{
 "designation": "88.9x4.0CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 8.38,
 "dimensions_mm": {
  "do": 88.9,
  "t": 4.0
 },
 "properties": {
  "A": 1066.8849,
  "Ix": 963398.3668,
  "Iy": 963398.3668,
  "Zx": 21673.754,
  "Zy": 21673.754,
  "Sx": 28853.3733,
  "Sy": 28853.3733,
  "J": 1926796.7337,
  "C": 43347.5081,
  "rx": 30.05,
  "ry": 30.05,
  "mass_calc": 8.375,
  "surface": 0.2793,
  "surface_t": 33.3279
 },
 "design_AS4100": {
  "grade": "C250L0",
  "fy": 250,
  "fu": 320,
  "kf": 1.0,
  "phiVv": 86417.67407788656,
  "phiNs": 240049.09466079602,
  "phiNt": 240049.09466079602,
  "phiMsx": 6492009.000000004,
  "phiMsy": 6492009.000000004,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/88-9x4-0chs/"
}