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Qingdao Ruigang Steel Structure Co., Ltd. company profile
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Home > Products > Multi-Storey Steel Building > Wind Load Up to 300 km/h Multi-Storey Steel Building with Hot-Dip Galvanization and Q355/Q235 Steel Grade
Product Details
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multi-storey steel building wind load 300 km/h

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hot-dip galvanized steel building Q355/Q235

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high wind resistance multi-storey steel structure

Grade:
Q235 / Q355 / Q235B / Q355B
Connection Type:
Bolted, Welded
Application:
Industrial And Commercial
Type:
Prefab Steel Structure Building
Design Standard:
AISC, MBMA, AWS, ASTM
Wind Load:
Up To 300 Km/h
Surface Treatment:
Hot-dip Galvanization, Paint Coating
Wall Cladding:
Galvanized Steel Sheet, Sandwich Panel, Metal Cladding
Grade:
Q235 / Q355 / Q235B / Q355B
Connection Type:
Bolted, Welded
Application:
Industrial And Commercial
Type:
Prefab Steel Structure Building
Design Standard:
AISC, MBMA, AWS, ASTM
Wind Load:
Up To 300 Km/h
Surface Treatment:
Hot-dip Galvanization, Paint Coating
Wall Cladding:
Galvanized Steel Sheet, Sandwich Panel, Metal Cladding
Product Description
High Cost-Effective Multi-Story Steel Building with Exclusive Design
Multi-story steel buildings offer exceptional strength, flexibility, and durability, making them ideal for contemporary urban landscapes. Their robust steel framework ensures structural stability while accommodating diverse architectural designs and functions. With rapid construction timelines and remarkable resilience to environmental factors such as wind, fire, and seismic activity, these buildings are redefining high-rise architecture. Combining efficiency, safety, and sustainability, they are shaping the skyline of the future.
Technical Specifications
ComponentSpecification
Main SteelQ355, Q235, Q355B, Q235B, etc.
Anti-rust ProtectionHot-dip galvanized or anti-rust painting
Purlin and GirtsCold-rolled C or Z steel, Q355 or Q235
Column & BeamWelded or Hot rolled H-section
Connection MethodWelding connection or bolt connection
Wall & RoofSandwich panel or steel sheet
DoorRolled up door or Sliding door
WindowPlastic steel or Aluminum alloy window
SurfaceHot-dip galvanized or painted
Crane5MT, 10MT, 15MT, and more
Wind Load Up to 300 km/h Multi-Storey Steel Building with Hot-Dip Galvanization and Q355/Q235 Steel Grade 0
Advanced Painting System
  • Molecular Passivation & Reactive Priming: The foundational layer combats oxidation on the steel surface, forming a durable, non-porous shield that blocks moisture and saline penetration.
  • Cross-Linked Molecular Armor: A high-performance epoxy coating delivers superior strength and chemical resistance, safeguarding the surface from industrial pollutants and harsh environments.
  • Atmospheric Durability & Color Preservation: The premium polyurethane finish ensures lasting color retention and UV resistance, keeping the appearance pristine and professional over time.
Common Applications
  • Flexible Corporate & Commercial Spaces: Column-free designs maximize floor area, offering adaptable structures that evolve with the changing needs of modern businesses.
  • Rapid Urban Residential Development: Accelerated construction of high-performance residential buildings, incorporating fire-resistant features for enhanced safety.
  • Efficient Institutional & Healthcare Projects: Off-site fabrication minimizes local disruption and shortens construction schedules, ensuring timely delivery of essential public infrastructure.
  • High-Capacity Vertical Parking Solutions: Robust, scalable parking systems engineered to accommodate high traffic volumes and alleviate urban congestion.
Why Choose Our Steel Structures
  • Material Optimization & Computational Modeling: Advanced structural design minimizes material waste, reducing costs while boosting sustainability.
  • Automated Precision & Technical Mastery: Digital manufacturing guarantees millimeter-perfect accuracy, enabling flawless on-site assembly.
  • End-to-End Project Management: A single partner oversees the entire structural lifecycle, from design through delivery, streamlining logistics and simplifying operations.
  • Global Compliance & Ongoing Support: Full adherence to international engineering standards (AISC, Eurocode, GB), coupled with continuous technical assistance throughout the project's duration.
Packing & Loading
  • Complete Structural Protection: A multi-layered encapsulation system ensures the integrity and finish of components during international shipping.
  • Optimized Packing Solutions: Advanced spatial algorithms maximize packing efficiency in 40ft High Cube containers, reducing shipping costs and minimizing the carbon footprint.
  • Seamless Just-in-Time Logistics: A fully synchronized supply chain, aligned with project timelines, guarantees timely material delivery and continuous project momentum.
Wind Load Up to 300 km/h Multi-Storey Steel Building with Hot-Dip Galvanization and Q355/Q235 Steel Grade 1
Frequently Asked Questions
Are you a manufacturer or trading company?
As a direct manufacturing facility based in Qingdao, China, we pride ourselves on our stringent quality management system, expert design team, robust production capabilities, and extensive manufacturing experience.
How about your quality control?
  • We only cooperate with high-quality raw material suppliers
  • Our workers are all certified and regularly assessed
What's the delivery time?
Usually 30 days. We have perfect management plans for each project to ensure timely delivery.
Do you offer installation service?
Yes, we provide detailed installation drawings and videos. Generally, you can install locally as components are prefabricated and bolted. Otherwise, we can send engineers to guide installation.
What's the payment term?
We have two payment terms: 1) 30% advance payment before production by T/T, and 70% balance by T/T before shipping. 2) 100% irrevocable L/C
How to get a fast quotation?
Please send us your project preliminary drawing, and we will quote accordingly within 2 days.
Is your price competitive compared with other companies?
As a direct factory, yes, our prices are competitive, and both price and quality are guaranteed.
Our Steel Structure Fabrication Factory
Qingdao Ruigang Heavy Industry Co., Ltd. is a global leader in steel infrastructure, offering comprehensive turnkey solutions that turn architectural visions into durable, functional structures. Our cutting-edge 50,000m² manufacturing facility is backed by a dedicated team of 115 engineering and fabrication specialists, ensuring precision and scalability in every project. Located in the strategically positioned West Coast New District, we benefit from direct access to the Port of Qingdao, enabling seamless connectivity to a world-class logistics network. This proximity ensures efficient global distribution and the on-time, sustainable delivery of high-quality structural solutions to clients worldwide.
Wind Load Up to 300 km/h Multi-Storey Steel Building with Hot-Dip Galvanization and Q355/Q235 Steel Grade 2Wind Load Up to 300 km/h Multi-Storey Steel Building with Hot-Dip Galvanization and Q355/Q235 Steel Grade 3Wind Load Up to 300 km/h Multi-Storey Steel Building with Hot-Dip Galvanization and Q355/Q235 Steel Grade 4
Certifications
Wind Load Up to 300 km/h Multi-Storey Steel Building with Hot-Dip Galvanization and Q355/Q235 Steel Grade 5
Product Attributes
Wind Load Up to 300 km/h Multi-Storey Steel Building with Hot-Dip Galvanization and Q355/Q235 Steel Grade 6