{
 "designation": "Z20024",
 "type": "Z Purlin (Lysaght Zed)",
 "standard": "AS 1397 / AS/NZS 4600",
 "mass_kg_m": 7.24,
 "dimensions_mm": {
  "d": 203.0,
  "e": 79.0,
  "f": 73.0,
  "lip": 21.5,
  "t": 2.4,
  "ri": 5.0
 },
 "properties": {
  "A": 906.6038,
  "Ix": 5700203.8444,
  "Iy": 1097277.0347,
  "Zx": 56159.6438,
  "Sx": 65756.0132,
  "Sy": 19530.5175,
  "J": 1740.6793,
  "xc": 76.3508,
  "Iu": 6354987.5959,
  "Iv": 442493.2832,
  "alpha": 19.4379,
  "ru": 83.7237,
  "rv": 22.0925,
  "Zy": 14371.5147,
  "rx": 79.2933,
  "ry": 34.7896,
  "mass_calc": 7.1168,
  "surface": 0.7603,
  "surface_t": 105.0151
 },
 "design_AS4100": {
  "grade": "G450",
  "fy": 450,
  "fu": 480
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/z-purlins/z20024/"
}