{
 "designation": "60.3x2.9CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 4.11,
 "dimensions_mm": {
  "do": 60.3,
  "t": 2.9
 },
 "properties": {
  "A": 522.9495,
  "Ix": 215923.8929,
  "Iy": 215923.8929,
  "Zx": 7161.6548,
  "Zy": 7161.6548,
  "Sx": 9562.9337,
  "Sy": 9562.9337,
  "J": 431847.7858,
  "C": 14323.3096,
  "rx": 20.3198,
  "ry": 20.3198,
  "mass_calc": 4.1052,
  "surface": 0.1894,
  "surface_t": 46.092
 },
 "design_AS4100": {
  "grade": "C350L0",
  "fy": 350,
  "fu": 430,
  "kf": 1.0,
  "phiVv": 59302.474787417545,
  "phiNs": 164729.0966317154,
  "phiNt": 164729.0966317154,
  "phiMsx": 3012324.1049999977,
  "phiMsy": 3012324.1049999977,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/60-3x2-9chs/"
}