Qingdao KXD Steel Structure Co., Ltd
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The steel material industry is the foundation for the development of the steel structure industry. The technological progress of the Chinese steel material industry has created favorable conditions for the steel structure's application. In China the steel structure industry has developed rapidly. Now it has become the largest steel structure country in the world with the largest amount of steel structure, the strongest manufacturing capacity, the largest industrial scale and the largest enterprise scale.
The international market integration of modern steel structure is the new development direction of the construction industry. The development of steel structure is the innovation performance of the construction industry development.
| Buildings’ structure Type | Building service lifetime (years) | ||
| Non-production processing building | Production processing building | Corrosive Production processing building | |
| Steel structure | 80 | 70 | 50 |
| Reinforced Concrete structure | 60 | 50 | 35 |
| Brick Concrete structure | 50 | 40 | 30 |
| Wood and Brick structure | 40 | 30 | 20 |
| Simple structure | 5-10 | ||
| Widely Application | ||
| Industrial Warehouse/Workshop | Multi-layers building | Commercial building |
| Storage/Shed/Carport | Barn, Stable, Pen | Shopping mall |
| Hangar | Poultry house | Sports Stadium / Show room / Office |
| Main steel Frame | Materials | Q355b (equivalent to S355JR, ASTM A572 Gr. 50) Q235b (equivalent to S235JR, ASTM A36) |
| H section steel | steel plate thickness: 8-30mm | |
| Welding | Automatic submerged arc welding | |
| Rust removal | Sand blasting | |
| Surface finish | Alkyd / Epoxy zinc paint / hot dipping galvanized | |
| Connection | By High strength bolts, Grade 10.9, Grade 8.8 | |
| Secondary steel frame | Angle steel brace | L steel, Q235b, painted / hot dipping galvanized |
| Horizontal brace | Steel bar, Q235b, painted / hot dipping galvanized | |
| Column brace | Steel bar, Q235b, painted / hot dipping galvanized | |
| Tie beam | CHS, Q235b, painted / hot dipping galvanized | |
| Connection | By ordinary bolts, Grade 4.8 | |
| Roof System | Purlin | C/Z purlin, Q235b, pre-galvanized 100g-275g |
| Roof panel | Insulated sandwich panel or Corrugated steel sheet | |
| Edge cover | steel sheet trimming | |
| Gutter | Stainless steel / Galvanized sheet | |
| Down pipe | Φ110 PVC-U, Φ150 PVC-U | |
| Fix Accessories | sealing, self-tapping screws, etc. | |
| Wall System | Purlin | C/Z purlin, Q235b, pre-galvanized 100g-275g |
| Wall | Insulated sandwich panel or corrugated steel sheet | |
| Accessories | sealing, self-tapping screws, etc. | |
| Edge cover | steel sheet trimming | |
| Fix Accessories | sealing, self-tapping screws, etc. | |
| Door and window | Different sizes and types are possible to custom. | |
| Additional options | Skylight panel; Roof ventilator; Parapet; Glass curtain wall; Decorative aluminum panel | |
Certification Service
We support third-party factory inspections and quality verification, like SGS, BV, ITS. Till now, we have made various certifications to meet different regions policy. There are SGS, ISO, CE, EN1090, EXC etc.
Workshop Visit and Product Check Service
You are warmly welcome to visit our production lines before the order, your project processing during the production and finished steel components in the packing and loading.
Flexible Payment
Different payment terms like T/T, LC, with FOB, CIF, CFR on options.
Design Service
For products, we accept the production exactly same as your own drawing details. Different standards or the equivalent exchange are both acceptable.
If you have only ideas, we could offer free architectural design and production for you.
Production Service
All raw materials are purchased from qualified mills and the materials quality should be checked when received.
Quality control will be done in each production progress to guarantee every steel component quality. And each component will packed and protected before the shipment.
Installation Support
We offer free assemble guide and solve any technical questions in the installing time.
If the client has the demands, we could also send our engineer to guide or send our installing team to install on site. Different plans are for clients' option.
Exacuted Projects:
Welcome to Contact further & Visit!
| Tell us | Offer our customized solution & budget | Confirm and start |
| Share your project requirements, drawings or ideas as detailed as possible | Our team will develop the best solution based on your specifications and provide an budget for you. | After your approval,we'll start detailed drawing for production and manage every aspect of delivery and installation. |