As a leading structural steel connections manufacturer since 2014, LiYou Steel Structure Engineering provides engineered solutions for all connection types – from bolted to welded and hybrid systems. Our steel structure connections are designed and fabricated to meet global standards including AISC, EN, and GB codes, ensuring optimal performance in your construction projects.
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Steel
Online technical support
Office Building
Guangdong, China
Steel Structure
3 years
total solution for projects
Office
Modern
CE Certification
Industrial Commercial
C.Z Shape Steel Channel
Sliding Door
Customized Color
Sandwich Panel Optional
Aluminum Alloy Sliding Window
SAP2000/AutoCAD /PKPM /3D3S/TEKLA
Hot Dip Galvanized
25-60 days
Single item
1X1X1 cm
1.000 kg
✔ Full-Spectrum Solutions – We specialize in all structural steel connection types:
Bolted connections (bearing-type & slip-critical)
Welded connections (CJP, PJP, fillet welds)
Hybrid connections (bolted-welded combos)
Moment connections (rigid & semi-rigid)
Shear connections (simple & framed)
✔ Engineered for Performance – Every steel connection is:
Designed using advanced software (Tekla, STAAD)
Fabricated with CNC precision (±1mm tolerance)
Tested for load capacity (3rd party certs available)
✔ Material Expertise – Connections for all steel grades:
Carbon steel (Q235B, Q355B)
High-strength steel (ASTM A572 Gr50)
Weathering steel (ASTM A588)
✔ Global Project Ready – Our structural connections meet:
AWS D1.1/D1.8 (welding)
RCSC & EN 1090 (bolting)
ISO 3834 (quality management)
1. Moment-Resisting Connections
Fully restrained beam-to-column connections
Stiffened/extended end plate connections
Designed for seismic zones (R=8 per IBC)
2. Shear Connections
Double angle connections
Shear tabs with bolts
Fin plate connections
3. Special Connections
Gusset plates for trusses
Splice connections for towers
Crane runway connections
4. Custom Solutions
Architectural exposed connections
Composite steel-concrete connections
Expansion joints for long spans
• Connection Design – Our engineers optimize for:
Load transfer efficiency
Fabrication economy
Erection simplicity
• Connection Kits – Pre-assembled with:
Pre-drilled plates
Pre-welded components
Installation guides
• Quality Assurance – Every connection undergoes:
Dimensional checks
Weld inspections (VT/UT/MT)
Bolt tension verification
Philippines Logistics Center
1,200+ moment connections
3,850 shear connections
6-week fabrication timeline
Kazakhstan Power Plant
Heavy-duty bolted connections
ASTM A490 bolts (10.9 grade)
-40°C low-temperature impact tested
California Office Tower
Architecturally exposed connections
Custom spherical bearings
Seismic detailing per ASCE 7
item | value |
Material | Steel |
After-sale Service | Online technical support |
Application | Office Building |
Place of Origin | China |
Guangdong | |
Product Type | Steel Structure |
Warranty | 3 years |
Project Solution Capability | total solution for projects |
Use | Office |
Design Style | Modern |
Certification | CE Certification |
Application Fields | Industrial Commercial |
Purlin | C.Z Shape Steel Channel |
Door | Sliding Door |
Color | Customized Color |
Wall and Roof | Sandwich Panel Optional |
Window | Aluminum Alloy Sliding Window |
Drawing Design | SAP2000/AutoCAD /PKPM /3D3S/TEKLA |
Surface treatment | Hot Dip Galvanized |
Delivery time | 25-60 days |
✔ Full-Spectrum Solutions – We specialize in all structural steel connection types:
Bolted connections (bearing-type & slip-critical)
Welded connections (CJP, PJP, fillet welds)
Hybrid connections (bolted-welded combos)
Moment connections (rigid & semi-rigid)
Shear connections (simple & framed)
✔ Engineered for Performance – Every steel connection is:
Designed using advanced software (Tekla, STAAD)
Fabricated with CNC precision (±1mm tolerance)
Tested for load capacity (3rd party certs available)
✔ Material Expertise – Connections for all steel grades:
Carbon steel (Q235B, Q355B)
High-strength steel (ASTM A572 Gr50)
Weathering steel (ASTM A588)
✔ Global Project Ready – Our structural connections meet:
AWS D1.1/D1.8 (welding)
RCSC & EN 1090 (bolting)
ISO 3834 (quality management)
1. Moment-Resisting Connections
Fully restrained beam-to-column connections
Stiffened/extended end plate connections
Designed for seismic zones (R=8 per IBC)
2. Shear Connections
Double angle connections
Shear tabs with bolts
Fin plate connections
3. Special Connections
Gusset plates for trusses
Splice connections for towers
Crane runway connections
4. Custom Solutions
Architectural exposed connections
Composite steel-concrete connections
Expansion joints for long spans
• Connection Design – Our engineers optimize for:
Load transfer efficiency
Fabrication economy
Erection simplicity
• Connection Kits – Pre-assembled with:
Pre-drilled plates
Pre-welded components
Installation guides
• Quality Assurance – Every connection undergoes:
Dimensional checks
Weld inspections (VT/UT/MT)
Bolt tension verification
Philippines Logistics Center
1,200+ moment connections
3,850 shear connections
6-week fabrication timeline
Kazakhstan Power Plant
Heavy-duty bolted connections
ASTM A490 bolts (10.9 grade)
-40°C low-temperature impact tested
California Office Tower
Architecturally exposed connections
Custom spherical bearings
Seismic detailing per ASCE 7
item | value |
Material | Steel |
After-sale Service | Online technical support |
Application | Office Building |
Place of Origin | China |
Guangdong | |
Product Type | Steel Structure |
Warranty | 3 years |
Project Solution Capability | total solution for projects |
Use | Office |
Design Style | Modern |
Certification | CE Certification |
Application Fields | Industrial Commercial |
Purlin | C.Z Shape Steel Channel |
Door | Sliding Door |
Color | Customized Color |
Wall and Roof | Sandwich Panel Optional |
Window | Aluminum Alloy Sliding Window |
Drawing Design | SAP2000/AutoCAD /PKPM /3D3S/TEKLA |
Surface treatment | Hot Dip Galvanized |
Delivery time | 25-60 days |