{
 "designation": "76.1x3.2CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 5.75,
 "dimensions_mm": {
  "do": 76.1,
  "t": 3.2
 },
 "properties": {
  "A": 732.8707,
  "Ix": 487785.0194,
  "Iy": 487785.0194,
  "Zx": 12819.58,
  "Zy": 12819.58,
  "Sx": 17017.0347,
  "Sy": 17017.0347,
  "J": 975570.0388,
  "C": 25639.16,
  "rx": 25.7989,
  "ry": 25.7989,
  "mass_calc": 5.753,
  "surface": 0.2391,
  "surface_t": 41.5783
 },
 "design_AS4100": {
  "grade": "C350L0",
  "fy": 350,
  "fu": 430,
  "kf": 1.0,
  "phiVv": 83107.54126161708,
  "phiNs": 230854.28128226966,
  "phiNt": 230854.28128226966,
  "phiMsx": 5360365.920000002,
  "phiMsy": 5360365.920000002,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/76-1x3-2chs/"
}