{
 "designation": "50x50x2.5SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 3.6,
 "dimensions_mm": {
  "d": 50.0,
  "b": 50.0,
  "t": 2.5,
  "ro": 5.0
 },
 "properties": {
  "A": 458.8986,
  "Ix": 169435.2507,
  "Iy": 169435.2507,
  "Zx": 6777.41,
  "Zy": 6777.41,
  "Sx": 8073.7811,
  "Sy": 8073.7811,
  "J": 275323.258,
  "C": 10215.5235,
  "Iw": 0.0,
  "rx": 19.2151,
  "ry": 19.2151,
  "mass_calc": 3.6024,
  "surface": 0.1914,
  "surface_t": 53.1709
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 54675.0,
  "phiNs": 185853.91711515485,
  "phiNt": 175528.69949764624,
  "phiMsx": 3269881.364995448,
  "phiMsy": 3269881.364995438,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/50x50x2-5shs/"
}