Prefabricated Commercial Steel Building Prefab Light Steel Frame Modular Buildings
Product Description
List of warehouse materials:
- Main rigid frame: Composed of columns and beams; includes crane girder if required
- Common materials: Q235, Q355
- Common cross-sectional forms: H-shaped steel, trusses (beams mostly used), lattice columns
- Common structural forms: portal rigid frame, frame structure
- Support system: Includes tie rods, horizontal supports, inter-column supports, and corner supports
- Tie rods materials: steel pipes, rectangular pipes, H-beam, channel steel, C-beam, angle iron
- Inter-column support materials: round steel, steel pipe, angle iron, H-beam, channel steel, I-beam
- Angle braces materials: angle iron
- Enclosure system: Includes purlins, purlin rods, roof panels, wall panels, doors, windows, lighting panels, and gas floors
- Purlin materials: C-shaped and Z-shaped cold-formed steel with hot-drawn or hot-rolled galvanized steel plate
- Wall and roof panels: high-strength cold-rolled color steel plates, galvanized or aluminum-zinc color steel plates, stainless steel plates, aluminum alloy plates, titanium alloy plates
Material Classification
- By composition: Ordinary carbon steel (Q235) and ordinary low-alloy steel (Q355, Q390, Q420)
- By intensity: Q235, Q355, Q390, Q420 (Q235 and Q355 most commonly used)
Basic Design Data (Project Dependent)
- Dead load: must be provided
- Live load: must be provided
- Wind load: must be provided
- Snow load: required in areas with snow
- Ash load: required in dusty places (deserts, cement plants)
- Crane load: lifting weight, number of cranes
- Seismic load: must be provided
Component Connection Methods
- Welding connection
- High-strength bolt connection
- Rivet connection
Anti-Corrosion Methods (Commonly Used)
- Galvanizing
- Spray anticorrosive paint: red dan, iron red, epoxy zinc-rich paint
Advantages of Steel Structure
- High strength
- Good reliability
- Easy to construct
Features of Lightweight Steel Structure
Lightweight, accurate, convenient and fast molding, convenient for industrial production and transportation, construction and installation are more convenient, short construction period and low cost.
Technical Parameters
| Item Name |
Materials Characteristics |
Material Grade |
Surface Treatment |
| Steel Column |
H shape, Box, Steel Pipe, Hot rolled sheet |
Q235B, Q345B |
Paint or Hot dip Galvanized |
| Steel beam |
H shape, Box, Steel Pipe, Hot rolled sheet |
Q235B, Q345B |
Paint or Hot dip Galvanized |
| Steel Bracing |
Steel Rod, Steel Pipe, Angle Steel |
Q235B, Q345B |
Paint or Hot dip Galvanized |
| Steel Purlin |
C or Z purlins (Thickness 1.8mm~3.0mm) |
Q235B, Q345B |
Hot dip Galvanized |
| External Wall panels, Roof panels |
Single colorful corrugate steel sheet, sandwich panels with EPS, Rock wool, PU |
Galvanized Steel+Painting |
Alu-zin 150g, Fluorocarbon paint |
| Steel buildings Door |
Sliding or Rolling door |
Steel or Aluminum sheet |
Paint or Hot dip galvanized |
| Steel buildings Windows |
Aluminum alloy-Glass, Aluminum alloy-shutter |
T=1.0-2.0mm |
Alloy |
| Skylighting panels |
FRP T=1.2mm-1.8mm |
Coefficient of thermal expansion: 2.2x10-5/cm |
Light Transmitar 85% |
| Ventilator |
Turbine ventilator on a ridge |
Steel, Stainless steel, PC |
Paint or Hot dip Galvanized |
| Gutter |
Galvanized steel plate, Stainless steel plate |
T=2.0mm |
Hot dip galvanized |
| Downpipe |
PVC pipe, color steel pipe Y=0.5mm |
Dia110mm |
Paint |
| High Bolt |
Ordinary, High strength |
10.9S, 4.8S |
Hot dip galvanized, Steel |
| Ground bolts |
Steel Rod M24, M27, M30, M33, M39, M42 |
10.9S |
Steel |
Packing and Shipping
Product Packaging
- All steel structure components are packed in bundles and wrapped in plastic sheets
- Roof and wall panels are packed in bundles and wrapped in plastic sheets
- Hardware and accessories are packed in boxes
- All packages are marked with labels indicating the contents and destination
Shipping
- Shipping will be arranged by our company or the customer can use their own shipping agent
- The shipping method will depend on the size and weight of the product
- Shipping fees will be quoted based on the destination and shipping method
- We will provide all necessary documentation for customs clearance
FAQ
Q: Are you manufacturer or trading company?
A: We are manufacture factory, located in Qingdao city, near to Qingdao port. And we have total 3 workshops from steel structure to wall and roof sheet.
Q: How about your quality control?
A: We have got certificate ISO & CE. Products processing through cutting, bending, welding, shot blasting, ultrasonic testing, packing, storing, loading to ensure no quality defects.
Q: Is third party inspection available?
A: SGS, BV, TUV, etc. are available, it is according to client requirement.
Q: How about your delivery time?
A: Generally within 30-45 days, it is according to order quantity, partial shipment is allowed for big order.
Q: What about the installation?
A: We'll provide the detailed installation drawing, supervisors guiding installation is available. We can do turnkey job for some kind of projects.
Q: How to ensure the product you supply is what we want exactly?
A: Sales and engineer team will provide you the suitable solution according to your requirements before placing order. Proposal drawing, Shop drawing, 3D drawing, Materials photos, Finished projects photos are available, which will help you understand the solution we provided deeply.