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.
Q235 and Q355 as the popular construction steel materials.
Q355 is mainly used for main steel frame. Like column, beam, wind speed resistant column, crane girder...
Q235 is mainly used for secondary steel frame. Like tie bar, brace, vertical/horizontal support...
| 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 bolt, Grade 10.9, Grade 8.8 | |
| Supporting System | 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 bolt, Grade 4.8 | |
| Roof | 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. | |
| Walls | 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 option | Skylight panel; Roof ventilator; Parapet; Glass curtain wall; Decorative aluminum panel | |
Our Machines and production lines show:
With rich experience of various type steel buildings, we have been successfully completing overseas projects in North America, South America, South Asia and Africa countries.
| Free Custom Design for you | |
| Live load on Roof | within 120kg/Sqm |
| Wind Resistance Grade | 12 Grades |
| Earthquake-resistance | 8 Grades |
| Structure Usage | Up to 50-70 years |
| Temperature | Suitable temperature.-50°C~+50°C |
| Certification | CE, SGS,ISO9001:2008,ISO14001:2004 |
| Wall and Roof Options | Different coating and colors available |
| Paint Options | Alkyd , Epoxy zinc, Hot dipping Galvanize |
KXD is on-line for your any questions! Feel free to contact!