{
 "designation": "250x250x10.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 72.7,
 "dimensions_mm": {
  "d": 250.0,
  "b": 250.0,
  "t": 10.0,
  "ro": 25.0
 },
 "properties": {
  "A": 9256.5026,
  "Ix": 87064813.7015,
  "Iy": 87064813.7015,
  "Zx": 696518.5096,
  "Zy": 696518.5096,
  "Sx": 821980.9754,
  "Sy": 821980.9754,
  "J": 141972204.8048,
  "C": 1061796.9748,
  "Iw": 0.0,
  "rx": 96.9835,
  "ry": 96.9835,
  "mass_calc": 72.6635,
  "surface": 0.9571,
  "surface_t": 13.1647
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 1117800.0,
  "phiNs": 3748883.5651233126,
  "phiNt": 3540612.255949795,
  "phiMsx": 328543930.6562285,
  "phiMsy": 328543930.65622723,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/250x250x10-0shs/"
}