{
 "designation": "350x350x16.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 161.0,
 "dimensions_mm": {
  "d": 350.0,
  "b": 350.0,
  "t": 16.0,
  "ro": 40.0
 },
 "properties": {
  "A": 20496.6467,
  "Ix": 372066796.8449,
  "Iy": 372066796.8449,
  "Zx": 2126095.982,
  "Zy": 2126095.982,
  "Sx": 2527217.9071,
  "Sy": 2527217.9071,
  "J": 613711188.2708,
  "C": 3250770.6322,
  "Iw": 0.0,
  "rx": 134.7315,
  "ry": 134.7315,
  "mass_calc": 160.8987,
  "surface": 1.3313,
  "surface_t": 8.2691
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 2472768.0,
  "phiNs": 8301141.926715694,
  "phiNt": 7839967.37523149,
  "phiMsx": 1023523252.3727788,
  "phiMsy": 1023523252.3727863,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/350x350x16-0shs/"
}