{
 "designation": "76.1x5.9CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 10.2,
 "dimensions_mm": {
  "do": 76.1,
  "t": 5.9
 },
 "properties": {
  "A": 1301.1848,
  "Ix": 807198.1512,
  "Iy": 807198.1512,
  "Zx": 21214.1433,
  "Zy": 21214.1433,
  "Sx": 29143.8957,
  "Sy": 29143.8957,
  "J": 1614396.3023,
  "C": 42428.2865,
  "rx": 24.907,
  "ry": 24.907,
  "mass_calc": 10.2143,
  "surface": 0.2391,
  "surface_t": 23.4387
 },
 "design_AS4100": {
  "grade": "C250L0",
  "fy": 250,
  "fu": 320,
  "kf": 1.0,
  "phiVv": 105395.97246636942,
  "phiNs": 292766.5901843595,
  "phiNt": 292766.5901843595,
  "phiMsx": 6557376.5249999985,
  "phiMsy": 6557376.5249999985,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/76-1x5-9chs/"
}