{
 "designation": "26.9x4.0CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 2.26,
 "dimensions_mm": {
  "do": 26.9,
  "t": 4.0
 },
 "properties": {
  "A": 287.7699,
  "Ix": 19439.2156,
  "Iy": 19439.2156,
  "Zx": 1445.2948,
  "Zy": 1445.2948,
  "Sx": 2118.9733,
  "Sy": 2118.9733,
  "J": 38878.4312,
  "C": 2890.5897,
  "rx": 8.219,
  "ry": 8.219,
  "mass_calc": 2.259,
  "surface": 0.0845,
  "surface_t": 37.3933
 },
 "design_AS4100": {
  "grade": "C250L0",
  "fy": 250,
  "fu": 320,
  "kf": 1.0,
  "phiVv": 23309.360852574828,
  "phiNs": 64748.22459048563,
  "phiNt": 64748.22459048563,
  "phiMsx": 476768.9999999999,
  "phiMsy": 476768.9999999999,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/26-9x4-0chs/"
}