{
 "designation": "88.9x5.9CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 12.1,
 "dimensions_mm": {
  "do": 88.9,
  "t": 5.9
 },
 "properties": {
  "A": 1538.4379,
  "Ix": 1331481.484,
  "Iy": 1331481.484,
  "Zx": 29954.5891,
  "Zy": 29954.5891,
  "Sx": 40713.5597,
  "Sy": 40713.5597,
  "J": 2662962.968,
  "C": 59909.1781,
  "rx": 29.419,
  "ry": 29.419,
  "mass_calc": 12.0767,
  "surface": 0.2793,
  "surface_t": 23.0816
 },
 "design_AS4100": {
  "grade": "C250L0",
  "fy": 250,
  "fu": 320,
  "kf": 1.0,
  "phiVv": 124613.4717194966,
  "phiNs": 346148.53255415725,
  "phiNt": 346148.53255415725,
  "phiMsx": 9160550.925,
  "phiMsy": 9160550.925,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/88-9x5-9chs/"
}