{
 "designation": "55x55x5EA",
 "type": "Equal Angle",
 "standard": "AS/NZS 3679.1",
 "mass_kg_m": 3.84,
 "dimensions_mm": {
  "d": 55.0,
  "b": 55.0,
  "t": 4.6,
  "r1": 6.0,
  "r2": 3.0
 },
 "properties": {
  "A": 488.7043,
  "Ix": 138510.0877,
  "Iy": 138510.0877,
  "Zx": 3479.3965,
  "Zy": 3479.3965,
  "Sx": 6336.3874,
  "Sy": 6336.3874,
  "Iu": 219956.5936,
  "Iv": 57063.5819,
  "alpha": 45.0,
  "xc": 15.1913,
  "yc": 15.1913,
  "J": 3419.7381,
  "ru": 21.2151,
  "rv": 10.8058,
  "rx": 16.8352,
  "ry": 16.8352,
  "mass_calc": 3.8363,
  "surface": 0.2148,
  "surface_t": 55.9503
 },
 "design_AS4100": {
  "grade": "300",
  "fy": 320,
  "fu": 440,
  "kf": 1.0,
  "phiNs": 140746.8514790134,
  "phiNt": 140746.8514790134,
  "ab": 0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/equal-angles/55x55x5ea/"
}