{
 "designation": "75SQ",
 "type": "Square Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 44.16,
 "dimensions_mm": {
  "b": 75.0
 },
 "properties": {
  "A": 5625.0,
  "Ix": 2636718.75,
  "Zx": 70312.5,
  "Sx": 105468.75,
  "J": 4448671.875,
  "Iy": 2636718.75,
  "Zy": 70312.5,
  "Sy": 105468.75,
  "rx": 21.6506,
  "ry": 21.6506,
  "mass_calc": 44.1562,
  "surface": 0.3,
  "surface_t": 6.7935
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 290,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 1468125.0,
  "phiNt": 1468125.0,
  "phiMsx": 27527343.75,
  "phiMsy": 27527343.75,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-bar/75sq/"
}