{
 "designation": "75RND",
 "type": "Round Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 34.68,
 "dimensions_mm": {
  "dia": 75.0
 },
 "properties": {
  "A": 4417.8647,
  "Ix": 1553155.5477,
  "Zx": 41417.4813,
  "Sx": 70312.5,
  "J": 3106311.0955,
  "Iy": 1553155.5477,
  "Zy": 41417.4813,
  "Sy": 70312.5,
  "rx": 18.75,
  "ry": 18.75,
  "mass_calc": 34.6802,
  "surface": 0.2356,
  "surface_t": 6.7941
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 290,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 1153062.678637879,
  "phiNt": 1153062.678637879,
  "phiMsx": 16214943.91834517,
  "phiMsy": 16214943.91834517,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/round-bar/75rnd/"
}