{
 "designation": "20SQ",
 "type": "Square Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 3.14,
 "dimensions_mm": {
  "b": 20.0
 },
 "properties": {
  "A": 400.0,
  "Ix": 13333.3333,
  "Zx": 1333.3333,
  "Sx": 2000.0,
  "J": 22496.0,
  "Iy": 13333.3333,
  "Zy": 1333.3333,
  "Sy": 2000.0,
  "rx": 5.7735,
  "ry": 5.7735,
  "mass_calc": 3.14,
  "surface": 0.08,
  "surface_t": 25.4777
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 300,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 108000.0,
  "phiNt": 108000.0,
  "phiMsx": 540000.0,
  "phiMsy": 540000.0,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-bar/20sq/"
}