{
 "designation": "1200WB455",
 "type": "Welded Beam",
 "standard": "AS/NZS 3679.2",
 "mass_kg_m": 455.0,
 "dimensions_mm": {
  "d": 1200.0,
  "bf": 500.0,
  "tf": 40.0,
  "tw": 16.0
 },
 "properties": {
  "A": 57920.0,
  "Ix": 15334570666.6667,
  "Iy": 833715626.6667,
  "Zx": 25557617.7778,
  "Zy": 3334862.5067,
  "Sx": 28217600.0,
  "Sy": 5071680.0,
  "J": 22862506.6667,
  "Iw": 280461936810666.78,
  "rx": 514.5428,
  "ry": 119.9761,
  "mass_calc": 454.672,
  "surface": 4.368,
  "surface_t": 9.6
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 280,
  "fu": 430,
  "kf": 0.8367818403903089,
  "phiVv": 2709504.0,
  "phiNs": 12213533.857242487,
  "phiNt": 14595840.0,
  "phiMsx": 7110835200.000005,
  "phiMsy": 1260578027.5200005,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/welded-beams/1200wb455/"
}