{
 "designation": "200x100x8.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 33.9,
 "dimensions_mm": {
  "d": 200.0,
  "b": 100.0,
  "t": 8.0,
  "ro": 20.0
 },
 "properties": {
  "A": 4324.1617,
  "Ix": 20907614.3588,
  "Iy": 7053392.6241,
  "Zx": 209076.1436,
  "Zy": 141067.8525,
  "Sx": 267254.2594,
  "Sy": 164646.1753,
  "J": 18107235.0386,
  "C": 249600.5237,
  "Iw": 0.0,
  "rx": 69.5347,
  "ry": 40.3876,
  "mass_calc": 33.9447,
  "surface": 0.5657,
  "surface_t": 16.6861
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 715392.0,
  "phiNs": 1751285.4816789257,
  "phiNt": 1653991.8438078745,
  "phiMsx": 108237975.0675842,
  "phiMsy": 65862627.94924448,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/200x100x8-0rhs/"
}