{
 "designation": "75x20FL",
 "type": "Flat Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 11.77,
 "dimensions_mm": {
  "b": 75.0,
  "t": 20.0
 },
 "properties": {
  "A": 1500.0,
  "Ix": 50000.0,
  "Iy": 703125.0,
  "Zx": 5000.0,
  "Zy": 18750.0,
  "Sx": 7500.0,
  "Sy": 28125.0,
  "J": 166400.0,
  "rx": 5.7735,
  "ry": 21.6506,
  "mass_calc": 11.775,
  "surface": 0.19,
  "surface_t": 16.1427
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 280,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 378000.0,
  "phiNt": 378000.0,
  "phiMsx": 1890000.0,
  "phiMsy": 7087500.0,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/flat-bar/75x20fl/"
}