{
 "designation": "12RND",
 "type": "Round Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 0.89,
 "dimensions_mm": {
  "dia": 12.0
 },
 "properties": {
  "A": 113.0973,
  "Ix": 1017.876,
  "Zx": 169.646,
  "Sx": 288.0,
  "J": 2035.752,
  "Iy": 1017.876,
  "Zy": 169.646,
  "Sy": 288.0,
  "rx": 3.0,
  "ry": 3.0,
  "mass_calc": 0.8878,
  "surface": 0.0377,
  "surface_t": 42.3586
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 300,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 30536.280592892792,
  "phiNt": 30536.280592892792,
  "phiMsx": 68706.63133400877,
  "phiMsy": 68706.63133400877,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/round-bar/12rnd/"
}