{
 "designation": "250x250x9.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 65.9,
 "dimensions_mm": {
  "d": 250.0,
  "b": 250.0,
  "t": 9.0,
  "ro": 22.5
 },
 "properties": {
  "A": 8397.7671,
  "Ix": 79835941.1611,
  "Iy": 79835941.1611,
  "Zx": 638687.5293,
  "Zy": 638687.5293,
  "Sx": 749983.7202,
  "Sy": 749983.7202,
  "J": 129133132.7596,
  "C": 971695.6188,
  "Iw": 0.0,
  "rx": 97.5029,
  "ry": 97.5029,
  "mass_calc": 65.9225,
  "surface": 0.9614,
  "surface_t": 14.5883
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 1014768.0,
  "phiNs": 3401095.6877498897,
  "phiNt": 3212145.92731934,
  "phiMsx": 283078711.1342471,
  "phiMsy": 283078711.134248,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/250x250x9-0shs/"
}