{
 "designation": "50x50x1.6SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 2.38,
 "dimensions_mm": {
  "d": 50.0,
  "b": 50.0,
  "t": 1.6,
  "ro": 3.2
 },
 "properties": {
  "A": 303.1649,
  "Ix": 117048.902,
  "Iy": 117048.902,
  "Zx": 4681.9561,
  "Zy": 4681.9561,
  "Sx": 5461.2969,
  "Sy": 5461.2969,
  "J": 184829.7585,
  "C": 7034.6872,
  "Iw": 0.0,
  "rx": 19.6492,
  "ry": 19.6492,
  "mass_calc": 2.3798,
  "surface": 0.1945,
  "surface_t": 81.7251
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 36391.68,
  "phiNs": 122781.76445036795,
  "phiNt": 115960.55531423641,
  "phiMsx": 1920085.8552367925,
  "phiMsy": 1920085.8552368744,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/50x50x1-6shs/"
}