{
 "designation": "305BT56.5",
 "type": "Beam Tee (cut from UB)",
 "standard": "Cut from AS/NZS 3679.1 UB",
 "mass_kg_m": 56.5,
 "dimensions_mm": {
  "d": 303.5,
  "bf": 228.0,
  "tf": 17.3,
  "tw": 11.2,
  "r1": 14.0
 },
 "properties": {
  "A": 7233.9969,
  "Ix": 62964156.0389,
  "Iy": 17127639.5566,
  "Zx": 276800.341,
  "Zxf": 828163.8873,
  "Zy": 150242.4523,
  "Sx": 492610.6203,
  "Sy": 234540.5462,
  "yc": 76.0286,
  "J": 527536.6232,
  "rx": 93.2948,
  "ry": 48.6586,
  "mass_calc": 56.7869,
  "surface": 1.051,
  "surface_t": 18.6014
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 280,
  "fu": 440,
  "kf": 0.8190536315752424,
  "phiNs": 1493107.9116501804,
  "phiNt": 1822967.2076278634,
  "ab": 1.0
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/beam-tees/305bt56-5/"
}