{
 "designation": "250x20FL",
 "type": "Flat Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 39.25,
 "dimensions_mm": {
  "b": 250.0,
  "t": 20.0
 },
 "properties": {
  "A": 5000.0,
  "Ix": 166666.6667,
  "Iy": 26041666.6667,
  "Zx": 16666.6667,
  "Zy": 208333.3333,
  "Sx": 25000.0,
  "Sy": 312500.0,
  "J": 633066.6667,
  "rx": 5.7735,
  "ry": 72.1688,
  "mass_calc": 39.25,
  "surface": 0.54,
  "surface_t": 13.758
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 280,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 1260000.0,
  "phiNt": 1260000.0,
  "phiMsx": 6300000.0,
  "phiMsy": 78750000.0,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/flat-bar/250x20fl/"
}