{
 "designation": "100x50x3.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 6.6,
 "dimensions_mm": {
  "d": 100.0,
  "b": 50.0,
  "t": 3.0,
  "ro": 6.0
 },
 "properties": {
  "A": 840.8139,
  "Ix": 1064546.2599,
  "Iy": 360566.3459,
  "Zx": 21290.9252,
  "Zy": 14422.6538,
  "Sx": 26657.7724,
  "Sy": 16437.4242,
  "J": 885640.961,
  "C": 25012.1919,
  "Iw": 0.0,
  "rx": 35.5822,
  "ry": 20.7082,
  "mass_calc": 6.6004,
  "surface": 0.2897,
  "surface_t": 43.8937
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 0.967479504673902,
  "phiVv": 137052.0,
  "phiNs": 329455.4480588055,
  "phiNt": 321611.3272766133,
  "phiMsx": 10796397.811628655,
  "phiMsy": 5557984.650152987,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/100x50x3-0rhs/"
}