Q235B Q355B Light Steel Frame Construction Galvanized Purlin
Steel Structure Building With Lower Initial Costs And Greater Design Flexibility
Pre-engineered steel structure buildings redefine modern construction methods. Unlike traditional block and concrete industrial buildings, these structures offer faster construction, better quality control, and easier installation.
Fabricated in strictly controlled factories, pre-engineered steel structures provide numerous advantages over traditional construction methods, including lower transportation and installation costs.
These buildings excel in industrial and commercial projects such as warehouses, workshops, plants, storage facilities, 4S exhibition rooms, office buildings, shopping malls, and school buildings. They offer significant cost savings, shorter completion times, and exceptional durability, making them the preferred construction solution.
Product Parameters
Components of Steel Structure Building
- Primary Framing Elements: Columns and beams made from H-section steels (hot rolled or welded), easily bolted together on-site with factory primer, facing paintings, or galvanization for anti-rust protection.
- Secondary Framing Elements: Purlin and tie bar formed as secondary framing, fixed to columns and beams with common bolts.
- Bracing: Round steel with knee bracing and supporting parts to enhance stability and durability of the structure.
- Cladding: Roof and wall covered by color-coated corrugated steel sheet or steel sandwich panel, hot-dipped with zinc and aluminum compound for weather protection and aesthetic appeal.
- Windows and Doors: Plastic steel windows, aluminum-alloy windows, sliding doors, folding doors.
- Other Options: Gutter, downpipe, transparent sheet, ventilator, and bridge crane available per client requirements.
| Product Name |
Steel Structure Building |
| Item |
Materials |
| Main Steel Frame |
Column: Q235B, Q355B steel material H shape, Box, Steel pipe, Hot rolled steel
Beam: Q235B, Q355B H-beam
Surface treatment: Painted, Galvanized |
| Supporting System |
Brace: Q235B, Q355B Steel rod, Steel pipe, Angle steel. Galvanization
Roof Purlin: C or Z shape, Steel purlin
Wall Purlin: C or Z shape, Steel purlin |
| Roof |
Corrugate steel sheet, EPS, Rock wool, PU, Glass wool sandwich panel |
| Wall |
Corrugate steel sheet, EPS, Rock wool, PU, Glass wool sandwich panel |
| Accessories |
Bolts: Ordinary, High strength
Gutter: Galvanized steel, Stainless steel |
Customization
If you have architectural drawings, please send them for direct quotation. Without drawings, our professional technicians will design based on your requirements and regional conditions. Please provide:
- Local site maximum wind speed
- Snow load (if applicable)
- Building dimensions (length × width × eave height)
- Roof and wall material preferences
- Crane requirements (if applicable, including lift capacity)
- Any available drawings or specifications

Product Features
Why Choose Steel Structure Building?
Steel structure buildings offer outstanding advantages for industrial and commercial applications including workshops, plants, warehouses, cold storage, showrooms, offices, supermarkets, and schools.
- Lower price and shorter construction period
- Easy to assemble and disassemble
- High durability with minimal maintenance (50+ year lifespan)
- Lightweight components for convenient shipping
- Excellent fireproofing with rock wool sandwich panels
- Superior heat insulation with sandwich panel construction
- Attractive appearance with various sheeting colors and shapes
- Flexible design options with custom solutions available
- Environmentally friendly with minimal construction waste
Product Processing
Our steel structure processing involves precise manufacturing steps:
- Cutting: Precise dimensioning using advanced laser cutting machines
- Assembly: Components fitted according to engineering specifications
- Welding: Secure joining with various welding techniques for enhanced load-bearing
- Rust Removal: Surface preparation using sandblasting or chemical cleaning
- Surface Treatment: Spray painting or hot-dip galvanizing for corrosion protection

Packaging and Shipping
Products are carefully palletized or bulk-packed into containers for secure shipping. Our packaging methods ensure:
- Stable and efficient handling during transportation
- Convenient storage and identification
- Safe transit to port for onward shipment
Typical lead time: 2 weeks for drawings, 30-55 days for delivery (depending on complexity).

About Us
Qingdao Xinguangzheng Steel Structure Co., Ltd., founded in 2002, operates from a 13.3-hectare facility in Pingdu City, Qingdao. With over 1,000 employees, we serve customers in 100+ countries and were listed on NEEQ in 2015.
Our 12 professional production lines feature advanced equipment including laser cutting machines, welding robots, and automated spraying systems, with an annual capacity of 150,000 tons. We specialize in:
- Light and heavy steel structures
- Large-span truss and bridge structures
- High-rise and super high-rise buildings
- Large equipment and spatial structures
We uphold our vision of becoming a global leader in steel structure applications while ensuring staff success, client satisfaction, and sustainable enterprise growth.
Frequently Asked Questions
Who we are?
We are a global one-stop manufacturer offering complete steel structure building services from design to installation.
How to buy my idea products?
Provide your drawings for production, or we can design based on your requirements and local climate conditions.
How long does it take to get my building?
Typically 2 weeks for drawings and 30-55 days for delivery (depending on complexity).
Can we visit your factory?
We warmly welcome visits and will arrange professional sales support upon receiving your schedule.
What are your main products?
We specialize in steel structures for warehouses, workshops, factories, office buildings, hangars, garages, and poultry houses.