Qingdao Ruly Steel Engineering Co.,Ltd
                                                                                                           
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17 Years
Since 2009
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Welded Structural Steel Columns Q235B Q355B ASTM A36 Custom Sizes

Price Negotiable
Price: USD900-USD1500 Per Ton
MOQ: 30 Ton
Delivery Time: 30 Days
Brand: Ruly Stel
Product Description
Welded Architectural Structural Steel / Heavy Duty Structural Steel Columns
Product Specifications
Attribute Value
Application Welded Architectural Structural Steel
Features Heavy Duty Structural Steel Columns
Raw steel material Q235B, Q355B, ASTM A36
Surface treatment Painting or Hot-dip Galvanize
Shot blasting level Sa 2.5
Service life 50 Years
Process criterion AWS D1.1, GB
Specification Customized
About Welded Steel Structure Columns

Welded Architectural Structural Steel / Heavy Duty Structural Steel Columns offer exceptional strength-to-weight ratio, excellent rigidity, and superior deformation resistance. These properties make them ideal for large-span, ultra-high, and super-heavy building applications.

Key advantages include:

  • Material homogeneity and isotropy that aligns with engineering mechanics principles
  • Superior plasticity and toughness for withstanding dynamic loads
  • Reduced construction timelines due to prefabrication
  • High degree of industrialization and mechanized production
Our Manufacturing Capabilities

Our facility features three dedicated steel structure production lines equipped with:

  • Flame cutting machines
  • H-Section steel assembly machines
  • Gantry welding machines
  • Shot-blasting machines
  • Paint spray booths

We maintain specialized workshop space for fabricating heavy-duty and large structural steel components.

Steel structure fabrication workshop with production equipment
Technical Specifications
Parameter Details
Grade Q235B, SS400, Q345B, S235JR, S275JR, ASTM-A36
Size 100x100mm - 1500x1500mm
Thickness 8mm - 100mm
Length 2 - 20 meters
Shape H-shaped column
Delivery Time 7-15 days (standard sizes), 20-40 days (customized)
Payment Terms L/C or T/T
Surface Options Black, coating, galvanized
MOQ 30 Ton
Our Services
  • Structural steel fabrication, painting, galvanizing, and pre-assembly
  • Design, fabrication, and installation of prefabricated steel structures
  • Shop drawing development based on architectural plans
  • Engineering consulting services
Steel structure fabrication process showing welding and assembly
Quality Control Measures
Material Quality:
  • Thickness tolerance <0.25mm
  • In-house yield and tension strength testing
  • Third-party inspection certificates
  • Traceable mill certificates
Fabrication Quality:
  • 100% dimensional testing (tolerance <1mm)
  • 20% ultrasonic weld testing (full penetration, no faults)
  • 20% magnetic particle testing (no bubbles/defects)
Surface Treatment:
  • Shot blasting to Sa 2.5 standard
  • Primer application within 5 hours of blasting
  • Holiday-free coatings with DFT >75μm
Quality control inspection of steel structural components
Why Choose Our Products
  • Expert Design: Custom solutions based on your specifications
  • Advanced Manufacturing: Skilled teams and modern equipment with project-specific scheduling
  • Comprehensive Service: Integrated project solutions from design to installation
  • Quality Assurance: Dedicated QC teams ensuring compliance
  • After-Sales Support: Maintenance and technical assistance available

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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