{
 "designation": "Z10019",
 "type": "Z Purlin (Lysaght Zed)",
 "standard": "AS 1397 / AS/NZS 4600",
 "mass_kg_m": 3.29,
 "dimensions_mm": {
  "d": 102.0,
  "e": 53.0,
  "f": 49.0,
  "lip": 14.5,
  "t": 1.9,
  "ri": 5.0
 },
 "properties": {
  "A": 408.8438,
  "Ix": 672821.3543,
  "Iy": 250345.3664,
  "Zx": 13192.5756,
  "Sx": 15329.9229,
  "Sy": 6722.5096,
  "J": 491.9754,
  "xc": 50.9329,
  "Iu": 840313.7161,
  "Iv": 82853.0046,
  "alpha": 28.0497,
  "ru": 45.3359,
  "rv": 14.2356,
  "Zy": 4915.2006,
  "rx": 40.5668,
  "ry": 24.7452,
  "mass_calc": 3.2094,
  "surface": 0.4342,
  "surface_t": 131.9659
 },
 "design_AS4100": {
  "grade": "G450",
  "fy": 450,
  "fu": 480
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/z-purlins/z10019/"
}