{
 "designation": "100x20FL",
 "type": "Flat Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 15.7,
 "dimensions_mm": {
  "b": 100.0,
  "t": 20.0
 },
 "properties": {
  "A": 2000.0,
  "Ix": 66666.6667,
  "Iy": 1666666.6667,
  "Zx": 6666.6667,
  "Zy": 33333.3333,
  "Sx": 10000.0,
  "Sy": 50000.0,
  "J": 233066.6667,
  "rx": 5.7735,
  "ry": 28.8675,
  "mass_calc": 15.7,
  "surface": 0.24,
  "surface_t": 15.2866
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 280,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 504000.0,
  "phiNt": 504000.0,
  "phiMsx": 2520000.0,
  "phiMsy": 12600000.0,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/flat-bar/100x20fl/"
}