Qingdao Ruly Steel Engineering Co.,Ltd
                                                                                                           
Verified Supplier
17 Years
Since 2009
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Q235 Q355 Prefabricated Steel Structure Building for Apartments

Price Negotiable
Price: USD29-USD99 Per Square Meter
MOQ: 500 Square Meter
Delivery Time: 30 Days
Brand: Ruly Steel
Product Description
Q235 Q355 Multi Floors Steel Structure Buildings / Prefabricated Metal Buildings
Product Specifications
Attribute Value
Application Prefabricated Steel Structure Building
Usage PEB Steel Buildings, Steel Structure Apartment
Raw steel material Q235B, Q355B
Surface treatment Painting or Hot-dip Galvanize
Service life 50 Years
Wall and Roof Steel cladding/Rock wool/Glass wool/EPS/PU sandwich panel
Columns and Beam H Section Column & Beam
Service scope Design, Manufacture, Installation
Product Overview
Our prefabricated steel structure buildings are ideal for multi-floor applications including staff quarters and apartments. We provide complete solutions from steel beams and columns to roof/wall sandwich panels, purlins, canopies, and all necessary accessories.
Comprehensive Service Package
We offer turnkey solutions for steel frame structure warehouses, handling everything from initial design and BIM processes to fabrication, transportation, and installation. Simply communicate your requirements, and we'll deliver your project at the most reasonable cost.
Material Specifications
Component Specification
Steel Frame H section steel | Q235/Q355 steel plate thickness: 8-30mm
Welding Automatic submerged arc welding
Rust removal Sand blasting
Surface finish Alkyd paint or galvanized
Intensive bolt M20, Grade 10.9
Supporting System Angle brace: L50x4, Steel Q235, processed and painted
Horizontal brace: Φ20, Steel Q235, processed and painted
Column brace: Φ20, Steel Q235, processed and painted
Tie rod: Φ89*3, Steel Q235, processed and painted
Ordinary bolt M12 Galvanized bolt
Roof System Purlin: C160*60*2.5, Steel Q235, galvanized and painted
Roof panel: Sandwich panel or corrugated steel sheet
Sky light: 6mm thick PVC
Accessories: Glass cement, self-tapping screws, etc.
Edge cover: 0.4mm steel sheet profile trimming
Gutter: 0.4mm thick sheet steel profile or galvanized sheet
Down pie: Φ110PVC
Walls Purlin: C160*60*2.5, Steel Q235, painted
Wall: Sandwich panel or corrugated steel plate
Accessories: Glass cement, self-tapping screws, etc.
Edge cover: 0.4mm steel sheet profile trimming
Ventilation: Ventilation ball
Doors & windows: Rolling door/sliding door PVC/alu/steel/window
Design Capabilities
Our comprehensive design services include preliminary layout plans, shop drawings, 3D Tekla models, and construction drawings for your project.
3D model of steel structure building design
Installation Support
We provide detailed construction drawings prior to installation and can dispatch our engineers to guide the installation process or handle the complete installation with our construction team.
Steel structure building installation process
Quality Control Standards
Dimensional accuracy: 100% testing with tolerance <1mm
Welding inspection: 20% sample ultrasonic testing - full penetration, no faults
Surface quality: 20% magnetic powder testing - smooth, defect-free surfaces
Third-party verification: Available inspection assistance upon request
Quality control inspection of steel components
Packaging & Shipping
All structural components, panels, bolts, and accessories are carefully packed in standard ocean transportation packaging and loaded into 40'HQ containers for secure delivery.
Packaged steel components ready for shipping

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Qingdao Ruly Steel Engineering Co.,Ltd
Location Tieshan Industrial zone, Huangdao District, Qingdao City.
Contact Person steven

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