{
 "designation": "100x50x6.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 12.0,
 "dimensions_mm": {
  "d": 100.0,
  "b": 50.0,
  "t": 6.0,
  "ro": 15.0
 },
 "properties": {
  "A": 1532.3409,
  "Ix": 1709518.4127,
  "Iy": 567463.1531,
  "Zx": 34190.3683,
  "Zy": 22698.5261,
  "Sx": 45339.367,
  "Sy": 27730.8434,
  "J": 1531251.3381,
  "C": 40919.9536,
  "Iw": 0.0,
  "rx": 33.401,
  "ry": 19.2438,
  "mass_calc": 12.0289,
  "surface": 0.2742,
  "surface_t": 22.8538
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 256608.0,
  "phiNs": 620598.0834443951,
  "phiNt": 586120.4121419287,
  "phiMsx": 18362443.645527117,
  "phiMsy": 11230991.559417207,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/100x50x6-0rhs/"
}