{
 "designation": "150x50x6.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 16.7,
 "dimensions_mm": {
  "d": 150.0,
  "b": 50.0,
  "t": 6.0,
  "ro": 15.0
 },
 "properties": {
  "A": 2132.3409,
  "Ix": 5059199.8557,
  "Iy": 859663.1531,
  "Zx": 67455.9981,
  "Zy": 34386.5261,
  "Sx": 91147.8907,
  "Sy": 40930.8434,
  "J": 2631822.16,
  "C": 64253.2201,
  "Iw": 0.0,
  "rx": 48.7094,
  "ry": 20.0787,
  "mass_calc": 16.7389,
  "surface": 0.3742,
  "surface_t": 22.4099
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 402408.0,
  "phiNs": 863598.0834443946,
  "phiNt": 815620.4121419283,
  "phiMsx": 36914895.73163694,
  "phiMsy": 16349652.4979512,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/150x50x6-0rhs/"
}