{
 "designation": "75x75x6.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 12.0,
 "dimensions_mm": {
  "d": 75.0,
  "b": 75.0,
  "t": 6.0,
  "ro": 15.0
 },
 "properties": {
  "A": 1532.3409,
  "Ix": 1157812.51,
  "Iy": 1157812.51,
  "Zx": 30875.0003,
  "Zy": 30875.0003,
  "Sx": 38410.1052,
  "Sy": 38410.1052,
  "J": 2039268.4981,
  "C": 48192.6024,
  "Iw": 0.0,
  "rx": 27.4879,
  "ry": 27.4879,
  "mass_calc": 12.0289,
  "surface": 0.2742,
  "surface_t": 22.8538
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 183708.0,
  "phiNs": 620598.0834443962,
  "phiNt": 586120.4121419297,
  "phiMsx": 15556092.6024722,
  "phiMsy": 15556092.602472138,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/75x75x6-0shs/"
}