{
 "designation": "139.7x5.0CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 16.6,
 "dimensions_mm": {
  "do": 139.7,
  "t": 5.0
 },
 "properties": {
  "A": 2115.8627,
  "Ix": 4805412.3694,
  "Iy": 4805412.3694,
  "Zx": 68796.1685,
  "Zy": 68796.1685,
  "Sx": 90762.1167,
  "Sy": 90762.1167,
  "J": 9610824.7388,
  "C": 137592.337,
  "rx": 47.6564,
  "ry": 47.6564,
  "mass_calc": 16.6095,
  "surface": 0.4389,
  "surface_t": 26.4386
 },
 "design_AS4100": {
  "grade": "C250L0",
  "fy": 250,
  "fu": 320,
  "kf": 1.0,
  "phiVv": 171384.8748276108,
  "phiNs": 476069.0967433633,
  "phiNt": 476069.0967433633,
  "phiMsx": 20421476.24999999,
  "phiMsy": 20421476.24999999,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/139-7x5-0chs/"
}