{
 "designation": "150x50x2.5RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 7.53,
 "dimensions_mm": {
  "d": 150.0,
  "b": 50.0,
  "t": 2.5,
  "ro": 5.0
 },
 "properties": {
  "A": 958.8986,
  "Ix": 2540726.4342,
  "Iy": 451726.9174,
  "Zx": 33876.3525,
  "Zy": 18069.0767,
  "Sx": 43518.7092,
  "Sy": 19948.7811,
  "J": 1277372.8069,
  "C": 32778.685,
  "Iw": 0.0,
  "rx": 51.4746,
  "ry": 21.7046,
  "mass_calc": 7.5274,
  "surface": 0.3914,
  "surface_t": 51.9808
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 0.6325763556636045,
  "phiVv": 176175.0,
  "phiNs": 245663.50559638935,
  "phiNt": 366778.699497645,
  "phiMsx": 17625077.220753234,
  "phiMsy": 3761722.2832061267,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/150x50x2-5rhs/"
}