{
 "designation": "39RND",
 "type": "Round Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 9.38,
 "dimensions_mm": {
  "dia": 39.0
 },
 "properties": {
  "A": 1194.5906,
  "Ix": 113560.7695,
  "Zx": 5823.6292,
  "Sx": 9886.5,
  "J": 227121.5391,
  "Iy": 113560.7695,
  "Zy": 5823.6292,
  "Sy": 9886.5,
  "rx": 9.75,
  "ry": 9.75,
  "mass_calc": 9.3775,
  "surface": 0.1225,
  "surface_t": 13.0621
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 300,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 322539.46376243007,
  "phiNt": 322539.46376243007,
  "phiMsx": 2358569.82876277,
  "phiMsy": 2358569.82876277,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/round-bar/39rnd/"
}