{
 "designation": "219.1x4.8CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 25.4,
 "dimensions_mm": {
  "do": 219.1,
  "t": 4.8
 },
 "properties": {
  "A": 3231.5679,
  "Ix": 18560320.1906,
  "Iy": 18560320.1906,
  "Zx": 169423.2788,
  "Zy": 169423.2788,
  "Sx": 220474.416,
  "Sy": 220474.416,
  "J": 37120640.3812,
  "C": 338846.5576,
  "rx": 75.7855,
  "ry": 75.7855,
  "mass_calc": 25.3678,
  "surface": 0.6883,
  "surface_t": 27.0993
 },
 "design_AS4100": {
  "grade": "C350L0",
  "fy": 350,
  "fu": 430,
  "kf": 1.0,
  "phiVv": 366459.7961391876,
  "phiNs": 1017943.87816441,
  "phiNt": 1017943.87816441,
  "phiMsx": 66255235.1982012,
  "phiMsy": 66255235.1982012,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/219-1x4-8chs/"
}