{
 "designation": "114.3x4.5CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 12.2,
 "dimensions_mm": {
  "do": 114.3,
  "t": 4.5
 },
 "properties": {
  "A": 1552.2609,
  "Ix": 2343194.1435,
  "Iy": 2343194.1435,
  "Zx": 41000.7724,
  "Zy": 41000.7724,
  "Sx": 54282.555,
  "Sy": 54282.555,
  "J": 4686388.287,
  "C": 82001.5448,
  "rx": 38.8528,
  "ry": 38.8528,
  "mass_calc": 12.1852,
  "surface": 0.3591,
  "surface_t": 29.4331
 },
 "design_AS4100": {
  "grade": "C250L0",
  "fy": 250,
  "fu": 320,
  "kf": 1.0,
  "phiVv": 125733.13534123603,
  "phiNs": 349258.70928121125,
  "phiNt": 349258.70928121125,
  "phiMsx": 12213574.875000004,
  "phiMsy": 12213574.875000004,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/114-3x4-5chs/"
}