{
 "designation": "50x25x2.5RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 2.62,
 "dimensions_mm": {
  "d": 50.0,
  "b": 25.0,
  "t": 2.5,
  "ro": 5.0
 },
 "properties": {
  "A": 333.8986,
  "Ix": 98862.3341,
  "Iy": 32783.2055,
  "Zx": 3954.4934,
  "Zy": 2622.6564,
  "Sx": 5105.0311,
  "Sy": 3118.7991,
  "J": 84295.0289,
  "C": 4600.4912,
  "Iw": 0.0,
  "rx": 17.2071,
  "ry": 9.9087,
  "mass_calc": 2.6211,
  "surface": 0.1414,
  "surface_t": 53.9752
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 54675.0,
  "phiNs": 135228.91711515564,
  "phiNt": 127716.19949764699,
  "phiMsx": 2067537.6149954689,
  "phiMsy": 1263113.651056013,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/50x25x2-5rhs/"
}