{
 "designation": "508.0x6.4CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 79.2,
 "dimensions_mm": {
  "do": 508.0,
  "t": 6.4
 },
 "properties": {
  "A": 10085.2664,
  "Ix": 317236492.1374,
  "Iy": 317236492.1374,
  "Zx": 1248962.5675,
  "Zy": 1248962.5675,
  "Sx": 1610343.7653,
  "Sy": 1610343.7653,
  "J": 634472984.2748,
  "C": 2497925.1349,
  "rx": 177.3568,
  "ry": 177.3568,
  "mass_calc": 79.1693,
  "surface": 1.5959,
  "surface_t": 20.1506
 },
 "design_AS4100": {
  "grade": "C350L0",
  "fy": 350,
  "fu": 430,
  "kf": 0.8590155770006785,
  "phiVv": 982429.6661452348,
  "phiNs": 2728971.294847875,
  "phiNt": 3176858.916081936,
  "phiMsx": 407855870.34273636,
  "phiMsy": 407855870.34273636,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/508-0x6-4chs/"
}