	Thickness: 0.8-1.5 mm	For mezzanine floor
		Profile: 51-200 mm height