{
 "designation": "75x75x2.5SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 5.56,
 "dimensions_mm": {
  "d": 75.0,
  "b": 75.0,
  "t": 2.5,
  "ro": 5.0
 },
 "properties": {
  "A": 708.8986,
  "Ix": 613816.0129,
  "Iy": 613816.0129,
  "Zx": 16368.427,
  "Zy": 16368.427,
  "Sx": 19122.5132,
  "Sy": 19122.5132,
  "J": 971332.332,
  "C": 24598.2349,
  "Iw": 0.0,
  "rx": 29.4257,
  "ry": 29.4257,
  "mass_calc": 5.5649,
  "surface": 0.2914,
  "surface_t": 52.4128
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 85050.0,
  "phiNs": 287103.91711515654,
  "phiNt": 271153.6994976478,
  "phiMsx": 6900708.956249224,
  "phiMsy": 6900708.956249205,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/75x75x2-5shs/"
}