Qingdao KXD Steel Structure Co., Ltd
| Payment Terms | T/T |
| Supply Ability | 5000ton/Month |
| Delivery Time | 30days |
| Packaging Details | pallet |
| Brand Name | KXD |
| Model Number | KXD-SSW1059 |
| Certification | ISO, SGS, CE, BV |
| Place of Origin | Qingdao |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000ton/Month |
| Delivery Time | 30days | Packaging Details | pallet |
| Brand Name | KXD | Model Number | KXD-SSW1059 |
| Certification | ISO, SGS, CE, BV | Place of Origin | Qingdao |
| High Light | Pre-engineered steel building with warranty ，Customized steel structure building ，Quick erection steel building | ||
| Model NO. | KXD |
|---|---|
| Size | According to The Need of Design |
| Main Steel Frame Material | H Column |
| Roof and Wall | Sandwich Panel |
| Window | Aluminium Alloy or PVC |
| Door | Sliding Door or Roll up |
| Grade | Q235B |
| Connecting | Bolt |
| Delivery Port | Qingdao Port |
| Material | Steel Structure |
| Certification | ISO, CE, SGS |
| Customized | Customized |
| Warranty | 30 Year Limited Warranty |
| Transport Package | Seaworthy Package |
| Specification | SGS / ISO/BV |
| Trademark | KXD |
| Origin | China |
| HS Code | 9406000090 |
| Production Capacity | 15000 Square Meters Per Month |
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).
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.
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.
Preparation of Plates:
Preparation of Beams/Tubes:
Submerged Arc Welding Procedure:
MIG Welding Procedure:
Painting System Specification:
With 20 year warranty in the steel building industry, our company maintains strict quality standards. We have acquired ISO9001 and CE certificates. Related standards we strictly follow:
Purpose: To ensure the quality of fillet weld, meeting technical requirements of welded members and improve standardization of fabrication.
Application Scope: Applies for design, fabrication and inspection of fillet weld size.
| Form of Fillet Weld Leg | K (Fillet Weld Size) Value | Note |
|---|---|---|
| Fillet weld without groove | K=(0.7~1)t and ≤15mm | For most steel structure buildings |
| Fillet weld without groove | K=(0.5~0.6)t | For strengthening ribs and secondary members |
| Fillet weld with groove (CJP and PJP) | K=t/4 and K≤10mm | For 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 value being 5 for crane beam) |
| 6 | 5 |
| 12 | 6 |
| t>20 | 8 |
Manufacturing Process: Steel plate cutting → H section assembly → Automatic welding → H section strengthening → Assembly → Manual welding → Shot blasting → Painting → Storage
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. 4 hydraulic positioning system presses flange and web plates. CO2 gas shielded welding for fixing.
H section members hoisted into gantry-type submerged arc automatic welding machine. Preheating for ultra-thick plates using electrical heaters.
Correction of flange flatness using H section steel flange plate strengthening machine. Flame correction for perpendicularity when needed.
Manual welding processes as required for specific components and connections.
Surface of members must be even, flat, glossy with full painting. Standard thickness: 150μm indoor, 125μm outdoor.
To ensure welding quality, meet technical requirements of welded members and improve standardization of fabrication.
Applies for design, fabrication and inspection of groove joint in manual arc welding, CO2 arch welding, mixed gas arch welding, submerged arc welding and electroslag welding.
Key Design Considerations:
Groove Direction Factors:
| Mark | Welding Method | Penetration Type |
|---|---|---|
| MC | Shielded metal arch welding | CJP-complete joint penetration |
| MP | Shielded metal arch welding | PJP-partial joint penetration |
| GC | Shielded arch welding / Self-shielded arc welding | CJP-complete joint penetration |
| GP | Shielded arch welding / Self-shielded arc welding | PJP-partial joint penetration |
| SC | Submerged arc welding | CJP-complete joint penetration |
| SP | Submerged arc welding | PJP-partial joint penetration |
| SL | Electroslag welding | - |
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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