Form · Sizes pending
Metallic — indicative fig. M·99
Fire A1 Non-combustibleEmbodied carbon 1.80kgCO₂e/kg Low–mediumCompressive 260MPa StructuralDesign life 50yr
Lightweight, corrosion-resistant hollow extrusions available in structural (6061-T6) and architectural (6063-T6) grades, offering excellent strength-to-weight ratios and 95% recyclability for sustainable construction applications
01 Physical
Density 2700kg/m³
Specific gravity 2.7unitless
Porosity 0%
Water absorption 0%
Hardness 84HB
UV resistance Excellent - No degradation under UV
Chemical resistance Good (pH 4-9) - Passive oxide layer protection
pH tolerance 4.0-9.0 pHpH
Surface roughness 2μm
02 Mechanical
Tensile strength 275MPa
Compressive strength 260MPa
Flexural strength 285MPa
Shear strength 177.5MPa
Poisson's ratio 0.33unitless
Impact resistance Good - Maintains properties at low temperatures
Creep resistance Good below 150°C - Temperature dependent
03 Thermal
Thermal conductivity 184W/m·K
Specific heat 898J/kg·K
Thermal expansion 23.5x10⁻⁶/°C
04 Compliance & Fire First question
Combustibility class Non-combustible
Fire resistance level Non-combustible
Ignition temp Not applicable°C
Flame spread index 0
Smoke dev. index 0
Heat release rate 0kW/m²
05 Sustainability & Health
Embodied carbon 1.8-8.2kg CO₂e/kg
Carbon footprint 1.8-8.2kg CO₂e/kg
Embodied energy 20-170MJ/kg
Water footprint 1.2-125L/kg
Recyclability 100%
Recycled content 20-80%
Renewable content 0%
Circular score 9out of 10
VOC emissions 0g/L
Toxicity rating Non-toxic
LEED contribution MR Credits 2-4
06 Durability · Cost · Logistics
Expected lifespan 50+years
Maintenance interval Annual inspection
Warranty period 10-25years
Material cost (range) $8-25/kg
Material cost (per unit) $30-90/metre
Lead time 1-14days
Lifecycle cost $100-300/metre
Annual maintenance $0-5/m²
Market availability Readily available
07 Assessment
Advantages
- Excellent strength-to-weight ratio (tensile strength 240-310 MPa)
- Superior corrosion resistance in marine environments
- 95% energy savings through recycling
- Non-combustible - suitable for all BAL ratings
- No VOC emissions during service life
- Termite and rot resistant
- Excellent thermal and electrical conductivity
- Precision dimensional tolerances per AS/NZS 1866
- Wide range of surface finishes available
- 100% recyclable at end of life
Constraints
- Higher initial cost than steel ($30-90/metre typical)
- Lower elastic modulus than steel (69 GPa vs 200 GPa)
- Requires specialised welding techniques (TIG/MIG)
- Galvanic corrosion risk with dissimilar metals
- Limited availability of large diameter heavy wall sections
- Thermal expansion 2x that of steel
- Surface scratching more visible than painted steel
- Fatigue strength lower than steel
- Requires isolation from concrete to prevent corrosion
08 Applications
A1 Structural frameworks and space frames
A2 Architectural handrails and balustrades
A3 Curtain wall and facade systems
A4 Solar panel mounting structures
A5 Marine and coastal applications
A6 HVAC ducting and ventilation systems
A7 Temporary structures and scaffolding
A8 Automotive and transport applications
A9 Greenhouse and agricultural structures
A10 Signage and display systems
09 Sources & Standards
Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.