{
 "designation": "75x75x5.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 10.3,
 "dimensions_mm": {
  "d": 75.0,
  "b": 75.0,
  "t": 5.0,
  "ro": 12.5
 },
 "properties": {
  "A": 1314.1257,
  "Ix": 1032789.9624,
  "Iy": 1032789.9624,
  "Zx": 27541.0657,
  "Zy": 27541.0657,
  "Sx": 33644.4805,
  "Sy": 33644.4805,
  "J": 1774522.1548,
  "C": 42622.974,
  "Iw": 0.0,
  "rx": 28.0342,
  "ry": 28.0342,
  "mass_calc": 10.3159,
  "surface": 0.2785,
  "surface_t": 27.0425
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 157950.0,
  "phiNs": 532220.8912808292,
  "phiNt": 502653.0639874498,
  "phiMsx": 13626014.59971359,
  "phiMsy": 13626014.599713588,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/75x75x5-0shs/"
}