China Cheap Prefabricated Steel Roof Trusses For Building
China Cheap Prefabricated Steel Roof Trusses For Building
Advantage
1.Large span: single span or multiple spans, the max span is 36m without middle column
2.Short construction cycle, easy to install and save the time and labor,low maintenance cost
3.Stable structure:light in weight and higher strength
4.Earth-quake resistance, impact resistance, wind resistance,stronge corrosion resistance
5.Beautiful appearance, flexible layout, space-efficient
6.Environment protection
Our Service
1.We have our own technical team, our seasoned engineers could make the design drawing
as per request
2.Our experienced engineers could make the installaition drawings to make the assemble more
easier, it will assist you to save the labor and time. Meanwhile, we also will supply technical
support during installation and after-sale service.
3.If needed, we could send our engineer to help you on the installation.
Steel structure design common norms are as follows:
"Steel Design Code" (GB50017-2003)
"Cold-formed steel structure technical specifications" (GB50018-2002)
"Construction Quality Acceptance of Steel" (GB50205-2001)
"Technical Specification for welded steel structure" (JGJ81-2002, J218-2002)
"Technical Specification for Steel Structures of Tall Buildings" (JGJ99-98)
Commonly used steel grades and performance of steel
Carbon structural steel: Q195, Q215, Q235, Q255, Q275, Q345,etc.
High-strength low-alloy structural steel
Quality carbon structural steel and alloy structural steel
Special purpose steel
Quotation
Below info needed for the quotation:
| Project Name | steel structure warehouse |
| Size | total length and width, roof and eave height, roof pitch, etc |
| Roof and Wall | option: EPS, fiber glass, rock wool or PU sandwich panel |
| Door and Window | PVC or Aluminum alloy; sliding door or rolled door |
| Column and Beam | option:hot rooled or welded H section, I section; painting or galvanized |
| Purlin | option:C-Section or Z-section |
| Local Climate | 1.wind speed 2.snow load 3.rain quantity 4.earthquake grade if have More details is preferred. |
| Crane parameter | If need crane beam, crane tons parameter and lift height are needed |
| Drawing | 1.according to clients' drawing |
| 2.design as per clients'dimension and requests | |
| Package | Naked loaded in shipping container or as requests. |
| Loading | 20'GP,40HC, 40'GP,40'OT |
Corrugated Steel Sheet
Wall and Roof Panel
Director Co.,Ltd is a China based manufacturer of steel structure building, prefabricated house and related steel products. Our products include the prefabricated house, steel structure building such as warehouse, workshop, dormitories, etc.) Container house, modular house, sandwich panels and so on. e have exported our products to over 40 different countries around the world. We have our own engineers who can provide the perfect designs according to the customers' demand.
We are an ISO9001 registered company, and we produce the products in Chinese National Standard, international standard, and customer's special request.
Production
Produce:
1. Production job based on steel building confirmed drawing.
2. We also can make the products with materials and drawing from customer.
3. Quality control work goes through every step during production.
4. Third Party Quality Check , customer on-site quality inspection and any other reasonable inspection way is ok.
After-sale service:
1.After production, we will supply steel building installation drawing
2.Send techinican to guide installation on site if customer request.
3. After years, building cladding need to be moved away. We will offer materials that need re-new.
4. If you have a building, not made by us, we can help check the strength of the steel structure.
Additional service:
1.If you have something need to be sent together. We can arrange loading container.
2. if need us help to buy other products, we can help source and buy for you.
3. if need us check the other factory, or need us inspect the container loading , we can help free.
4. when you to come to China for short travel, you need the language, hotel booking service. we would like help.
1.Common type of the industrial building? Reply:Portal frame is the usual type in the industrial workshop and warehouse shed.Other types also could be designed and manufacturer as per clients's equest. |
2.What's the quality grade of the steel structure components? Reply:Q345 is used for main steel structure,Q235 is used for secondary steel structure. |
3.How about the delivery time? Reply:Usually,within 25-60 days after the order confirmed,also depends on the fabrication quantity. |
4.How about the derust grade? Reply:Ball blasting Sa2.5 on main steel structure manual derust St2.0 on secondary steel structure. |
5.What kind panel used for the roof and wall? Reply: Color corrugated steel sheet and sandwich panl could be used.Sandwich panel performs well on the heat insulation,sound insulation.Common sandwich materials are EPS, glass wool and PU. |
6.How to install it? Reply: We will furnish you the detailed construction drawing and theconstr uctionmanual which could help you to erect and install the building step by step.We also could send the engineer your local to help you if needed. |
7.Maintenance: Reply:Finish paint need be done after the frame installed,and do it again after 6-8 months. So the surface willstay m ore time. |
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