{
 "designation": "457.0x6.4CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 71.1,
 "dimensions_mm": {
  "do": 457.0,
  "t": 6.4
 },
 "properties": {
  "A": 9059.8506,
  "Ix": 229985801.2934,
  "Iy": 229985801.2934,
  "Zx": 1006502.4127,
  "Zy": 1006502.4127,
  "Sx": 1299545.6853,
  "Sy": 1299545.6853,
  "J": 459971602.5869,
  "C": 2013004.8253,
  "rx": 159.3272,
  "ry": 159.3272,
  "mass_calc": 71.1198,
  "surface": 1.4357,
  "surface_t": 20.1928
 },
 "design_AS4100": {
  "grade": "C350L0",
  "fy": 350,
  "fu": 430,
  "kf": 0.9056800373769741,
  "phiVv": 930483.9448259011,
  "phiNs": 2584677.624516392,
  "phiNt": 2853852.925810446,
  "phiMsx": 343463363.7393312,
  "phiMsy": 343463363.7393312,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/457-0x6-4chs/"
}