{
 "designation": "Z25019",
 "type": "Z Purlin (Lysaght Zed)",
 "standard": "AS 1397 / AS/NZS 4600",
 "mass_kg_m": 6.5,
 "dimensions_mm": {
  "d": 254.0,
  "e": 79.0,
  "f": 74.0,
  "lip": 18.0,
  "t": 1.9,
  "ri": 5.0
 },
 "properties": {
  "A": 807.8438,
  "Ix": 7623002.1096,
  "Iy": 832580.4182,
  "Zx": 60023.6387,
  "Sx": 71059.3975,
  "Sy": 14914.9086,
  "J": 972.1054,
  "xc": 77.0023,
  "Iu": 8074951.3015,
  "Iv": 380631.2263,
  "alpha": 14.0258,
  "ru": 99.9784,
  "rv": 21.7064,
  "Zy": 10812.4144,
  "rx": 97.1403,
  "ry": 32.1033,
  "mass_calc": 6.3416,
  "surface": 0.8542,
  "surface_t": 131.4104
 },
 "design_AS4100": {
  "grade": "G450",
  "fy": 450,
  "fu": 480
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/z-purlins/z25019/"
}