Qingdao KXD Steel Structure Co., Ltd
| Aesthetics | Modern/Contemporary |
| Delivery Time | 30days |
| Gutter System | Galvanized Steel Internal Gutter |
| Product Design | Customizable |
| Payment Terms | T/T |
| Maintenance Costs | Reduced |
| Quick Built | Easy Install |
| Tolerance | ±5% |
| Supply Ability | 5000ton/Month |
| Product Resistance | Corrosion Resistant |
| Sample Time | 7 Days If Standard Parts We Have |
| Cell Capacity | 8 hens per cell |
| Packaging Details | pallet |
| Model Number | KXD-SSW1059 |
| Certification | ISO, SGS, CE, BV |
| Brand Name | KXD |
| Place of Origin | Qingdao |
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Product Specification
| Aesthetics | Modern/Contemporary | Delivery Time | 30days |
| Gutter System | Galvanized Steel Internal Gutter | Product Design | Customizable |
| Payment Terms | T/T | Maintenance Costs | Reduced |
| Quick Built | Easy Install | Tolerance | ±5% |
| Supply Ability | 5000ton/Month | Product Resistance | Corrosion Resistant |
| Sample Time | 7 Days If Standard Parts We Have | Cell Capacity | 8 hens per cell |
| Packaging Details | pallet | Model Number | KXD-SSW1059 |
| Certification | ISO, SGS, CE, BV | Brand Name | KXD |
| Place of Origin | Qingdao | ||
| High Light | 50 Years Life Cycle Pre-engineered Steel Building ，Corrosion Resistant Steel Structure Building ，Quick Erection Industrial Steel Building | ||
Pre-engineered steel buildings are steel structures built over a structural concept of primary members, secondary members, roof and wall sheeting connected to each other and various other building components.
These buildings can be provided with different structural and non-structural additions such as skylights, wall lights, turbo vents, ridge ventilators, louvers, roof monitors, doors & windows, trusses, mezzanine floors, fascias, canopies, crane systems, insulation etc., based on customer requirements. All steel buildings are custom designed to be lighter in weight and high in strength.
Pre-Engineered Buildings are the most flexible solutions for contractors and owners. With advantages of low cost, high durability, perfect quality control and fast erection; PEBs are used for various applications:
Price per square meter can be 25%-30% lower than conventional steel buildings. Site erection cost is low because of faster erection times and easier erection process.
All steel components are fabricated at the factory and linked by bolts at the site. So the erection process is fast, step by step, easy to install and requires simple equipment. 60% less construction time required compared with traditional R.C.C (reinforced concrete) building.
Pre-engineered steel buildings are flexible in any requirement of design, easy to expand in the future and also economically with low transportation costs.
Nowadays, pre-engineered buildings are the green solution for the environment with CO2 reduction, energy efficiency, and recyclability.
Pre-engineered metal buildings consist of following components:
Primary members are the main load carrying and support members of a pre-engineered building. The main frame members include columns, rafters and other supporting members. The shape and size of these members vary based on the application and requirements.
Secondary structural framing refers to purlins, girts, eave struts, wind bracing, flange bracing, base angles, clips and other miscellaneous structural parts.
Purlins, girts and eave struts are cold formed steel members which have a minimum yield strength of 345 MPa (50,000 psi) and will conform to the physical specifications of GB/ISO/CE or equivalent.
Standard steel panels are 0.3, 0.4, 0.5 mm or 0.6 mm thick and have a minimum yield strength of 345 MPa. Steel panels are hot dipped and galvanized with zinc or zinc-aluminium coating. The base material is pretreated, before applying a corrosion resistant primer and top coat. The combined thickness of the painted film is 25 microns on the front side and 12 microns on the reverse side.
Other building accessories include anchor bolts, fasteners (bolts, nuts, turnbuckle, expansion bolts), gutters, downspouts, doors, windows, ventilators, skylight panels, louvers and all other building-related materials.
Design and Development department creates structural drawings. Production department prepares items as per drawings.
With 20 year warranty in the steel building industry, our company maintains strict quality standards. We have acquired ISO9001 and CE certificates. Following standards are strictly adhered to for design and fabrication:
To ensure the quality of fillet weld, meeting technical requirements of welded members and improve standardization of fabrication.
This manual applies for design, fabrication and inspection of fillet weld size.
| Requirement | Specification |
|---|---|
| Minimum Fillet Weld Size | K≥1.5×t (t = thickness of thicker welding member) |
| Maximum Fillet Weld Size | K≤1.2t (t = thickness of thinner welding member) |
| Edge Welding | When t≤6mm, K≤t; When t>6mm, K≤t-(1~2)mm |
| Circular/Trench Holes | K≤(1/3)d (d = diameter of hole) |
| Form of Fillet Weld Leg | K Value | Application |
|---|---|---|
| Fillet weld without groove | K=(0.7~1)t and ≤15mm | Most steel structure buildings |
| Fillet weld without groove | K=(0.5~0.6)t | Strengthening ribs and secondary members |
| Fillet weld with groove (CJP and PJP) | K=t/4 and K≤10mm | Most steel structure buildings |
| Fillet weld with groove (CJP and PJP) | K=t/2 and K≤10mm | Important members (crane beams) |
| Parent Metal Thickness (t) (mm) | Minimum Fillet Weld Size |
|---|---|
| t≤6 | 3 (minimum 5 for crane beam) |
| 6 | 5 |
| 12 | 6 |
| t>20 | 8 |
Steel plate cutting → H section assembly → Automatic welding → H section strengthening → Assembly → Manual welding → Shot blasting → Painting → Storage
H section steel plate checked for design compliance. CNC cutting equipment preferred for quality and material saving. High purity gases used for smooth cutting surfaces.
Assembly on imported H section production line with hydraulic positioning system. CO2 gas shielded welding for fixing.
H section members welded using gantry-type submerged arc automatic welding machine with specified sequence and parameters.
Correction of flange flatness using strengthening machines. Flame correction for perpendicularity when needed.
Manual welding processes as required for specific components and connections.
Surface preparation using shot blasting equipment to achieve required surface grade.
Even, flat, glossy painting without cracking, peeling or pin holing. Standard thickness: 150μm indoor, 125μm outdoor.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2002
Total Annual:
150000000-150000000
Employee Number:
100~1000
Ecer Certification：
Verified Supplier
Qingdao KXD Steel Structure Co. Ltd is a leading manufacturer specializing in prefab modular camps, pre-engineered steel buildings and foundation helical piles, providing reliable and cost-effective solutions for temporary housing, construction sites, event spaces, and off-grid living. With a str... Qingdao KXD Steel Structure Co. Ltd is a leading manufacturer specializing in prefab modular camps, pre-engineered steel buildings and foundation helical piles, providing reliable and cost-effective solutions for temporary housing, construction sites, event spaces, and off-grid living. With a str...
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