{
 "designation": "165.1x3.0CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 12.0,
 "dimensions_mm": {
  "do": 165.1,
  "t": 3.0
 },
 "properties": {
  "A": 1527.7565,
  "Ix": 5019713.2723,
  "Iy": 5019713.2723,
  "Zx": 60808.1559,
  "Zy": 60808.1559,
  "Sx": 78838.23,
  "Sy": 78838.23,
  "J": 10039426.5446,
  "C": 121616.3119,
  "rx": 57.3208,
  "ry": 57.3208,
  "mass_calc": 11.9929,
  "surface": 0.5187,
  "surface_t": 43.2231
 },
 "design_AS4100": {
  "grade": "C350L0",
  "fy": 350,
  "fu": 430,
  "kf": 1.0,
  "phiVv": 173247.5879437773,
  "phiNs": 481243.2998438258,
  "phiNt": 481243.2998438258,
  "phiMsx": 22639602.13532277,
  "phiMsy": 22639602.13532277,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/165-1x3-0chs/"
}