{
 "designation": "65x35x2.5RHS",
 "type": "Rectangular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 3.6,
 "dimensions_mm": {
  "d": 65.0,
  "b": 35.0,
  "t": 2.5,
  "ro": 5.0
 },
 "properties": {
  "A": 458.8986,
  "Ix": 244480.012,
  "Iy": 92579.0776,
  "Zx": 7522.4619,
  "Zy": 5290.233,
  "Sx": 9453.0204,
  "Sy": 6132.0419,
  "J": 223065.4007,
  "C": 9104.7214,
  "Iw": 0.0,
  "rx": 23.0815,
  "ry": 14.2036,
  "mass_calc": 3.6024,
  "surface": 0.1914,
  "surface_t": 53.1709
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 72900.0,
  "phiNs": 185853.9171151554,
  "phiNt": 175528.6994976468,
  "phiMsx": 3828473.2433591257,
  "phiMsy": 2408492.9862777716,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/rectangular-hollow-sections/65x35x2-5rhs/"
}