{
 "designation": "65x35x4.0RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 5.35,
 "dimensions_mm": {
  "d": 65.0,
  "b": 35.0,
  "t": 4.0,
  "ro": 10.0
 },
 "properties": {
  "A": 681.0404,
  "Ix": 328183.808,
  "Iy": 123040.6507,
  "Zx": 10097.9633,
  "Zy": 7030.8943,
  "Sx": 13278.5751,
  "Sy": 8582.9688,
  "J": 320419.8188,
  "C": 12532.5308,
  "Iw": 0.0,
  "rx": 21.9519,
  "ry": 13.4412,
  "mass_calc": 5.3462,
  "surface": 0.1828,
  "surface_t": 34.1739
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 110808.0,
  "phiNs": 275821.3704197311,
  "phiNt": 260497.96095196824,
  "phiMsx": 5377822.901102693,
  "phiMsy": 3476102.344806721,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/65x35x4-0rhs/"
}