{
 "designation": "200x100x9.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 37.7,
 "dimensions_mm": {
  "d": 200.0,
  "b": 100.0,
  "t": 9.0,
  "ro": 22.5
 },
 "properties": {
  "A": 4797.7671,
  "Ix": 22754959.6062,
  "Iy": 7644023.235,
  "Zx": 227549.5961,
  "Zy": 152880.4647,
  "Sx": 293439.542,
  "Sy": 180451.1855,
  "J": 19882598.1482,
  "C": 271753.1836,
  "Iw": 0.0,
  "rx": 68.8682,
  "ry": 39.9155,
  "mass_calc": 37.6625,
  "surface": 0.5614,
  "surface_t": 14.8904
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 796068.0,
  "phiNs": 1943095.6877498904,
  "phiNt": 1835145.9273193406,
  "phiMsx": 118843014.49740186,
  "phiMsy": 73082730.10990682,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/200x100x9-0rhs/"
}