{
 "designation": "60.3x5.4CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 7.31,
 "dimensions_mm": {
  "do": 60.3,
  "t": 5.4
 },
 "properties": {
  "A": 931.3566,
  "Ix": 354284.5421,
  "Iy": 354284.5421,
  "Zx": 11750.7311,
  "Zy": 11750.7311,
  "Sx": 16328.142,
  "Sy": 16328.142,
  "J": 708569.0842,
  "C": 23501.4622,
  "rx": 19.5037,
  "ry": 19.5037,
  "mass_calc": 7.3111,
  "surface": 0.1894,
  "surface_t": 25.9149
 },
 "design_AS4100": {
  "grade": "C250L0",
  "fy": 250,
  "fu": 320,
  "kf": 1.0,
  "phiVv": 75439.88120474161,
  "phiNs": 209555.22556872672,
  "phiNt": 209555.22556872672,
  "phiMsx": 3673831.9499999983,
  "phiMsy": 3673831.9499999983,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/60-3x5-4chs/"
}