{
 "designation": "90RND",
 "type": "Round Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 49.94,
 "dimensions_mm": {
  "dia": 90.0
 },
 "properties": {
  "A": 6361.7251,
  "Ix": 3220623.3438,
  "Zx": 71569.4076,
  "Sx": 121500.0,
  "J": 6441246.6876,
  "Iy": 3220623.3438,
  "Zy": 71569.4076,
  "Sy": 121500.0,
  "rx": 22.5,
  "ry": 22.5,
  "mass_calc": 49.9395,
  "surface": 0.2827,
  "surface_t": 5.6617
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 290,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 1660410.2572385455,
  "phiNt": 1660410.2572385455,
  "phiMsx": 28019423.090900455,
  "phiMsy": 28019423.090900455,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/round-bar/90rnd/"
}