{
 "designation": "50x50x3.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 4.25,
 "dimensions_mm": {
  "d": 50.0,
  "b": 50.0,
  "t": 3.0,
  "ro": 6.0
 },
 "properties": {
  "A": 540.8139,
  "Ix": 194666.3459,
  "Iy": 194666.3459,
  "Zx": 7786.6538,
  "Zy": 7786.6538,
  "Sx": 9387.4242,
  "Sy": 9387.4242,
  "J": 321347.595,
  "C": 11764.8349,
  "Iw": 0.0,
  "rx": 18.9724,
  "ry": 18.9724,
  "mass_calc": 4.2454,
  "surface": 0.1897,
  "surface_t": 44.6348
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 64152.0,
  "phiNs": 219029.64064582437,
  "phiNt": 206861.3272766119,
  "phiMsx": 3801906.7954830285,
  "phiMsy": 3801906.795483052,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/50x50x3-0shs/"
}