{
 "designation": "Z10012",
 "type": "Z Purlin (Lysaght Zed)",
 "standard": "AS 1397 / AS/NZS 4600",
 "mass_kg_m": 2.1,
 "dimensions_mm": {
  "d": 102.0,
  "e": 53.0,
  "f": 49.0,
  "lip": 12.5,
  "t": 1.2,
  "ri": 5.0
 },
 "properties": {
  "A": 257.4985,
  "Ix": 432256.0368,
  "Iy": 155110.8232,
  "Zx": 8475.6086,
  "Sx": 9744.92,
  "Sy": 4148.9827,
  "J": 123.5993,
  "xc": 51.2947,
  "Iu": 535728.7328,
  "Iv": 51638.1271,
  "alpha": 27.5374,
  "ru": 45.6126,
  "rv": 14.1611,
  "Zy": 3023.9164,
  "rx": 40.9716,
  "ry": 24.5433,
  "mass_calc": 2.0214,
  "surface": 0.4316,
  "surface_t": 205.5094
 },
 "design_AS4100": {
  "grade": "G500",
  "fy": 500,
  "fu": 520
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/z-purlins/z10012/"
}