{
 "designation": "30x30x1.6SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 1.38,
 "dimensions_mm": {
  "d": 30.0,
  "b": 30.0,
  "t": 1.6,
  "ro": 3.2
 },
 "properties": {
  "A": 175.1649,
  "Ix": 23087.5016,
  "Iy": 23087.5016,
  "Zx": 1539.1668,
  "Zy": 1539.1668,
  "Sx": 1840.8484,
  "Sy": 1840.8484,
  "J": 37714.0864,
  "C": 2321.7094,
  "Iw": 0.0,
  "rx": 11.4806,
  "ry": 11.4806,
  "mass_calc": 1.375,
  "surface": 0.1145,
  "surface_t": 82.9751
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 20839.68,
  "phiNs": 70941.76445036805,
  "phiNt": 67000.55531423648,
  "phiMsx": 745543.6160950013,
  "phiMsy": 745543.6160949985,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/30x30x1-6shs/"
}