{
 "designation": "150x50x3.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 8.96,
 "dimensions_mm": {
  "d": 150.0,
  "b": 50.0,
  "t": 3.0,
  "ro": 6.0
 },
 "properties": {
  "A": 1140.8139,
  "Ix": 2985443.5833,
  "Iy": 526466.3459,
  "Zx": 39805.9144,
  "Zy": 21058.6538,
  "Sx": 51428.1206,
  "Sy": 23487.4242,
  "J": 1502163.2708,
  "C": 38276.0611,
  "Iw": 0.0,
  "rx": 51.1561,
  "ry": 21.4822,
  "mass_calc": 8.9554,
  "surface": 0.3897,
  "surface_t": 43.4931
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 0.7130612823850265,
  "phiVv": 209952.0,
  "phiNs": 329455.44805880584,
  "phiNt": 436361.3272766136,
  "phiMsx": 20828388.827774264,
  "phiMsy": 5297465.417452282,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/150x50x3-0rhs/"
}