{
 "designation": "508.0x12.7CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 155.0,
 "dimensions_mm": {
  "do": 508.0,
  "t": 12.7
 },
 "properties": {
  "A": 19761.5917,
  "Ix": 606392790.1206,
  "Iy": 606392790.1206,
  "Zx": 2387373.1895,
  "Zy": 2387373.1895,
  "Sx": 3116273.3373,
  "Sy": 3116273.3373,
  "J": 1212785580.2413,
  "C": 4774746.3789,
  "rx": 175.1726,
  "ry": 175.1726,
  "mass_calc": 155.1285,
  "surface": 1.5959,
  "surface_t": 10.2963
 },
 "design_AS4100": {
  "grade": "C350L0",
  "fy": 350,
  "fu": 430,
  "kf": 1.0,
  "phiVv": 2240964.4970565927,
  "phiNs": 6224901.380712757,
  "phiNt": 6224901.380712757,
  "phiMsx": 961945797.2671864,
  "phiMsy": 961945797.2671864,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/508-0x12-7chs/"
}