{
 "designation": "30x30x2.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 1.68,
 "dimensions_mm": {
  "d": 30.0,
  "b": 30.0,
  "t": 2.0,
  "ro": 4.0
 },
 "properties": {
  "A": 213.6951,
  "Ix": 27218.6295,
  "Iy": 27218.6295,
  "Zx": 1814.5753,
  "Zy": 1814.5753,
  "Sx": 2205.3006,
  "Sy": 2205.3006,
  "J": 45402.7119,
  "C": 2746.6472,
  "Iw": 0.0,
  "rx": 11.2859,
  "ry": 11.2859,
  "mass_calc": 1.6775,
  "surface": 0.1131,
  "surface_t": 67.3405
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 25272.0,
  "phiNs": 86546.5069536994,
  "phiNt": 81738.36767849389,
  "phiMsx": 893146.7241091777,
  "phiMsy": 893146.724109177,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/30x30x2-0shs/"
}