{
 "designation": "155BT23.1",
 "type": "Beam Tee (cut from UB)",
 "standard": "Cut from AS/NZS 3679.1 UB",
 "mass_kg_m": 23.1,
 "dimensions_mm": {
  "d": 153.5,
  "bf": 166.0,
  "tf": 11.8,
  "tw": 6.7,
  "r1": 11.4
 },
 "properties": {
  "A": 2963.9911,
  "Ix": 5393410.9718,
  "Iy": 4503804.9112,
  "Zx": 43899.7876,
  "Zxf": 176009.8614,
  "Zy": 54262.7098,
  "Sx": 77593.7952,
  "Sy": 83209.4887,
  "yc": 30.6427,
  "J": 105120.4764,
  "rx": 42.6573,
  "ry": 38.9809,
  "mass_calc": 23.2673,
  "surface": 0.6292,
  "surface_t": 27.2387
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 300,
  "fu": 440,
  "kf": 0.9009006541566706,
  "phiNs": 720970.6222632747,
  "phiNt": 800277.6098971448,
  "ab": 1.0
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/beam-tees/155bt23-1/"
}