{
 "designation": "50x20FL",
 "type": "Flat Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 7.85,
 "dimensions_mm": {
  "b": 50.0,
  "t": 20.0
 },
 "properties": {
  "A": 1000.0,
  "Ix": 33333.3333,
  "Iy": 208333.3333,
  "Zx": 3333.3333,
  "Zy": 8333.3333,
  "Sx": 5000.0,
  "Sy": 12500.0,
  "J": 99733.3333,
  "rx": 5.7735,
  "ry": 14.4338,
  "mass_calc": 7.85,
  "surface": 0.14,
  "surface_t": 17.8344
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 280,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 252000.0,
  "phiNt": 252000.0,
  "phiMsx": 1260000.0,
  "phiMsy": 3150000.0,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/flat-bar/50x20fl/"
}