{
 "designation": "65x65x4.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 7.23,
 "dimensions_mm": {
  "d": 65.0,
  "b": 65.0,
  "t": 4.0,
  "ro": 10.0
 },
 "properties": {
  "A": 921.0404,
  "Ix": 551763.808,
  "Iy": 551763.808,
  "Zx": 16977.3479,
  "Zy": 16977.3479,
  "Sx": 20598.5751,
  "Sy": 20598.5751,
  "J": 938791.6025,
  "C": 26192.4676,
  "Iw": 0.0,
  "rx": 24.4758,
  "ry": 24.4758,
  "mass_calc": 7.2302,
  "surface": 0.2428,
  "surface_t": 33.5865
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 110808.0,
  "phiNs": 373021.3704197307,
  "phiNt": 352297.96095196786,
  "phiMsx": 8342422.901102671,
  "phiMsy": 8342422.901102744,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/65x65x4-0shs/"
}