{
 "designation": "Z30030",
 "type": "Z Purlin (Lysaght Zed)",
 "standard": "AS 1397 / AS/NZS 4600",
 "mass_kg_m": 12.76,
 "dimensions_mm": {
  "d": 300.0,
  "e": 100.0,
  "f": 93.0,
  "lip": 31.0,
  "t": 3.0,
  "ri": 5.0
 },
 "properties": {
  "A": 1595.509,
  "Ix": 21347855.3644,
  "Iy": 3038951.27,
  "Zx": 142319.0358,
  "Sx": 168101.9461,
  "Sy": 41897.4299,
  "J": 4786.527,
  "xc": 96.9178,
  "Iu": 23070846.077,
  "Iv": 1315960.5574,
  "alpha": 16.3453,
  "ru": 120.2492,
  "rv": 28.7192,
  "Zy": 31355.9615,
  "rx": 115.6718,
  "ry": 43.6428,
  "mass_calc": 12.5247,
  "surface": 1.0697,
  "surface_t": 83.8307
 },
 "design_AS4100": {
  "grade": "G450",
  "fy": 450,
  "fu": 480
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/z-purlins/z30030/"
}