{
 "designation": "250x150x9.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 51.8,
 "dimensions_mm": {
  "d": 250.0,
  "b": 150.0,
  "t": 9.0,
  "ro": 22.5
 },
 "properties": {
  "A": 6597.7671,
  "Ix": 53687341.1611,
  "Iy": 24331986.9642,
  "Zx": 429498.7293,
  "Zy": 324426.4929,
  "Sx": 533083.7202,
  "Sy": 375095.3637,
  "J": 55957664.2663,
  "C": 554329.7761,
  "Iw": 0.0,
  "rx": 90.2064,
  "ry": 60.7282,
  "mass_calc": 51.7925,
  "surface": 0.7614,
  "surface_t": 14.6982
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 1014768.0,
  "phiNs": 2672095.687749888,
  "phiNt": 2523645.9273193385,
  "phiMsx": 215898906.69114822,
  "phiMsy": 142505782.00238225,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/250x150x9-0rhs/"
}