{
 "designation": "125x75x3.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 8.96,
 "dimensions_mm": {
  "d": 125.0,
  "b": 75.0,
  "t": 3.0,
  "ro": 6.0
 },
 "properties": {
  "A": 1140.8139,
  "Ix": 2428442.7454,
  "Iy": 1105204.1267,
  "Zx": 38855.0839,
  "Zy": 29472.11,
  "Sx": 47255.4465,
  "Sy": 33285.0983,
  "J": 2428626.7339,
  "C": 49456.0121,
  "Iw": 0.0,
  "rx": 46.1378,
  "ry": 31.1253,
  "mass_calc": 8.9554,
  "surface": 0.3897,
  "surface_t": 43.4931
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 0.84454635315902,
  "phiVv": 173502.0,
  "phiNs": 390205.448058801,
  "phiNt": 436361.32727660914,
  "phiMsx": 18846640.727536667,
  "phiMsy": 8971483.969107345,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/125x75x3-0rhs/"
}