Welcome to Qingdao Ruly steel structure Co., Ltd

Large Span Prefabricated Steel Warehouse with Fire Retardant Coating

Basic Properties
Place of Origin: China
Brand Name: Ruly Steel
Certification: SGS, BV,ISO
Model Number: Ruly0322
Trading Properties
Minimum Order Quantity: 500 Square Meter
Price: USD29-USD99 Per Square Meter
Payment Terms: L/C,T/T,Western Union
Supply Ability: 20000 Square Meter Per Month
Product Summary
Large Span Prefabricated Steel Structure Construction With Fire Retardant Coating Product Specifications Attribute Value Raw steel material Q235B, Q355B Surface treatment Painting or Hot-dip Galvanize Shot blasting level Sa 2.5 Service life 50 Years Wall and Roof Glass wool Type Heavy steel ...

Product Details

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Large Span Steel Structure Construction

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Fire Retardant Steel Structure Construction

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Large Span prefabricated steel structure building

Raw Steel Material: Q235B, Q355B
Surface Treatment: Painting Or Hot-dip Galvanize
Shot Blasting Level: Sa 2.5
Service Life: 50 Years
Wall And Roof: Glass Wool
Type: Heavy Steel Warehouse
Working Scope: Design,Fabrication, Installation
Application: Large Span Steel Structure Warehouse, Workshop
Product Description
Large Span Prefabricated Steel Structure Construction With Fire Retardant Coating
Product Specifications
Attribute Value
Raw steel material Q235B, Q355B
Surface treatment Painting or Hot-dip Galvanize
Shot blasting level Sa 2.5
Service life 50 Years
Wall and Roof Glass wool
Type Heavy steel warehouse
Working scope Design, Fabrication, Installation
Application Large span steel structure warehouse, workshop
Product Overview

Large span steel structure buildings represent the high-tech level of modern architecture and demonstrate the development trend of industrial construction. These structures combine structural form with architectural art space, showcasing both functionality and aesthetic appeal.

Our comprehensive service includes design, fabrication of all steel components (columns, beams, purlins, etc.), and complete installation including panels, windows, and doors.

Fire Retardant Coating Benefits
  • Extended fire protection: Forms a heat-insulating protective layer that significantly increases the structure's fire resistance limit.
  • Eco-friendly solution: Non-corrosive to steel, chemically inert, lightweight, and emits no harmful substances during fire exposure.
  • Health and safety: No irritating odor, safe for human contact, and produces minimal smoke when exposed to fire.
Technical Specifications
Main Steel Frame System
Main structure H section steel Q355, alkyd painting (two primary coats, two finish coats)
Roof purlin XZ160*60*20*2.5, galvanized
Wall purlin XZ160*60*20*2.5, galvanized
Intensive bolt Grade 10.9
Turn buckle bolt M20+2, steel Q235, processing
Anchor bolt M24, steel Q235, processing
Ordinary bolt Galvanized bolt M20
Brace nut Galvanized bolt M12
Bracing System
Cross brace Φ20 round steel bar Q235, processed and painted (alkyd painting)
Angle brace L50*5 angle steel Q235, processed and painted (alkyd painting)
Column bracing Φ25 round steel bar Q235, processed and painted (alkyd painting)
Tie bar Φ127*3 steel pipe Q235, processed and painted (alkyd painting)
Batter brace Φ32*2.5, Φ12 round steel bar Q235, processed and painted (alkyd painting)
Wall & Roof System
Roof panel Glass wool sandwich panel
Wall panel Glass wool sandwich panel
Edge cover 0.5mm color plate, angle Alu.
Fittings & accessories Nails, glue etc.
Unpowered ventilator Diameter Φ600, stainless steel
Sky lighting band 1.2mm FRP, double layer
Sliding door Sandwich panel door
Roof drainage system
Gutter 0.5mm color steel plate
Rainspout pipes Φ110 PVC pipe
Our Production Capabilities
Large Span Prefabricated Steel Warehouse with Fire Retardant Coating 0
Design Services

Our engineering team provides comprehensive design solutions including layout drawings, shop drawings, 3D Tekla models, and installation drawings tailored to each project's requirements.

Large Span Prefabricated Steel Warehouse with Fire Retardant Coating 1
Packaging and Shipping

All structural components, panels, bolts, and accessories are securely packed in standard ocean transportation containers (40'HQ). Our skilled workers use cranes and forklifts to load goods carefully at our factory to prevent any damage during transit.

Large Span Prefabricated Steel Warehouse with Fire Retardant Coating 2
Our Product Range

We specialize in both light and heavy steel structure buildings including warehouses, workshops, storage facilities, construction materials, high-rise steel office buildings, factories, plants, and exhibition halls.

Requesting a Quote

To provide an accurate quote, we need the following project details:

Question Information Needed
Location (where will be built?) _____country, area
Size: length*width*height _____mm*_____mm*_____mm
Wind load (max. wind speed) _____kn/m2, _____km/h, _____m/s
Snow load (max. snow height) _____kn/m2, _____mm
Anti-earthquake _____level
Brickwall needed or not If yes, 1.2m high or 1.5m high
Thermal insulation If yes, EPS, fiberglass wool, rockwool, PU sandwich panels will be suggested; if not, metal steel sheets will be used (lower cost)
Door quantity & size _____units, _____(width)mm*_____(height)mm
Window quantity & size _____units, _____(width)mm*_____(height)mm
Crane needed or not If yes, _____units, max. lifting weight____tons; max. lifting height _____m
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