ACIER GAOERJI
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Steel Building Components Direct from Factory
GAOERJI provide high-load, precision-machined standard and customized steel building components to help contractors worldwide significantly reduce on-site assembly time. Gorky is the real source of manufacturers, eliminate all middlemen links, support bulk procurement and customization, to provide you with competitive ex-factory prices and faster delivery speed.
low alloy high strength steel Matériau
Over fifty years Durée de vie
12 meters to 36 meters single span Plage de mesure
hot dip galvanized or zinc rich primer Traitement de surface
twelve meters single member Longueur maximale
3.5 kN per square meter Load capacity
40% shorter than the traditional way Durée de la construction
Nos produits
GAOERJI steel structure building components are mainly used in the construction of heavy industrial plants, modern logistics warehouses, multi-storey steel structure office buildings and commercial gas stations and other building skeletons and enclosure systems.
components characteristics of steel building
Precision numerical control blanking
three-dimensional deepening design and numerical control cutting are adopted, and the blanking tolerance of components is controlled within plus or minus 1.5mm, thus increasing the assembly speed on site by more than 30%.
High standard anti-corrosion and anti-rust
the surface is coated with hot-dip galvanized or zinc-rich anti-rust primer, and the film thickness is uniform to more than 85 microns, which can effectively resist the corrosion of harsh environment.
High strength bearing material
select low alloy high strength steel, yield strength of more than 355 MPa, than ordinary carbon steel bearing capacity increased by more than 25%.
One-stop component matching
provide a complete set of components from main rigid frame, secondary purlin, brace to color steel plate, sandwich plate, etc., eliminating the tedious process of purchasing and piecing together from multiple channels.
Compliance with overseas engineering specifications
the products strictly follow the international mainstream building structure specifications and welding processes, and complete material certificates and non-destructive testing reports are attached to the factory.
Prefabricated quick assembly design
the components are pre-punched, pre-welded and marked in the factory, and the workers only need to bolt according to the drawings, which shortens the construction period by 40% compared with the traditional welding construction.
Detailed structural parameters of steel building components
| Parameter Classification | Nom du paramètre | Technical Specifications and Standards Data |
| Matériau principal | Qualité de l'acier | Q355B, Q235B |
| Matériau principal | Limite d'élasticité | 235 MPa to 355 MPa |
| Précision d'usinage | Length tolerance | Within ±2.0 mm |
| Précision d'usinage | Hole Spacing Tolerance | Within ±1.0 mm |
| Traitement de surface | Galvanisation à chaud | The zinc coating thickness is greater than or equal to 85 micrometers, and the zinc coating weight is greater than or equal to 600 grams per square meter. |
| Traitement de surface | Anti-corrosion primer | Epoxy zinc-rich primer and epoxy micaceous iron oxide intermediate coat, with a total film thickness of ≥120 micrometers. |
| Forme structurelle | Procédé de soudage | Submerged arc welding and carbon dioxide gas shielded welding achieve a 100% pass rate in non-destructive testing of weld seams. |
| System Support | Secondary structural components | C-type and Z-type galvanized purlins, with a thickness of 1.8 mm to 3.0 mm. |
| System Support | Enclosure system | Color-coated steel sheets (0.4 mm to 0.8 mm thick), rock wool or polyurethane sandwich panels (50 mm to 150 mm thick). |
| Normes de conception | Niveau de résistance au vent | Capable of withstanding a Category 12 typhoon, with a wind load designed for 0.5 kN per square meter. |
| Normes de conception | Fortification sismique | Intensity reached 8 degrees |
steel building components contrast point
In the field of steel structure building components, the GAOERJI has achieved seamless connection between factory prefabrication and on-site installation by virtue of its deep technical accumulation. We not only provide basic component processing, but also rely on advanced in-depth design software to provide complete mechanics and layout optimization. Compared with ordinary steel component suppliers, GAOERJI perform better in material stability, anti-corrosion and weather resistance and large-span load-bearing design. Through strict non-destructive testing and numerical control drilling process, our products can effectively avoid the construction stagnation problem caused by different lengths and hole dislocation on overseas construction sites.
Eliminate the deviation of secondary opening on site
complete high-precision positioning and drilling of components before leaving the factory, so as to avoid re-opening due to hole deviation during overseas construction.
Resistance to coastal rain and high humidity corrosion
the use of large amount of galvanized hot-dip zinc or zinc-rich paint, improve the common components in humid climate easy to rust peeling phenomenon.
Avoid extrusion deformation in long-distance transportation
optimize binding and packing for standard containers to solve the problem that special-shaped structures are easy to be compressed and deformed in sea transportation.
Target audience for steel building components
Industrial Plant and Warehouse Contractor
Designed for construction firms undertaking large-scale industrial plants, modern logistics centers, and cold‑chain warehouses, we provide high‑strength, easy‑to‑assemble primary steel frames and exterior envelope components.
Multi‑Story Commercial Construction Contractor
Designed for contractors undertaking multi‑story steel‑frame office buildings, hotels, multi‑level parking garages, and similar projects, this solution provides high‑performance standard multi‑story steel columns and composite floor decking systems.
General Contractor for Special Steel Structure Projects
Catering to overseas engineering firms undertaking specialized steel structure projects such as bridge construction, power transmission towers, and scenic observation towers, we supply high‑safety‑standard, non‑destructively tested proprietary steel components.
Modular home and villa builder
We cater to developers and architects engaged in the development of light‑steel villas and prefabricated container homes, providing high‑precision, lightweight, and rapidly installable light‑steel framing along with matching composite panel components.
steel building components instructions
Arrival inventory and classified stacking
check the packing list and component number when unloading, and use square wood pad to classify stacking on flat ground to prevent deformation.
Hoisting positioning and temporary fixation
refer to the hoisting drawings, use slings to mount the main steel beam, and immediately after positioning, use temporary cable wind rope and bolt primary fixation.
Tightening and correction of high-strength bolts
after the structure is formed, the high-strength bolts shall be finally tightened with a torque wrench, and the verticality of the steel column shall be corrected synchronously with the theodolite.
Laying and sealing of enclosure board
after the frame is fixed, the color steel plate of roof and wall is laid from one side, and the lap joint is fixed with waterproof sealant and self-tapping nail.
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FAQ et contact
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Q: What international standards do GAOERJI steel building components meet?
A: Our components are designed and produced in strict compliance with international mainstream building codes. The steel is made of low alloy high strength steel, which can be equivalent to the mainstream construction steel standards such as American standard and European standard in terms of tensile strength and yield strength.
Q: How to ensure that the export components do not rust and damage during shipping?
Answer: We will strictly hot-dip galvanizing or spraying high-corrosion primer on all components before leaving the factory. Special steel frame shall be used for packing and fixing, and protective pads shall be installed at key friction parts.
Q: When we install on site, how do we ensure that the various steel components can be accurately spliced?
A: We use professional design software for 3D modeling and collision checking before production. All components are processed with high precision and pre-drilled by numerical control equipment to ensure fast bolt splicing on site.
Q: If we encounter technical problems during the installation process, what support can we provide?
Answer: We will provide detailed installation drawings, component number drawings and node details with the goods. For large or complex projects, we can send experienced technical engineers to provide on-site installation guidance.
Q: Does the GAOERJI accept custom-sized steel structural components?
A: Yes. All of our steel structural components are supported to be customized according to drawings. Our engineering team can customize the detailed design according to the data you provide, such as project span, load, wind speed and snow load.
Q: Are high-strength bolts and various connection accessories provided with the components?
A: Yes. We provide one-stop purchasing service. When leaving the factory, we will match the required high-strength bolts, ordinary bolts, strips, rubber strips and various fastening accessories according to the design drawings, and reserve a certain margin.
N'hésitez pas à nous contacter. Nous nous réjouissons d'avoir de vos nouvelles.
Steel Building Components Direct from Factory
GAOERJI provide high-load, precision-machined standard and customized steel building components to help contractors worldwide significantly reduce on-site assembly time. Gorky is the real source of manufacturers, eliminate all middlemen links, support bulk procurement and customization, to provide you with competitive ex-factory prices and faster delivery speed.
low alloy high strength steel
Matériau
Over fifty years
Durée de vie
12 meters to 36 meters single span
Plage de mesure
components characteristics of steel building
Precision numerical control blanking
three-dimensional deepening design and numerical control cutting are adopted, and the blanking tolerance of components is controlled within plus or minus 1.5mm, thus increasing the assembly speed on site by more than 30%.
High standard anti-corrosion and anti-rust
the surface is coated with hot-dip galvanized or zinc-rich anti-rust primer, and the film thickness is uniform to more than 85 microns, which can effectively resist the corrosion of harsh environment.
High strength bearing material
select low alloy high strength steel, yield strength of more than 355 MPa, than ordinary carbon steel bearing capacity increased by more than 25%.
One-stop component matching
provide a complete set of components from main rigid frame, secondary purlin, brace to color steel plate, sandwich plate, etc., eliminating the tedious process of purchasing and piecing together from multiple channels.
Compliance with overseas engineering specifications
the products strictly follow the international mainstream building structure specifications and welding processes, and complete material certificates and non-destructive testing reports are attached to the factory.
Prefabricated quick assembly design
the components are pre-punched, pre-welded and marked in the factory, and the workers only need to bolt according to the drawings, which shortens the construction period by 40% compared with the traditional welding construction.
Detailed structural parameters of steel building components
| Parameter Classification | Nom du paramètre | Technical Specifications and Standards Data |
| Matériau principal | Qualité de l'acier | Q355B, Q235B |
| Matériau principal | Limite d'élasticité | 235 MPa to 355 MPa |
| Précision d'usinage | Length tolerance | Within ±2.0 mm |
| Précision d'usinage | Hole Spacing Tolerance | Within ±1.0 mm |
| Traitement de surface | Galvanisation à chaud | The zinc coating thickness is greater than or equal to 85 micrometers, and the zinc coating weight is greater than or equal to 600 grams per square meter. |
| Traitement de surface | Anti-corrosion primer | Epoxy zinc-rich primer and epoxy micaceous iron oxide intermediate coat, with a total film thickness of ≥120 micrometers. |
| Forme structurelle | Procédé de soudage | Submerged arc welding and carbon dioxide gas shielded welding achieve a 100% pass rate in non-destructive testing of weld seams. |
| System Support | Secondary structural components | C-type and Z-type galvanized purlins, with a thickness of 1.8 mm to 3.0 mm. |
| System Support | Enclosure system | Color-coated steel sheets (0.4 mm to 0.8 mm thick), rock wool or polyurethane sandwich panels (50 mm to 150 mm thick). |
| Normes de conception | Niveau de résistance au vent | Capable of withstanding a Category 12 typhoon, with a wind load designed for 0.5 kN per square meter. |
| Normes de conception | Fortification sismique | Intensity reached 8 degrees |
steel building components contrast point
Eliminate the deviation of secondary opening on site
complete high-precision positioning and drilling of components before leaving the factory, so as to avoid re-opening due to hole deviation during overseas construction.
Resistance to coastal rain and high humidity corrosion
the use of large amount of galvanized hot-dip zinc or zinc-rich paint, improve the common components in humid climate easy to rust peeling phenomenon.
Avoid extrusion deformation in long-distance transportation
optimize binding and packing for standard containers to solve the problem that special-shaped structures are easy to be compressed and deformed in sea transportation.
Target audience for steel building components
Industrial Plant and Warehouse Contractor
Designed for construction firms undertaking large-scale industrial plants, modern logistics centers, and cold‑chain warehouses, we provide high‑strength, easy‑to‑assemble primary steel frames and exterior envelope components.
Multi‑Story Commercial Construction Contractor
Designed for contractors undertaking multi‑story steel‑frame office buildings, hotels, multi‑level parking garages, and similar projects, this solution provides high‑performance standard multi‑story steel columns and composite floor decking systems.
General Contractor for Special Steel Structure Projects
Catering to overseas engineering firms undertaking specialized steel structure projects such as bridge construction, power transmission towers, and scenic observation towers, we supply high‑safety‑standard, non‑destructively tested proprietary steel components.
Modular home and villa builder
We cater to developers and architects engaged in the development of light‑steel villas and prefabricated container homes, providing high‑precision, lightweight, and rapidly installable light‑steel framing along with matching composite panel components.
steel building components instructions
Arrival inventory and classified stacking
check the packing list and component number when unloading, and use square wood pad to classify stacking on flat ground to prevent deformation.
Hoisting positioning and temporary fixation
refer to the hoisting drawings, use slings to mount the main steel beam, and immediately after positioning, use temporary cable wind rope and bolt primary fixation.
Tightening and correction of high-strength bolts
after the structure is formed, the high-strength bolts shall be finally tightened with a torque wrench, and the verticality of the steel column shall be corrected synchronously with the theodolite.
Laying and sealing of enclosure board
after the frame is fixed, the color steel plate of roof and wall is laid from one side, and the lap joint is fixed with waterproof sealant and self-tapping nail.
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FAQ
Q: What international standards do GAOERJI steel building components meet?
A: Our components are designed and produced in strict compliance with international mainstream building codes. The steel is made of low alloy high strength steel, which can be equivalent to the mainstream construction steel standards such as American standard and European standard in terms of tensile strength and yield strength.
Q: How to ensure that the export components do not rust and damage during shipping?
Answer: We will strictly hot-dip galvanizing or spraying high-corrosion primer on all components before leaving the factory. Special steel frame shall be used for packing and fixing, and protective pads shall be installed at key friction parts.
Q: When we install on site, how do we ensure that the various steel components can be accurately spliced?
A: We use professional design software for 3D modeling and collision checking before production. All components are processed with high precision and pre-drilled by numerical control equipment to ensure fast bolt splicing on site.
Q: If we encounter technical problems during the installation process, what support can we provide?
Answer: We will provide detailed installation drawings, component number drawings and node details with the goods. For large or complex projects, we can send experienced technical engineers to provide on-site installation guidance.
Q: Does the GAOERJI accept custom-sized steel structural components?
A: Yes. All of our steel structural components are supported to be customized according to drawings. Our engineering team can customize the detailed design according to the data you provide, such as project span, load, wind speed and snow load.
Q: Are high-strength bolts and various connection accessories provided with the components?
A: Yes. We provide one-stop purchasing service. When leaving the factory, we will match the required high-strength bolts, ordinary bolts, strips, rubber strips and various fastening accessories according to the design drawings, and reserve a certain margin.
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