{
 "designation": "75x75x4.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 8.49,
 "dimensions_mm": {
  "d": 75.0,
  "b": 75.0,
  "t": 4.0,
  "ro": 10.0
 },
 "properties": {
  "A": 1081.0404,
  "Ix": 882368.9025,
  "Iy": 882368.9025,
  "Zx": 23529.8374,
  "Zy": 23529.8374,
  "Sx": 28243.7772,
  "Sy": 28243.7772,
  "J": 1477551.8994,
  "C": 36128.1611,
  "Iw": 0.0,
  "rx": 28.5696,
  "ry": 28.5696,
  "mass_calc": 8.4862,
  "surface": 0.2828,
  "surface_t": 33.3133
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 130248.0,
  "phiNs": 437821.37041973125,
  "phiNt": 413497.96095196845,
  "phiMsx": 11438729.753201352,
  "phiMsy": 11438729.75320138,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/75x75x4-0shs/"
}