{
 "designation": "76.1x2.3CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 4.19,
 "dimensions_mm": {
  "do": 76.1,
  "t": 2.3
 },
 "properties": {
  "A": 533.2539,
  "Ix": 363394.5608,
  "Iy": 363394.5608,
  "Zx": 9550.4484,
  "Zy": 9550.4484,
  "Sx": 12530.8677,
  "Sy": 12530.8677,
  "J": 726789.1215,
  "C": 19100.8968,
  "rx": 26.1049,
  "ry": 26.1049,
  "mass_calc": 4.186,
  "surface": 0.2391,
  "surface_t": 57.0585
 },
 "design_AS4100": {
  "grade": "C350L0",
  "fy": 350,
  "fu": 430,
  "kf": 1.0,
  "phiVv": 60470.99645810552,
  "phiNs": 167974.99016140422,
  "phiNt": 167974.99016140422,
  "phiMsx": 3947223.3149999944,
  "phiMsy": 3947223.3149999944,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/76-1x2-3chs/"
}