{
 "designation": "Z25024",
 "type": "Z Purlin (Lysaght Zed)",
 "standard": "AS 1397 / AS/NZS 4600",
 "mass_kg_m": 8.16,
 "dimensions_mm": {
  "d": 254.0,
  "e": 79.0,
  "f": 73.0,
  "lip": 21.0,
  "t": 2.4,
  "ri": 5.0
 },
 "properties": {
  "A": 1026.6038,
  "Ix": 9643176.434,
  "Iy": 1084553.2635,
  "Zx": 75930.5231,
  "Sx": 90181.21,
  "Sy": 19427.372,
  "J": 1971.0793,
  "xc": 76.5272,
  "Iu": 10235190.9063,
  "Iv": 492538.7912,
  "alpha": 14.2709,
  "ru": 99.8496,
  "rv": 21.9038,
  "Zy": 14172.1214,
  "rx": 96.9189,
  "ry": 32.503,
  "mass_calc": 8.0588,
  "surface": 0.8603,
  "surface_t": 105.4301
 },
 "design_AS4100": {
  "grade": "G450",
  "fy": 450,
  "fu": 480
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/z-purlins/z25024/"
}