AS/NZS 1163 Structural Steel Hollow Sections

Allland export and stock AS/NZS 1163 cold-formed steel hollow section. Specifies the requirements for the production and supply of cold-formed, electric resistance-welded, steel hollow sections used for structural purposes. It considers three strength grades(AS/NZS 1163 C250 Hollow Section; AS/NZS 1163 C350 Hollow Section; AS/NZS 1163 C450 Hollow Section), with or without impact properties, that are suitable for welding.

  • Grades: C250/C250L0, C350/C350L0, C450/C450L0
  • Out Diameter: 114.3-1142.2mm(4″-56″)
  • Wall Thickness: 6.02-50.8mm(0.237″ – 2″)
  • Length: 3-12.5 meters
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Category:
Chemical Composition, %
Grade C Si Mn P S Mo Al Ti Micro-alloying elements CEV
C250 0.12 0.05 0.5 0.04 0.03 0.1 0.1 0.04 0.03 0.25
C250L0 0.12 0.05 0.5 0.04 0.03 0.1 0.1 0.04 0.03 0.25
C350 0.2 0.25 1.6 0.04 0.03 0.1 0.1 / 0.15 0.39
C350L0 0.2 0.25 1.6 0.04 0.03 0.1 0.1 / 0.15 0.39
C450 0.2 0.45 1.6 0.04 0.03 0.35 0.1 / 0.15 0.39
C450L0 0.2 0.45 1.6 0.04 0.03 0.35 0.1 / 0.15 0.39
Mechanical Properties,Min
Steel grade Yield strength ReH MPa Tensile strength Rm MPa Elongation A % Impact energy test temperature/Individual test/Average of 3 tests/(J)
C250 250 320 22
C250L0 250 320 22 0℃/20/27
C350 350 430 20
C350L0 350 430 20 0℃/20/27
C450 450 500 16
C450L0 450 500 16 0℃/20/27

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