{
 "designation": "48.3x4.0CHS",
 "type": "Circular Hollow Section",
 "standard": "AS/NZS 1163",
 "mass_kg_m": 4.37,
 "dimensions_mm": {
  "do": 48.3,
  "t": 4.0
 },
 "properties": {
  "A": 556.6902,
  "Ix": 137675.7537,
  "Iy": 137675.7537,
  "Zx": 5700.8594,
  "Zy": 5700.8594,
  "Sx": 7871.2933,
  "Sy": 7871.2933,
  "J": 275351.5075,
  "C": 11401.7187,
  "rx": 15.7261,
  "ry": 15.7261,
  "mass_calc": 4.37,
  "surface": 0.1517,
  "surface_t": 34.7229
 },
 "design_AS4100": {
  "grade": "C250L0",
  "fy": 250,
  "fu": 320,
  "kf": 1.0,
  "phiVv": 45091.90767550503,
  "phiNs": 125255.29909862508,
  "phiNt": 125255.29909862508,
  "phiMsx": 1771041.0000000002,
  "phiMsy": 1771041.0000000002,
  "ab": -0.5
 },
 "units": "mm, N, N.mm (capacities); see /notation/",
 "source": "https://steelinfo.au/circular-hollow-sections/48-3x4-0chs/"
}