{
 "designation": "250x250x6.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 45.0,
 "dimensions_mm": {
  "d": 250.0,
  "b": 250.0,
  "t": 6.0,
  "ro": 15.0
 },
 "properties": {
  "A": 5732.3409,
  "Ix": 56233641.2922,
  "Iy": 56233641.2922,
  "Zx": 449869.1303,
  "Zy": 449869.1303,
  "Sx": 520564.938,
  "Sy": 520564.938,
  "J": 88739634.0598,
  "C": 680664.8714,
  "Iw": 0.0,
  "rx": 99.0449,
  "ry": 99.0449,
  "mass_calc": 44.9989,
  "surface": 0.9742,
  "surface_t": 21.6499
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 0.7525008549956758,
  "phiVv": 694008.0,
  "phiNs": 1747004.5427482226,
  "phiNt": 2192620.41214192,
  "phiMsx": 136942814.2344418,
  "phiMsy": 136942814.23444068,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/250x250x6-0shs/"
}