{
 "designation": "20RND",
 "type": "Round Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 2.47,
 "dimensions_mm": {
  "dia": 20.0
 },
 "properties": {
  "A": 314.1593,
  "Ix": 7853.9816,
  "Zx": 785.3982,
  "Sx": 1333.3333,
  "J": 15707.9633,
  "Iy": 7853.9816,
  "Zy": 785.3982,
  "Sy": 1333.3333,
  "rx": 5.0,
  "ry": 5.0,
  "mass_calc": 2.4662,
  "surface": 0.0628,
  "surface_t": 25.438
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 300,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 84823.00164692441,
  "phiNt": 84823.00164692441,
  "phiMsx": 318086.2561759665,
  "phiMsy": 318086.2561759665,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/round-bar/20rnd/"
}