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Super-structure

Super-structure elements, such as columns, beams, and core walls, are the backbone of a building. Material choice here heavily influences overall embodied emissions. Comparing carbon data across systems and suppliers helps teams meet targets without compromising design intent.

Average NABERS Benchmark

Lowest

Highest

Bar/Coil D500N 10mm-50mm
Bar/Coil D500N 10mm-50mm
Bestbar
797.00
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
50%

below NABERS average

Merchant bar
Merchant bar
Infrabuild
925.56
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
59%

below NABERS average

Structural sections (hot - rolled) Hot Rolled Coil – Low Carbon Steel
Structural sections (hot - rolled) Hot Rolled Coil – Low Carbon Steel
Bluescope
2,410.00
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
6%

above NABERS average

Structural sections (hot - rolled) Hot Rolled Coil – Medium Carbon Steel
Structural sections (hot - rolled) Hot Rolled Coil – Medium Carbon Steel
Bluescope
2,460.00
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
8%

above NABERS average

Structural sections (hot - rolled) Hot Rolled Coil – Alloyed Steel
Structural sections (hot - rolled) Hot Rolled Coil – Alloyed Steel
Bluescope
2,570.00
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
13%

above NABERS average

Prestressed Steel Strand
Prestressed Steel Strand
BGC Australia
2,590.00
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
62%

above NABERS average

Structural sections (hot - rolled) XLERPLATE® steel – Low Carbon Steel
Structural sections (hot - rolled) XLERPLATE® steel – Low Carbon Steel
Bluescope
2,590.00
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
14%

above NABERS average

Structural sections (hot - rolled) XLERPLATE® steel – Medium Carbon Steel
Structural sections (hot - rolled) XLERPLATE® steel – Medium Carbon Steel
Bluescope
2,640.00
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
16%

above NABERS average

Structural purlins and grits (cold - rolled) GALVASPAN® steel in 3.00mm base metal thickness
Structural purlins and grits (cold - rolled) GALVASPAN® steel in 3.00mm base metal thickness
Bluescope
2,725.75
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
9%

below NABERS average

Structural purlins and grits (cold - rolled) GALVASPAN® steel in 2.40mm base metal thickness
Structural purlins and grits (cold - rolled) GALVASPAN® steel in 2.40mm base metal thickness
Bluescope
2,753.77
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
9%

below NABERS average

Structural sections (hot - rolled) XLERPLATE® steel – Alloyed Steel
Structural sections (hot - rolled) XLERPLATE® steel – Alloyed Steel
Bluescope
2,760.00
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
22%

above NABERS average

Structural framing (cold - rolled) TRUECORE® steel in 1.60mm base material thickness
Structural framing (cold - rolled) TRUECORE® steel in 1.60mm base material thickness
Bluescope
2,783.02
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
8%

below NABERS average

Structural purlins and grits (cold - rolled) GALVASPAN® steel in 1.90mm base metal thickness
Structural purlins and grits (cold - rolled) GALVASPAN® steel in 1.90mm base metal thickness
Bluescope
2,786.13
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
7%

below NABERS average

Structural formwork and decking (cold - rolled) DECKFORM® steel in 1.50mm base material thickness
Structural formwork and decking (cold - rolled) DECKFORM® steel in 1.50mm base material thickness
Bluescope
2,792.42
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
7%

below NABERS average

Structural framing (cold - rolled) TRUECORE® steel in 1.50mm base material thickness
Structural framing (cold - rolled) TRUECORE® steel in 1.50mm base material thickness
Bluescope
2,799.67
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
7%

below NABERS average

Structural purlins and grits (cold - rolled) GALVASPAN® steel in 1.50mm base metal thickness
Structural purlins and grits (cold - rolled) GALVASPAN® steel in 1.50mm base metal thickness
Bluescope
2,831.28
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
6%

below NABERS average

Structural framing (cold - rolled) TRUECORE® steel in 1.20mm base material thickness
Structural framing (cold - rolled) TRUECORE® steel in 1.20mm base material thickness
Bluescope
2,839.25
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
6%

below NABERS average

Structural purlins and grits (cold - rolled), GALVASPAN® steel in 3.00mm base metal thickness (BMT) incl. rollforming
Structural purlins and grits (cold - rolled), GALVASPAN® steel in 3.00mm base metal thickness (BMT) incl. rollforming
Bluescope
2,846.99
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
5%

below NABERS average

Structural framing (cold - rolled) TRUECORE® steel in 1.15mm base material thickness
Structural framing (cold - rolled) TRUECORE® steel in 1.15mm base material thickness
Bluescope
2,854.03
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
5%

below NABERS average

Structural sections (hot - rolled) Steel – Welded Beams and Columns
Structural sections (hot - rolled) Steel – Welded Beams and Columns
Bluescope
2,860.00
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
26%

above NABERS average

Structural purlins and grits (cold - rolled), GALVASPAN® steel in 2.40mm base metal thickness (BMT) incl. rollforming
Structural purlins and grits (cold - rolled), GALVASPAN® steel in 2.40mm base metal thickness (BMT) incl. rollforming
Bluescope
2,873.50
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
5%

below NABERS average

Structural purlins and grits (cold - rolled) GALVASPAN® steel in 1.20mm base metal thickness
Structural purlins and grits (cold - rolled) GALVASPAN® steel in 1.20mm base metal thickness
Bluescope
2,880.49
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
4%

below NABERS average

Structural formwork and decking (cold - rolled) DECKFORM® steel in 1.00mm base material thickness
Structural formwork and decking (cold - rolled) DECKFORM® steel in 1.00mm base material thickness
Bluescope
2,883.21
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
4%

below NABERS average

Structural formwork and decking (cold - rolled) Low Glare DECKFORM® steel in 1.00mm base material thickness
Structural formwork and decking (cold - rolled) Low Glare DECKFORM® steel in 1.00mm base material thickness
Bluescope
2,883.21
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
4%

below NABERS average

Structural framing (cold - rolled) TRUECORE® steel in 1.00mm base material thickness
Structural framing (cold - rolled) TRUECORE® steel in 1.00mm base material thickness
Bluescope
2,883.90
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
4%

below NABERS average

Structural formwork and decking (cold - rolled) DECKFORM® steel in 0.90mm base material thickness
Structural formwork and decking (cold - rolled) DECKFORM® steel in 0.90mm base material thickness
Bluescope
2,903.23
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
4%

below NABERS average

Structural framing (cold - rolled) TRUECORE® steel in 0.95mm base material thickness
Structural framing (cold - rolled) TRUECORE® steel in 0.95mm base material thickness
Bluescope
2,904.07
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
4%

below NABERS average

Structural framing (cold - rolled), TRUECORE® steel in 1.60mm base material thickness (BMT) incl. rollforming
Structural framing (cold - rolled), TRUECORE® steel in 1.60mm base material thickness (BMT) incl. rollforming
Bluescope
2,908.81
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
3%

below NABERS average

Structural purlins and grits (cold - rolled), GALVASPAN® steel in 1.90mm base metal thickness (BMT) incl. rollforming
Structural purlins and grits (cold - rolled), GALVASPAN® steel in 1.90mm base metal thickness (BMT) incl. rollforming
Bluescope
2,910.40
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
3%

below NABERS average

Structural formwork and decking (cold - rolled) Low Glare DECKFORM® steel in 1.50mm base material thickness
Structural formwork and decking (cold - rolled) Low Glare DECKFORM® steel in 1.50mm base material thickness
Bluescope
2,915.98
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
3%

below NABERS average

Structural framing (cold - rolled), TRUECORE® steel in 1.50mm base material thickness (BMT) incl. rollforming
Structural framing (cold - rolled), TRUECORE® steel in 1.50mm base material thickness (BMT) incl. rollforming
Bluescope
2,917.02
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
3%

below NABERS average

Structural purlins and grits (cold - rolled) GALVASPAN® steel in 1.00mm base metal thickness
Structural purlins and grits (cold - rolled) GALVASPAN® steel in 1.00mm base metal thickness
Bluescope
2,931.87
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
3%

below NABERS average

Structural steel (cold - rolled) Representative product 681
Structural steel (cold - rolled) Representative product 681
Rondo
2,940.00
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
2%

below NABERS average

Structural purlins and grits (cold - rolled), GALVASPAN® steel in 1.50mm base metal thickness (BMT) incl. rollforming
Structural purlins and grits (cold - rolled), GALVASPAN® steel in 1.50mm base metal thickness (BMT) incl. rollforming
Bluescope
2,954.73
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
2%

below NABERS average

Structural formwork and decking (cold - rolled) DECKFORM® steel in 0.75mm base material thickness
Structural formwork and decking (cold - rolled) DECKFORM® steel in 0.75mm base material thickness
Bluescope
2,955.27
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
2%

below NABERS average

Structural framing (cold - rolled), TRUECORE® steel in 1.20mm base material thickness (BMT) incl. rollforming
Structural framing (cold - rolled), TRUECORE® steel in 1.20mm base material thickness (BMT) incl. rollforming
Bluescope
2,964.51
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
2%

below NABERS average

Structural framing (cold - rolled), TRUECORE® steel in 1.15mm base material thickness (BMT) incl. rollforming
Structural framing (cold - rolled), TRUECORE® steel in 1.15mm base material thickness (BMT) incl. rollforming
Bluescope
2,973.86
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
1%

below NABERS average

Structural framing (cold - rolled) TRUECORE® steel in 0.75mm base material thickness
Structural framing (cold - rolled) TRUECORE® steel in 0.75mm base material thickness
Bluescope
2,980.13
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
1%

below NABERS average

Structural framing (cold - rolled), TRUECORE® steel in 1.00mm base material thickness (BMT) incl. rollforming
Structural framing (cold - rolled), TRUECORE® steel in 1.00mm base material thickness (BMT) incl. rollforming
Bluescope
3,008.74
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
0%

below NABERS average

Structural purlins and grits (cold - rolled), GALVASPAN® steel in 1.20mm base metal thickness (BMT) incl. rollforming
Structural purlins and grits (cold - rolled), GALVASPAN® steel in 1.20mm base metal thickness (BMT) incl. rollforming
Bluescope
3,013.28
Upfront Carbon Emissions
kg CO2e / tonne (A1-A3)
0%

above NABERS average

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