{
 "designation": "20x3FL",
 "type": "Flat Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 0.47,
 "dimensions_mm": {
  "b": 20.0,
  "t": 3.0
 },
 "properties": {
  "A": 60.0,
  "Ix": 45.0,
  "Iy": 2000.0,
  "Zx": 30.0,
  "Zy": 200.0,
  "Sx": 45.0,
  "Sy": 300.0,
  "J": 162.99,
  "rx": 0.866,
  "ry": 5.7735,
  "mass_calc": 0.471,
  "surface": 0.046,
  "surface_t": 97.8723
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 320,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 17280.0,
  "phiNt": 17280.0,
  "phiMsx": 12960.0,
  "phiMsy": 86400.0,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/flat-bar/20x3fl/"
}