Structural Steel And Plate

Structural Steel and Plate Fabrication – High-Precision Manufacturing for Demanding Applications

At LiYou Steel Structure Engineering, we deliver top-tier structural steel and plate fabrication for industrial, commercial, and infrastructure projects worldwide. Our EN 1090 and ISO 3834 certified facility combines advanced CNC machinery, robotic welding, and strict quality control to produce beams, columns, girders, and custom plate assemblies with millimeter precision.

Why Partner with Us for Structural Steel and Plate Solutions?

✅ Cutting-Edge Fabrication Technology

• CNC Plasma & Laser Cutting: ±1mm tolerance on plates up to 120mm thick

• Heavy Plate Rolling: 3-roll variable geometry machines for curved sections

• Robotic Welding: Automated SAW/GMAW for high-strength, defect-free joints

✅ Material Expertise

• Carbon Steel: Q235B, Q355B (ASTM A36/A572 equivalents)

• High-Strength Alloys: Q460C, ASTM A514 for seismic zones

• Weathering Steel: ASTM A588 Corten for corrosion resistance

✅ Complex Component Capabilities

• Built-up girders (400mm+ flange widths)

• Stiffened plate assemblies for blast-resistant structures

• Curved architectural elements with 5mm profile accuracy

✅ Rigorous Quality Assurance

• 100% dimensional checks with laser scanning

• UT/RT weld testing per AWS D1.1/1.5

• Load testing up to 150% design capacity

Recent Projects

 2,730-ton metro depot roof (Foshan Line 3) – 78m clear-span trusses
 1,450-ton industrial gantries – 18m cantilevered beams with 8mm camber control
 920-ton pedestrian bridge – 3D-curved plate webs with 6mm tolerance