{
 "designation": "300x20FL",
 "type": "Flat Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 47.1,
 "dimensions_mm": {
  "b": 300.0,
  "t": 20.0
 },
 "properties": {
  "A": 6000.0,
  "Ix": 200000.0,
  "Iy": 45000000.0,
  "Zx": 20000.0,
  "Zy": 300000.0,
  "Sx": 30000.0,
  "Sy": 450000.0,
  "J": 766400.0,
  "rx": 5.7735,
  "ry": 86.6025,
  "mass_calc": 47.1,
  "surface": 0.64,
  "surface_t": 13.5881
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 280,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 1512000.0,
  "phiNt": 1512000.0,
  "phiMsx": 7560000.0,
  "phiMsy": 113400000.0,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/flat-bar/300x20fl/"
}