{
 "designation": "42.4x3.2CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 3.09,
 "dimensions_mm": {
  "do": 42.4,
  "t": 3.2
 },
 "properties": {
  "A": 394.0814,
  "Ix": 76199.5761,
  "Iy": 76199.5761,
  "Zx": 3594.3196,
  "Zy": 3594.3196,
  "Sx": 4928.1707,
  "Sy": 4928.1707,
  "J": 152399.1522,
  "C": 7188.6393,
  "rx": 13.9054,
  "ry": 13.9054,
  "mass_calc": 3.0935,
  "surface": 0.1332,
  "surface_t": 43.1079
 },
 "design_AS4100": {
  "grade": "C250L0",
  "fy": 250,
  "fu": 320,
  "kf": 1.0,
  "phiVv": 31920.591979770594,
  "phiNs": 88668.31105491832,
  "phiNt": 88668.31105491832,
  "phiMsx": 1108838.3999999997,
  "phiMsy": 1108838.3999999997,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/42-4x3-2chs/"
}