{
 "designation": "12SQ",
 "type": "Square Bar",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 1.13,
 "dimensions_mm": {
  "b": 12.0
 },
 "properties": {
  "A": 144.0,
  "Ix": 1728.0,
  "Zx": 288.0,
  "Sx": 432.0,
  "J": 2915.4816,
  "Iy": 1728.0,
  "Zy": 288.0,
  "Sy": 432.0,
  "rx": 3.4641,
  "ry": 3.4641,
  "mass_calc": 1.1304,
  "surface": 0.048,
  "surface_t": 42.4779
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 300,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 38880.0,
  "phiNt": 38880.0,
  "phiMsx": 116640.0,
  "phiMsy": 116640.0,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/square-bar/12sq/"
}