{
 "designation": "305BT50.5",
 "type": "Beam Tee (cut from UB)",
 "standard": "Cut from AS/NZS 3679.1 UB",
 "mass_kg_m": 50.5,
 "dimensions_mm": {
  "d": 301.0,
  "bf": 228.0,
  "tf": 14.8,
  "tw": 10.6,
  "r1": 14.0
 },
 "properties": {
  "A": 6492.2769,
  "Ix": 57260046.012,
  "Iy": 14652864.6211,
  "Zx": 256613.0683,
  "Zxf": 735401.2792,
  "Zy": 128533.9002,
  "Sx": 459286.9741,
  "Sy": 201089.4251,
  "yc": 77.8623,
  "J": 359999.1184,
  "rx": 93.9133,
  "ry": 47.5076,
  "mass_calc": 50.9644,
  "surface": 1.046,
  "surface_t": 20.7125
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 300,
  "fu": 440,
  "kf": 0.7854994188748334,
  "phiNs": 1376913.5182710742,
  "phiNt": 1752914.7510298549,
  "ab": 1.0
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/beam-tees/305bt50-5/"
}