{
 "designation": "250x250x8.0SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 59.1,
 "dimensions_mm": {
  "d": 250.0,
  "b": 250.0,
  "t": 8.0,
  "ro": 20.0
 },
 "properties": {
  "A": 7524.1617,
  "Ix": 72290795.0487,
  "Iy": 72290795.0487,
  "Zx": 578326.3604,
  "Zy": 578326.3604,
  "Sx": 675758.3015,
  "Sy": 675758.3015,
  "J": 115977692.6944,
  "C": 878175.6883,
  "Iw": 0.0,
  "rx": 98.0195,
  "ry": 98.0195,
  "mass_calc": 59.0647,
  "surface": 0.9657,
  "surface_t": 16.3394
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 909792.0,
  "phiNs": 3047285.4816789352,
  "phiNt": 2877991.8438078836,
  "phiMsx": 237209320.72635788,
  "phiMsy": 237209320.72636414,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/250x250x8-0shs/"
}