{
 "designation": "75x75x3.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 6.6,
 "dimensions_mm": {
  "d": 75.0,
  "b": 75.0,
  "t": 3.0,
  "ro": 6.0
 },
 "properties": {
  "A": 840.8139,
  "Ix": 716179.1267,
  "Iy": 716179.1267,
  "Zx": 19098.11,
  "Zy": 19098.11,
  "Sx": 22485.0983,
  "Sy": 22485.0983,
  "J": 1145428.4262,
  "C": 28730.3148,
  "Iw": 0.0,
  "rx": 29.1851,
  "ry": 29.1851,
  "mass_calc": 6.6004,
  "surface": 0.2897,
  "surface_t": 43.8937
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 100602.0,
  "phiNs": 340529.64064582216,
  "phiNt": 321611.32727660984,
  "phiMsx": 8988806.276427655,
  "phiMsy": 8988806.27642768,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/75x75x3-0shs/"
}