{
 "designation": "25x25x1.6SHS",
 "type": "Square Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 1.12,
 "dimensions_mm": {
  "d": 25.0,
  "b": 25.0,
  "t": 1.6,
  "ro": 3.2
 },
 "properties": {
  "A": 143.1649,
  "Ix": 12751.0531,
  "Iy": 12751.0531,
  "Zx": 1020.0842,
  "Zy": 1020.0842,
  "Sx": 1235.7363,
  "Sy": 1235.7363,
  "J": 21181.2901,
  "C": 1542.8985,
  "Iw": 0.0,
  "rx": 9.4375,
  "ry": 9.4375,
  "mass_calc": 1.1238,
  "surface": 0.0945,
  "surface_t": 84.38
 },
 "design_AS4100": {
  "grade": "C450L0",
  "fy": 450,
  "fu": 500,
  "kf": 1.0,
  "phiVv": 16951.68,
  "phiNs": 57981.7644503677,
  "phiNt": 54760.55531423616,
  "phiMsx": 500473.20496908174,
  "phiMsy": 500473.2049690846,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-hollow-sections/25x25x1-6shs/"
}