{
 "designation": "50x25x2.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 2.15,
 "dimensions_mm": {
  "d": 50.0,
  "b": 25.0,
  "t": 2.0,
  "ro": 4.0
 },
 "properties": {
  "A": 273.6951,
  "Ix": 83834.1485,
  "Iy": 28092.721,
  "Zx": 3353.3659,
  "Zy": 2247.4177,
  "Sx": 4262.2513,
  "Sy": 2616.0629,
  "J": 70621.2019,
  "C": 3918.698,
  "Iw": 0.0,
  "rx": 17.5016,
  "ry": 10.1313,
  "mass_calc": 2.1485,
  "surface": 0.1431,
  "surface_t": 66.5731
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 44712.0,
  "phiNs": 110846.50695369963,
  "phiNt": 104688.3676784941,
  "phiMsx": 1726211.793646175,
  "phiMsy": 1046699.315865025,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/50x25x2-0rhs/"
}