Parallel Flange Channels (PFC), Grade 300, AS/NZS 3679.1
Hot-rolled structural steel C-sections with parallel flanges, manufactured to AS/NZS 3679.1 Grade 300, providing 280 MPa minimum yield strength for structural framing applications
Hot-rolled structural steel C-sections with parallel flanges, manufactured to AS/NZS 3679.1 Grade 300, providing 280 MPa minimum yield strength for structural framing applications
Parallel Flange Channels are hot-rolled structural steel sections featuring a vertical web and horizontal flanges with parallel inner and outer surfaces. Manufactured from Grade 300 steel to AS/NZS 3679.1, they offer consistent mechanical properties, excellent weldability, and versatile structural performance. Available in sizes from 75×40mm to 380×100mm with standard lengths up to 18 metres.
- Excellent strength-to-weight ratio
- Parallel flanges simplify connections
- Consistent mechanical properties
- High weldability (CEV ≤0.44)
- 100% recyclable
- Available in long lengths (up to 18m)
- Australian manufactured (300PLUS)
- Suitable for composite construction
- Good fatigue resistance
- Predictable structural behaviour
- 01 Excellent strength-to-weight ratio
- 02 Parallel flanges simplify connections
- 03 Consistent mechanical properties
- 04 High weldability (CEV ≤0.44)
- 05 100% recyclable
- 01 Requires fire protection for FRL ratings
- 02 Susceptible to corrosion without protection
- 03 Lateral-torsional buckling considerations
- 04 Thermal bridging in building envelope
- 05 Higher initial cost than timber
- Density
- 7850 kg/m³
- Specific gravity
- 7.85
- Porosity
- 0 %
- Water absorption
- 0 %
- Hardness
- 150
- UV resistance
- High with appropriate coating
- Chemical resistance
- Moderate - requires protection in aggressive environments
- pH tolerance
- 5-11 (with coating)
- Surface roughness
- 12.5 µm
- Tensile strength
- 440 MPa
- Compressive strength
- 280 MPa
- Flexural strength
- 280 MPa
- Shear strength
- 162 MPa
- Poisson's ratio
- 0.29
- Impact resistance
- 27
- Creep resistance
- Negligible below 400°C
- Embodied carbon
- 1.74
- Carbon footprint
- 1740
- Embodied energy
- 20100 MJ/kg
- Water footprint
- 3.3 L/kg
- Recycled content
- 15 %
- Renewable content
- 0 %
- Circular score
- 85
- Combustibility class
- Non-combustible
- Fire resistance level
- Requires protection for FRL
- Flame spread index
- 0
- Smoke dev. index
- 0
- Heat release rate
- 0
- Material cost (range)
- 1200-1800 // AUD/tonne (raw material)
- Material cost (per unit)
- 1500 // AUD/tonne (average)
- Lead time
- 2-6 weeks
- Lifecycle cost
- 4500-6000 // AUD/tonne (50-year analysis)
- Annual maintenance
- 20-50 // AUD/tonne (coating maintenance)
- Market availability
- Excellent - locally manufactured
- Expected lifespan
- 100+ // years (with maintenance)
- Maintenance interval
- 5-10 // years (inspection/recoating)
- Warranty period
- 10-25 // years (coating dependent)