Steel Trusses

Steel Trusses

Building Primary Products

Material Specifications

  • Standard Steel Grades:
  • S235JR (Yield: 235 MPa)
  • S355J2 (Yield: 355 MPa)
  • ASTM A36 (Yield: 250 MPa)

Protection Systems:

  • Hot-dip galvanizing (100-150μm)
  • Intumescent paint (30-120min fire rating)
  • Powder coating (architectural)

Primary Steel Truss Types

Truss Type Configuration Span Range Optimal Applications
Pratt Truss Diagonal members slope toward center 10-30m  Industrial roofs, bridges
Warren Truss Equilateral triangles forming "W" pattern 15-60m  Long-span roofs, aircraft hangars
Howe Truss  Diagonal members slope outward  10-25m  Heavy vertical load buildings
Fink Truss  "W" shape for shorter spans  6-15m  Residential/commercial roofs
Vierendeel Truss  Rectangular openings (no diagonals)  10-20m  Architectural facades

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