{
 "designation": "355.6x6.4CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 55.1,
 "dimensions_mm": {
  "do": 355.6,
  "t": 6.4
 },
 "properties": {
  "A": 7021.0826,
  "Ix": 107055361.0023,
  "Iy": 107055361.0023,
  "Zx": 602111.1417,
  "Zy": 602111.1417,
  "Sx": 780507.4773,
  "Sy": 780507.4773,
  "J": 214110722.0046,
  "C": 1204222.2835,
  "rx": 123.4816,
  "ry": 123.4816,
  "mass_calc": 55.1155,
  "surface": 1.1172,
  "surface_t": 20.275
 },
 "design_AS4100": {
  "grade": "C350L0",
  "fy": 350,
  "fu": 430,
  "kf": 1.0,
  "phiVv": 796190.7656668499,
  "phiNs": 2211641.0157412495,
  "phiNt": 2211641.0157412495,
  "phiMsx": 223552508.57178918,
  "phiMsy": 223552508.57178918,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/355-6x6-4chs/"
}