{
 "designation": "55x55x6EA",
 "type": "Equal Angle",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 4.93,
 "dimensions_mm": {
  "d": 55.0,
  "b": 55.0,
  "t": 6.0,
  "r1": 6.0,
  "r2": 3.0
 },
 "properties": {
  "A": 627.8643,
  "Ix": 174892.8495,
  "Iy": 174892.8495,
  "Zx": 4457.6047,
  "Zy": 4457.6047,
  "Sx": 8104.8903,
  "Sy": 8104.8903,
  "Iu": 277526.4603,
  "Iv": 72259.2388,
  "alpha": 45.0,
  "xc": 15.7653,
  "yc": 15.7653,
  "J": 7488.0,
  "ru": 21.0242,
  "rv": 10.7279,
  "rx": 16.6899,
  "ry": 16.6899,
  "mass_calc": 4.9287,
  "surface": 0.2148,
  "surface_t": 43.5799
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 320,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 180824.93147901352,
  "phiNt": 180824.93147901352,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/equal-angles/55x55x6ea/"
}