{
 "designation": "200x100x5.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 22.1,
 "dimensions_mm": {
  "d": 200.0,
  "b": 100.0,
  "t": 5.0,
  "ro": 12.5
 },
 "properties": {
  "A": 2814.1257,
  "Ix": 14376340.8736,
  "Iy": 4915171.6087,
  "Zx": 143763.4087,
  "Zy": 98303.4322,
  "Sx": 179214.8341,
  "Sy": 111008.5512,
  "J": 12105304.6394,
  "C": 171650.9379,
  "Iw": 0.0,
  "rx": 71.4747,
  "ry": 41.7924,
  "mass_calc": 22.0909,
  "surface": 0.5785,
  "surface_t": 26.1782
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 0.8545594387685799,
  "phiVv": 461700.0,
  "phiNs": 973959.2452057631,
  "phiNt": 1076403.0639874411,
  "phiMsx": 72582007.80476476,
  "phiMsy": 31236606.487549733,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/200x100x5-0rhs/"
}