Customization: | Available |
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After-sales Service: | Installation Guidance on Construction Site |
Connection Form: | Bolt Connection |
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Arch Roof Metal Warehouse Buildings / Curve Large Span Steel Structures Framing
Arch Roof Metal Warehouse Buildings / Curve Large Span Steel Structures Framing. The roof beam is arch H-section steel. According to the processing drawings, the steel plates of the corresponding materials are cut, bended, assembled and welded, polished and rust-removed, and the factory inspection is carried out by the external supervisors. After the acceptance is passed, the packaging trucks are shipped. Arch Roof Metal Buildings could provide large inside space and has better structure stablity.
We are one professional steel structure fabrication and construction company for light and heavy steel structure project. Our service include design, fabrication for all the steel structure components and insullation panel, installation on site.
Item name |
Specification | Material Parameter | Technical Treatment |
Column | H section steel | Q235B,Q345B | Paint or Hot dip galvanized |
Beam | Arch section steel | Q235B,Q345B | Paint or Hot dip galvanized |
Bracing | Steel rod,Steel pipe,Angle steel | Q235B,Q345B | |
Purling | C or Z shape, purling Thickness:1.8mm~3.0mm | Q235B,Q346B | Hot dip galvanized |
Wall and roof panel | EPS,Rock wool,Pu,Glass wool Sandwich panel or Single sheet. | Steel T=0.426~0.8mm,insulation T=50~150mm | Alu-zinc 150g, Fluorocarbon paint |
Door | Sliding or rolling door | Steel or Aluminum sheet,T=1.0~1.5mm | Paint or Hot dip galvanized |
Window | alloy-Glass,Aluminium alloy-shutter | T=1.0~2.0mm | Alloy |
Lighting panel | FRP, T=1.5mm or T=1.8mm | Coefficient of thermal expansion:2.2x10-5/cm/cm/ºC | Light transmittance 85% |
Ventilator | Turbine ventilator, and electric type | Steel,stainless steel,PC | Paint or Hot dip galvanized,304 |
Gutter | Galvanized or stainless steel plate | T=2.0mm | Hot dip galvanized,304 |
Downpipe | PVC pipe,Color steel pipe T=0.5mm | Φ110,160,200 | Paint |
Bolt | Ordinary, high strength | 10.9S,4.8s | Hot dip galvanized |
Anchor bolt | Steel rod M24,M27 M30 | Q235B |
1.
QC/Technical Support
Raw material quality control
Thickness tolerance <0.25mm
Yield and tension strength testing in-house
Third party inspection certificate
Supply traceable mill certificate
Structural steel fabrication quality control
100% testing dimension tolerance <1mm
20% sample welding line ultrasonic testing, no fault, full penetration.
20% magnetic powder testing, no bubble, no defect, Smooth and Full
Supply third-party inspection assistance.
Shot blasting and painting quality control
Shot blasting grade Sa. 2.5 Metal luster, no rust, no oil dirt, no welding spatter, Roughness >75um
Paint primer within 5 hours after shot blasting, Holiday-free coatings, smooth, No dust, Dry Film Thickness (DFT) >75UM
Pre-assembly testing the connection details.
1. You are manufacture factory or trading company?
1. Professional design team, we could design the drawing as your requirement or calculate the steel quantity based on your drawing.
2. Skilled fabrication team and advanced equipment. We make the independent production schedule to each project.
3. One-stop service: We have completed lots such kinds of projects, we could provide the integrated proposal for your project.
4. Professional QC team will guarantee that we will provide the production and service as your request.
5. After sales service: If it has any questions that need us to do in your process of using, such as the maintain of outside insulation and steel components, just tell us , we will try to provide the service as well as we can.