{
 "designation": "50x25x1.6RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 1.75,
 "dimensions_mm": {
  "d": 50.0,
  "b": 25.0,
  "t": 1.6,
  "ro": 3.2
 },
 "properties": {
  "A": 223.1649,
  "Ix": 70180.6354,
  "Iy": 23719.3197,
  "Zx": 2807.2254,
  "Zy": 1897.5456,
  "Sx": 3525.2969,
  "Sy": 2171.7363,
  "J": 58533.7741,
  "C": 3294.1715,
  "Iw": 0.0,
  "rx": 17.7336,
  "ry": 10.3095,
  "mass_calc": 1.7518,
  "surface": 0.1445,
  "surface_t": 82.5747
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 36391.68,
  "phiNs": 90381.76445036846,
  "phiNt": 85360.55531423687,
  "phiMsx": 1427745.2605986919,
  "phiMsy": 776912.3140240323,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/50x25x1-6rhs/"
}