{
 "designation": "350x250x8.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 71.6,
 "dimensions_mm": {
  "d": 350.0,
  "b": 250.0,
  "t": 8.0,
  "ro": 20.0
 },
 "properties": {
  "A": 9124.1617,
  "Ix": 160010362.7405,
  "Iy": 95724928.3821,
  "Zx": 914344.9299,
  "Zy": 765799.4271,
  "Sx": 1091966.3857,
  "Sy": 869358.3015,
  "J": 191363235.5287,
  "C": 1252811.314,
  "Iw": 0.0,
  "rx": 132.4273,
  "ry": 102.4274,
  "mass_calc": 71.6247,
  "surface": 1.1657,
  "surface_t": 16.2802
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 0.8325569656201437,
  "phiVv": 1298592.0,
  "phiNs": 3076535.6677267635,
  "phiNt": 3489991.8438078584,
  "phiMsx": 375755354.34691757,
  "phiMsy": 221481430.19298047,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/350x250x8-0rhs/"
}