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Grade 8 Seismic Multi Story Prefabricated Steel Structure Office Building Hotel School Frame Construction

Grade 8 Seismic Multi Story Prefabricated Steel Structure Office Building Hotel School Frame Construction

MOQ: 500 Square Meters
Price: USD 55-95 / Square Meter
Standard Packaging: Steel columns and beams bundled in steel straps, secondary members palletized, panels with edge protectors, full container load
Delivery Period: 30-45 working days
Payment Method: T/T, L/C at sight
Supply Capacity: 30000 Square Meters per Month
Detail Information
Place of Origin
Qingdao, Shandong, China
Brand Name
KXD
Certification
CE, ISO 9001, SGS
Model Number
KXD-MSO-8S
Main Steel Grade:
Q235B / Q355B Structural Steel
Seismic Rating:
Grade 8 (GB 50011-2010)
Floor System:
Steel Deck + Reinforced Concrete
Building Height:
Up To 12 Stories
Fire Protection:
Intumescent Coating 2-Hour Rating
Frame Type:
Steel Moment Frame With Bracing
Service Life:
50 Years
Window System:
Aluminum Alloy / PVC Double Glazed
Highlight:

Grade 8 seismic steel structure building

,

prefabricated multi-story office building

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steel frame construction for schools

Product Description

Grade 8 Seismic Multi-Story Steel Structure Building

Purpose-designed for urban commercial and institutional projects in high-seismic zones. This multi-story steel frame system meets Grade 8 seismic requirements per GB 50011-2010, combining structural resilience with architectural flexibility for offices, hotels, schools, and apartment complexes up to 12 stories.

Key Advantages

  • Grade 8 Seismic Certified: Full structural engineering with moment-resisting frame + bracing system validated for high-seismic regions
  • Multi-Story Flexibility: Adaptable layout from 2 to 12 floors, ideal for mixed-use commercial and residential projects
  • 2-Hour Fire Rating: Intumescent fireproof coating on all primary steel members for code compliance and insurance requirements
  • Composite Floor System: Steel deck with reinforced concrete topping provides superior sound insulation and floor rigidity
  • Fast Urban Construction: Prefabricated bolt-connected frame reduces on-site construction time by 40% vs reinforced concrete

Technical Specifications

ComponentSpecification
Main Frame ColumnsQ235B/Q355B Welded Box or H-Section
Floor BeamsQ235B H-Section Hot Rolled
Floor Deck1.0mm Galvanized Profiled Steel Sheet
Concrete ToppingC30 Reinforced Concrete 100-120mm
Bracing SystemX-Bracing + Knee Bracing Configuration
Exterior WallALC Panel / Sandwich Panel / Curtain Wall
ConnectionGrade 10.9 High-Strength Bolts + Site Welding
Ratings & Review

Overall Rating

4.5
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
50%
4 stars
50%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

O
Oumar
Mali Mar 9.2026
I inspected the goods at the factory before shipment. The quality was good, and the loading was very efficient.
A
Asif
Tanzania Feb 3.2026
Good quality control, easy installation, satisfied with purchase.
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